TENNANT CO, 10-Q filed on 11/4/2025
Quarterly Report
v3.25.3
Cover - shares
 9 Months Ended
Sep. 30, 2025
Oct. 31, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2025  
Document Transition Report false  
Entity File Number 1-16191  
Entity Registrant Name TENNANT CO  
Entity Incorporation, State or Country Code MN  
Entity Tax Identification Number 41-0572550  
Entity Address, Address Line One 10400 Clean Street  
Entity Address, City or Town Eden Prairie  
Entity Address, State or Province MN  
Entity Address, Postal Zip Code 55344  
City Area Code 763  
Local Phone Number 540-1200  
Title of 12(b) Security Common Stock, par value $0.375 per share  
Trading Symbol TNC  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   18,125,969
Entity Central Index Key 0000097134  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false  
v3.25.3
CONSOLIDATED STATEMENTS OF INCOME - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Income Statement [Abstract]        
Net sales $ 303.3 $ 315.8 $ 911.9 $ 957.8
Cost of sales 173.9 182.0 528.4 543.8
Gross profit 129.4 133.8 383.5 414.0
Selling and administrative expense 96.6 92.7 281.0 275.5
Research and development expense 10.5 10.5 30.0 31.8
Operating income 22.3 30.6 72.5 106.7
Interest expense, net (2.4) (2.7) (6.9) (7.5)
Net foreign currency transaction (loss) gain 0.0 (0.4) (1.0) 0.1
Other (expense) income, net (0.5) 0.0 (0.7) 0.2
Income before income taxes 19.4 27.5 63.9 99.5
Income tax expense 4.5 6.7 15.7 22.4
Net income $ 14.9 $ 20.8 $ 48.2 $ 77.1
Net income per share        
Basic (in dollars per share) $ 0.81 $ 1.11 $ 2.60 $ 4.10
Diluted (in dollars per share) $ 0.80 $ 1.09 $ 2.57 $ 4.03
Weighted average shares outstanding        
Basic (in shares) 18,314,488 18,810,267 18,507,222 18,790,824
Diluted (in shares) 18,547,724 19,093,873 18,722,253 19,120,455
v3.25.3
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Statement of Comprehensive Income [Abstract]        
Net income $ 14.9 $ 20.8 $ 48.2 $ 77.1
Other comprehensive income (loss):        
Foreign currency translation adjustments (net of related tax benefit of $0.0, $0.5, $1.9 and $0.4, respectively) (0.7) 12.9 38.6 (2.4)
Pension and postretirement medical benefits (net of related tax expense of $0, $0, $0 and $0, respectively) 0.0 (0.2) 0.0 (0.2)
Derivative financial instruments (net of related tax (expense) benefit of $(0.1), $0.5, $0.0 and $0.1, respectively) 0.2 (1.7) 0.0 (0.4)
Total other comprehensive (loss) income, net of tax (0.5) 11.0 38.6 (3.0)
Total comprehensive income including noncontrolling interest 14.4 31.8 86.8 74.1
Foreign currency translation adjustments attributable to noncontrolling interest 0.0 0.0 0.5 0.0
Comprehensive income attributable to Tennant Company $ 14.4 $ 31.8 $ 86.3 $ 74.1
v3.25.3
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parentheticals) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Statement of Comprehensive Income [Abstract]        
Foreign currency translation adjustments tax benefit (expense) $ (0.0) $ 0.5 $ 1.9 $ 0.4
Pension and postretirement medical benefits, tax expense 0.0 0.0 0.0 0.0
Cash flow hedge tax benefit (expense) $ (0.1) $ 0.5 $ (0.0) $ 0.1
v3.25.3
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
ASSETS    
Cash and cash equivalents $ 99.4 $ 99.8
Receivables, less allowances of $8.1 and $7.1, respectively 249.3 259.1
Inventories 205.9 183.8
Prepaid and other current assets 43.7 33.9
Total current assets 598.3 576.6
Property, plant and equipment, less accumulated depreciation of $351.2 and $310.9, respectively 192.1 184.4
Operating lease assets 54.7 54.6
Goodwill 208.3 185.6
Intangible assets, net 55.9 58.7
Other assets 147.6 130.2
Total assets 1,256.9 1,190.1
LIABILITIES AND EQUITY    
Current portion of long-term debt 0.4 1.3
Accounts payable 110.6 126.9
Employee compensation and benefits 48.9 53.1
Other current liabilities 121.6 110.9
Total current liabilities 281.5 292.2
Long-term debt 238.3 198.2
Long-term operating lease liabilities 34.3 36.3
Employee benefits 14.9 13.5
Deferred income taxes 1.2 4.9
Other liabilities 44.0 22.9
Total long-term liabilities 332.7 275.8
Total liabilities 614.2 568.0
Commitments and contingencies (Note 12)
Common Stock, $0.375 par value; 60,000,000 shares authorized; 18,259,632 and 18,849,456 shares issued and outstanding, respectively 6.9 7.1
Additional paid-in capital 26.6 76.7
Retained earnings 641.5 609.7
Accumulated other comprehensive loss (34.1) (72.7)
Total Tennant Company shareholders' equity 640.9 620.8
Noncontrolling interest 1.8 1.3
Total equity 642.7 622.1
Total liabilities and total equity $ 1,256.9 $ 1,190.1
v3.25.3
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Statement of Financial Position [Abstract]    
Allowance for credit loss $ 8.1 $ 7.1
Accumulated depreciation $ 351.2 $ 310.9
Common stock, par value (in dollars per share) $ 0.375 $ 0.375
Common stock, shares authorized (in shares) 60,000,000 60,000,000
Common stock, shares issued (in shares) 18,259,632 18,849,456
Common stock, shares outstanding (in shares) 18,259,632 18,849,456
v3.25.3
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
OPERATING ACTIVITIES    
Net income $ 48.2 $ 77.1
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation expense 33.2 29.6
Amortization expense 10.2 11.4
Deferred income tax benefit 10.1 (1.8)
Share-based compensation expense 8.6 9.4
Bad debt and returns expense 4.4 1.8
Other, net 0.5 0.5
Changes in operating assets and liabilities:    
Receivables 11.5 (12.3)
Inventories (24.3) (35.7)
Accounts payable (16.1) 17.9
Employee compensation and benefits (6.8) (8.1)
Other assets and liabilities (28.7) (37.6)
Net cash provided by operating activities 50.8 52.2
INVESTING ACTIVITIES    
Purchases of property, plant and equipment (17.2) (11.5)
Proceeds from sale of property, plant and equipment 1.5 0.0
Purchase of investment 0.0 (32.1)
Payments made in connection with business acquisition, net of cash acquired (3.2) (25.7)
Investment in leased assets (0.3) (0.4)
Cash received from leased assets 0.9 0.6
Net cash used in investing activities (18.3) (69.1)
FINANCING ACTIVITIES    
Proceeds from borrowings 40.0 40.0
Repayments of borrowings (0.8) (32.5)
Payment of debt financing costs 0.0 2.2
(Repurchases) proceeds from exercise of stock options, net of employee tax withholdings obligations of $3.0 and $3.8, respectively (2.5) 19.6
Repurchases of common stock (56.3) (17.1)
Dividends paid (16.4) (15.9)
Net cash (used in) provided by financing activities (36.0) (8.1)
Effect of exchange rate changes on cash and cash equivalents 3.1 (0.8)
Net decrease in cash and cash equivalents (0.4) (25.8)
Cash and cash equivalents at beginning of period 99.8 117.1
Cash and cash equivalents at end of period 99.4 91.3
SUPPLEMENTAL CASH FLOW INFORMATION    
Cash paid for income taxes 11.2 27.9
Cash paid for interest 9.0 11.3
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows from operating leases 18.2 15.1
Financing cash flows from financing leases 0.1 0.1
Lease assets obtained in exchange for new operating lease liabilities 12.8 24.0
Lease assets obtained in exchange for new financing lease liabilities 0.1 1.0
Supplemental non-cash investing and financing activities:    
Capital expenditures in accounts payable $ 0.8 $ 1.6
v3.25.3
CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Statement of Cash Flows [Abstract]    
Employee tax withholdings obligations $ 3.0 $ 3.8
v3.25.3
CONSOLIDATED STATEMENTS OF EQUITY - USD ($)
$ in Millions
Total
Tennant Company Shareholders' Equity
Common Stock
Additional Paid-in Capital
Retained Earnings
Accumulated Other Comprehensive Loss
Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2023     18,631,384        
Beginning balance at Dec. 31, 2023 $ 578.3 $ 577.0 $ 7.0 $ 64.9 $ 547.4 $ (42.3) $ 1.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income 28.4 28.4     28.4    
Other comprehensive income (7.2) (7.2)       (7.2)  
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (in shares)     388,179        
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings 19.6 19.6 $ 0.1 19.5      
Share-based compensation 3.2 3.2   3.2      
Repurchases of common stock (in shares)     (12,725)        
Repurchases of common stock (1.1) (1.1)   (1.1)      
Dividends paid per common share (5.3) (5.3)     (5.3)    
Ending balance (in shares) at Mar. 31, 2024     19,006,838        
Ending balance at Mar. 31, 2024 615.9 614.6 $ 7.1 86.5 570.5 (49.5) 1.3
Beginning balance (in shares) at Dec. 31, 2023     18,631,384        
Beginning balance at Dec. 31, 2023 578.3 577.0 $ 7.0 64.9 547.4 (42.3) 1.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income 77.1            
Ending balance (in shares) at Sep. 30, 2024     18,872,792        
Ending balance at Sep. 30, 2024 648.5 647.2 $ 7.1 76.8 608.6 (45.3) 1.3
Beginning balance (in shares) at Mar. 31, 2024     19,006,838        
Beginning balance at Mar. 31, 2024 615.9 614.6 $ 7.1 86.5 570.5 (49.5) 1.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income 27.9 27.9     27.9    
Other comprehensive income (6.8) (6.8)       (6.8)  
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (in shares)     21,337        
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings 0.1 0.1   0.1      
Share-based compensation 2.1 2.1   2.1      
Repurchases of common stock (in shares)     (77,514)        
Repurchases of common stock (8.0) (8.0)   (8.0)      
Dividends paid per common share (5.3) (5.3)     (5.3)    
Ending balance (in shares) at Jun. 30, 2024     18,950,661        
Ending balance at Jun. 30, 2024 625.9 624.6 $ 7.1 80.7 593.1 (56.3) 1.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income 20.8 20.8     20.8    
Other comprehensive income 11.0 11.0       11.0  
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (in shares)     2,246        
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings 0.0            
Share-based compensation 4.1 4.1   4.1      
Repurchases of common stock (in shares)     (80,115)        
Repurchases of common stock (8.0) (8.0)   (8.0)      
Dividends paid per common share (5.3) (5.3)     (5.3)    
Ending balance (in shares) at Sep. 30, 2024     18,872,792        
Ending balance at Sep. 30, 2024 $ 648.5 647.2 $ 7.1 76.8 608.6 (45.3) 1.3
Beginning balance (in shares) at Dec. 31, 2024 18,849,456   18,849,456        
Beginning balance at Dec. 31, 2024 $ 622.1 620.8 $ 7.1 76.7 609.7 (72.7) 1.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income 13.1 13.1     13.1    
Other comprehensive income 15.3 15.3       15.3  
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (in shares)     89,695        
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (2.2) (2.2) $ (0.1) (2.1)      
Share-based compensation 3.2 3.2   3.2      
Repurchases of common stock (in shares)     (235,866)        
Repurchases of common stock (20.2) (20.2)   (20.2)      
Dividends paid per common share (5.6) (5.6)     (5.6)    
Other 0.4           0.4
Ending balance (in shares) at Mar. 31, 2025     18,703,285        
Ending balance at Mar. 31, 2025 $ 626.1 624.4 $ 7.0 57.6 617.2 (57.4) 1.7
Beginning balance (in shares) at Dec. 31, 2024 18,849,456   18,849,456        
Beginning balance at Dec. 31, 2024 $ 622.1 620.8 $ 7.1 76.7 609.7 (72.7) 1.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income $ 48.2            
Ending balance (in shares) at Sep. 30, 2025 18,259,632   18,259,632        
Ending balance at Sep. 30, 2025 $ 642.7 640.9 $ 6.9 26.6 641.5 (34.1) 1.8
Beginning balance (in shares) at Mar. 31, 2025     18,703,285        
Beginning balance at Mar. 31, 2025 626.1 624.4 $ 7.0 57.6 617.2 (57.4) 1.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income 20.2 20.2     20.2    
Other comprehensive income 23.8 23.8       23.8  
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (in shares)     8,865        
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (0.3) (0.3)   (0.3)      
Share-based compensation 2.6 2.6   2.6      
Repurchases of common stock (in shares)     (179,824)        
Repurchases of common stock (13.4) (13.4)   (13.4)      
Dividends paid per common share (5.4) (5.4)     (5.4)    
Other 0.1           0.1
Ending balance (in shares) at Jun. 30, 2025     18,532,326        
Ending balance at Jun. 30, 2025 653.7 651.9 $ 7.0 46.5 632.0 (33.6) 1.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income 14.9 14.9     14.9    
Other comprehensive income (0.5) (0.5)       (0.5)  
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (in shares)     2,837        
Issue stock for directors, employee benefit and stock plans, net of related tax withholdings (0.1)            
Share-based compensation 2.8            
Repurchases of common stock (in shares)     (275,531)        
Repurchases of common stock (22.7)            
Dividends paid per common share (5.4)            
Other $ 0.0            
Ending balance (in shares) at Sep. 30, 2025 18,259,632   18,259,632        
Ending balance at Sep. 30, 2025 $ 642.7 $ 640.9 $ 6.9 $ 26.6 $ 641.5 $ (34.1) $ 1.8
v3.25.3
CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares
 3 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Statement of Stockholders' Equity [Abstract]          
Shares withheld for taxes (in shares) 3,925 29,497 1,026 5,132 27,808
Dividends paid per common share (in dollars per share) $ 0.295 $ 0.295 $ 0.280 $ 0.280 $ 0.280
v3.25.3
Summary of Significant Accounting Policies
 9 Months Ended
Sep. 30, 2025
Accounting Policies [Abstract]  
Summary of Significant Accounting Policies Summary of Significant Accounting Policies
Tennant Company ("the Company", "we", "us", or "our") is a world leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. The Company is committed to creating and commercializing breakthrough, sustainable cleaning innovations to enhance its broad suite of products, including floor maintenance and cleaning equipment, detergent-free and other sustainable cleaning technologies, aftermarket parts and consumables, equipment maintenance and repair service, and asset management solutions.
Our products are used in many types of environments, including factories and warehouses, distribution centers, office buildings, public venues such as arenas and stadiums, schools and universities, hospitals and clinics, and more.
Customers include contract cleaners to whom organizations outsource facilities maintenance as well as businesses that perform facilities maintenance themselves. The Company reaches these customers through the industry's largest direct sales and service organization and through a strong and well-supported network of authorized distributors worldwide.
Basis of Presentation – The accompanying unaudited consolidated financial statements have been prepared in accordance with the U.S. Securities and Exchange Commission (“SEC”) requirements for interim reporting. In our opinion, the consolidated financial statements contain all adjustments (consisting of only normal recurring adjustments) necessary for the fair presentation of our financial position and results of operations.
These statements should be read in conjunction with the consolidated financial statements and notes included in our annual report on Form 10-K for the year ended December 31, 2024. The results of operations for interim periods are not necessarily indicative of the results to be expected for the full year.
Reclassification – Certain prior period amounts have been reclassified to conform to the current period presentation (e.g. payroll tax accruals are now classified from Employee Compensation and Benefits to Other Current Liabilities).
These reclassifications had no effect on previously reported results of operations, total assets, total liabilities or stockholders' equity.
v3.25.3
Newly Adopted Accounting Pronouncements
 9 Months Ended
Sep. 30, 2025
Accounting Policies [Abstract]  
Newly Adopted Accounting Pronouncements Newly Adopted Accounting Pronouncements
Segment Reporting
In November 2023, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update (“ASU”) 2023-07, Improvements to Reportable Segment Disclosures (“ASU 2023-07”), which amends the existing segment reporting guidance (ASC Topic 280 — Segment Reporting (“ASC 280”)) to improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses that are regularly provided to the chief operating decision maker (“CODM”) and included within each reported measure of segment profit or loss, an amount for other segment items by reportable segment and a description of its composition, the title and position of the CODM and an explanation of how the CODM uses the reported measure(s) of segment profit or loss in assessing segment performance and deciding how to allocate resources. We have adopted the new standard effective December 31, 2024. While the adoption has no impact on our consolidated financial statements, it has resulted in incremental disclosures within the footnotes to our consolidated financial statements. Refer to Note 17, Segment Reporting, for the inclusion of the new required disclosures.
v3.25.3
Revenue
 9 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
Disaggregation of Revenue
The following tables illustrate the disaggregation of revenue by geographic area, groups of similar products and services and sales channels:
Net sales by geographic area
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Americas$203.6 $218.7 $614.4 $662.1 
Europe, Middle East and Africa80.5 76.3 241.2 234.6 
Asia Pacific19.2 20.8 56.3 61.1 
Total$303.3 $315.8 $911.9 $957.8 
Net sales are attributed to each geographic area based on the end-user country and are net of intercompany sales.
Net sales by groups of similar products and services
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Equipment$179.4 $196.6 $549.2 $597.1 
Parts and consumables69.7 68.0 206.5 207.5 
Service and other54.2 51.2 156.2 153.2 
Total$303.3 $315.8 $911.9 $957.8 
Net sales by sales channel
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Sales direct to consumer$212.3 $222.6 $633.9 $673.7 
Sales to distributors91.0 93.2 278.0 284.1 
Total$303.3 $315.8 $911.9 $957.8 
Contract Liabilities
Sales Returns
The right of return may exist explicitly or implicitly with our customers. When the right of return exists, we adjust the transaction price for the estimated effect of returns. We estimate the expected returns using the expected value method by assessing historical sales levels and the timing and magnitude of historical sales return levels as a percent of sales and projecting this experience into the future.
Sales Incentives
Our sales contracts may contain various customer incentives, such as volume-based rebates or other promotions. We reduce the transaction price for certain customer programs and incentive offerings that represent variable consideration. Sales incentives given to our customers are recorded using the most likely amount approach for estimating the amount of consideration to which the Company will be entitled. We forecast the most likely amount of the incentive to be paid at the time of sale, update this forecast quarterly, and adjust the transaction price accordingly to reflect the new amount of incentives expected to be earned by the customer. A majority of our customer incentives are settled within one year. We record our accruals for volume-based rebates and other promotions in other current liabilities on our consolidated balance sheets.
The change in our sales incentive accrual balance was as follows:
Nine Months Ended
September 30,
20252024
Beginning balance$15.6 $21.2 
Additions to sales incentive accrual18.4 20.5 
Contract payments(17.3)(20.9)
Foreign currency fluctuations0.7 0.1 
Ending balance$17.4 $20.9 
Deferred Revenue
We sell separately priced prepaid contracts to our customers where we receive payment at the inception of the contract and defer recognition of the consideration received because we have to satisfy future performance obligations. Our deferred revenue balance includes autonomous subscription sales and prepaid maintenance contracts on our machines ranging from 12 months to 60 months. In circumstances where prepaid contracts are bundled with machines, we use an observable price to determine stand-alone selling price for separate performance obligations.
The change in the deferred revenue balance was as follows:
Nine Months Ended
September 30,
20252024
Beginning balance$20.6 $10.3 
Increase in deferred revenue representing our obligation to satisfy future performance obligations21.9 21.8 
Decrease in deferred revenue for amounts recognized in net sales for satisfied performance obligations(15.6)(15.3)
Foreign currency fluctuations0.6 (0.5)
Ending balance$27.5 $16.3 
As of September 30, 2025, $13.6 million and $13.9 million of deferred revenue was reported in other current liabilities and other liabilities, respectively, on our consolidated balance sheets. Of these amounts, we expect to recognize the following approximate amounts in net sales in the following periods:
Remaining 2025
$7.2 
20267.7 
20275.9 
20283.7 
20292.5 
Thereafter0.5 
Total$27.5 
As of December 31, 2024, $9.8 million and $10.8 million of deferred revenue was reported in other current liabilities and other liabilities, respectively, on our consolidated balance sheets.
v3.25.3
Management Actions
 9 Months Ended
Sep. 30, 2025
Restructuring and Related Activities [Abstract]  
Management Actions Management Actions
Restructuring Actions
During the three and nine months ended September 30, 2025, we incurred restructuring expenses as part of our ongoing global reorganization efforts. The following pre-tax restructuring charges were included in selling and administrative expense in the consolidated statements of income.
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Severance-related costs$1.3 $— $2.5 $0.6 
Total pre-tax restructuring costs$1.3 $— $2.5 $0.6 
Our restructuring actions represent the continued execution of a multi-year enterprise strategy to drive increased productivity throughout our operations. The charges in 2025 impacted all operating segments and were related to a global workforce realignment to support our key strategic initiatives.
A reconciliation of the beginning and ending liability balances for severance-related costs is as follows:
Nine Months Ended
September 30,
20252024
Beginning balance$8.6 $2.4 
New charges4.1 1.2 
Cash payments(5.5)(1.3)
Foreign currency fluctuations0.1 (0.1)
Adjustments to accrual(1.6)(0.6)
Ending balance$5.7 $1.6 
v3.25.3
Acquisitions
 9 Months Ended
Sep. 30, 2025
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]  
Acquisitions Acquisitions
R4Y
On September 1, 2025, we acquired 100% of Reinigungstechnik 4 You GmbH ("R4Y"), as we continue to expand our footprint in the EMEA region. The total purchase price was $3.6 million. The financial results for R4Y
have been included in our consolidated financial statements since the acquisition date. The acquisition was not material to our consolidated financial statements.
TCS
On February 29, 2024, we acquired 100% of M&F Management and Financing GmbH ("M&F"), the parent company of TCS EMEA GmbH ("TCS"), as we seek to accelerate growth in the EMEA region. The total purchase price of the acquisition was $34.9 million.
Based in Austria, TCS was Tennant Company's largest Central and Eastern Europe distributor. The acquisition gives Tennant a knowledgeable and experienced sales force and an established direct channel into countries including Romania, Hungary, Czech Republic, and Slovakia, along with an expanded network in Austria, Switzerland, Poland, and other nations in the region, as well as the Middle East and Africa. The pro forma impact of this acquisition is immaterial to our operations.
For more information, refer to Note 5, Acquisitions and Divestitures, to the Consolidated Financial Statements in the Company’s Form 10-K for the year ended December 31, 2024.
v3.25.3
Inventories
 9 Months Ended
Sep. 30, 2025
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are valued at the lower of cost or net realizable value and consisted of the following:
September 30,
2025		December 31,
2024
Inventories carried at LIFO:
Finished goods(a)
$85.5 $85.4 
Raw materials and work-in-process35.6 38.4 
Excess of FIFO over LIFO cost(b)
(49.9)(50.4)
Total LIFO inventories$71.2 $73.4 
Inventories carried at FIFO:
Finished goods(a)
$62.7 $53.2 
Raw materials and work-in-process72.0 57.2 
Total FIFO inventories$134.7 $110.4 
Total inventories$205.9 $183.8 
(a)Finished goods include machines, parts and consumables and component parts that are used in our products.
(b)The difference between replacement cost and the stated LIFO inventory value is not materially different from the reserve for the LIFO valuation method.
v3.25.3
Goodwill and Intangible Assets
 9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
The changes in the carrying amount of goodwill for the nine months ended September 30, 2025 were as follows:
Goodwill
Accumulated
Impairment
Losses
Total
Balance as of December 31, 2024
$218.1 $(32.5)$185.6 
Additions1.4 — 1.4 
Foreign currency fluctuations24.1 (2.8)21.3 
Balance as of September 30, 2025
$243.6 $(35.3)$208.3 
The balances of acquired intangible assets, excluding goodwill, were as follows:
Customer ListsTrade NamesTechnologyTotal
Balance as of September 30, 2025
Original cost$174.4 $31.0 $16.5 $221.9 
Accumulated amortization(125.3)(25.8)(14.9)(166.0)
Carrying value$49.1 $5.2 $1.6 $55.9 
Weighted average original life (in years)151111
Balance as of December 31, 2024
Original cost$154.6 $27.6 $15.2 $197.4 
Accumulated amortization(104.9)(20.8)(13.0)(138.7)
Carrying value$49.7 $6.8 $2.2 $58.7 
Weighted average original life (in years)151111
Amortization expense on intangible assets for the three and nine months ended September 30, 2025 was $3.4 million and $10.2 million, respectively. Amortization expense on intangible assets for the three and nine months ended September 30, 2024 was $3.6 million and $11.4 million, respectively.
Estimated aggregate amortization expense based on the current carrying value of amortizable intangible assets for each of the five succeeding years and thereafter is as follows:
Remaining 2025
$3.8 
202612.8 
20279.2 
20287.4 
20296.7 
Thereafter16.0 
Total$55.9 
v3.25.3
Debt
 9 Months Ended
Sep. 30, 2025
Debt Disclosure [Abstract]  
Debt Debt
On April 5, 2021, we and certain of our foreign subsidiaries entered into an Amended and Restated Credit Agreement (the “2021 Credit Agreement”). The 2021 Credit Agreement provides us and certain of our foreign subsidiaries access to a senior secured credit facility until April 3, 2026, consisting of a term loan facility in an amount up to $100.0 million and a revolving facility in an amount up to $450.0 million with an option to expand the credit facility by up to $275.0 million, with the consent of the lenders willing to provide additional borrowings in the form of increases to their revolving facility commitment or funding of incremental term loans. Borrowings may be denominated in U.S. dollars or certain other currencies.
On November 10, 2022, we amended the 2021 Credit Agreement (the "Amendment") to update the benchmark provisions to replace LIBOR with Term SOFR (as defined in the Amendment) as the reference rate for purposes of calculating interest under the 2021 Credit Agreement. Pursuant to the Amendment, borrowings denominated in U.S. dollars bear interest at a rate per annum equal to (a) the Term SOFR Rate (as defined in the Amendment) plus a credit spread adjustment of 0.10% per annum, but in any case, not less than 0%, plus an additional spread of 1.10% to 1.70%, depending on our leverage ratio, or (b) the Alternate Base Rate (as defined in the Amendment), which is the greatest of (i) the prime rate, (ii) the federal funds rate plus 0.50% and (iii) the adjusted Term SOFR Rate for a one month period, but in any case, not less than 1.0%, plus, in any such case, 1.0%, plus an additional spread of 0.10% to 0.70%, depending on our leverage ratio. All other material terms included in the 2021 Credit Agreement remain unchanged as a result of the Amendment.
On August 7, 2024, we and certain of our foreign subsidiaries entered into an Amended and Restated Credit Agreement (the "2024 Credit Agreement"), which amends and restates the 2021 Credit Agreement as amended by the Amendment. The 2024 Credit Agreement provides us and certain of our foreign subsidiaries access to a senior secured credit facility until August 7, 2029, consisting of a revolving facility in an amount up to $650.0 million, with an option to expand the revolving facility or obtain incremental term loans by up to $325.0 million, with the consent of the lenders willing to provide additional borrowings in the form of increases to their revolving facility commitment or funding of incremental term loans. Borrowings may be denominated in U.S. dollars or certain other currencies.
The fee for undrawn committed funds under the revolving facility of the 2024 Credit Agreement ranges from an annual rate of 0.15% to 0.30%, depending on our leverage ratio. Borrowings denominated in U.S. dollars under the 2024 Credit Agreement bear interest at a rate per annum equal to (a) the greatest of (i) the prime rate, (ii) the NYFRB Rate (as defined in the 2024 Credit Agreement) plus 0.50% and (iii) the Adjusted Term SOFR Rate (as defined in the 2024 Credit Agreement) for a one month period plus 1%; but in any case not less than 1%, plus an additional spread of 0.25% to 1%, depending on our leverage ratio, (b) the Adjusted Term SOFR Rate plus an additional spread of 1.25% to 2%, depending on our leverage ratio, or (c) the Adjusted Daily Simple RFR (as defined in the 2024 Credit Agreement) plus an additional spread of 1.25% to 2%, depending on our leverage ratio.
In connection with the 2024 Credit Agreement, we reaffirmed our security interest in favor of the lenders in substantially all its personal property and pledged the stock of certain of its domestic and foreign subsidiaries. The obligations under the 2024 Credit Agreement are also guaranteed by certain of the Company’s subsidiaries and those subsidiaries also provided a security interest in their similar personal property.
The 2024 Credit Agreement contains customary representations, warranties and covenants, including but not limited to covenants restricting the Company’s ability to incur indebtedness and liens and merge or consolidate with another entity. Further, the 2024 Credit Agreement contains the following covenants:
•a covenant requiring us to maintain an indebtedness to EBITDA ratio, determined as of the end of each of its fiscal quarters, of no greater than 3.75 to 1.00, with certain alternative requirements for permitted acquisitions of at least $50.0 million;
•a covenant requiring us to maintain an EBITDA to interest expense ratio for a period of four consecutive fiscal quarters as of the end of each quarter of no less than 3.00 to 1; and
•a covenant restricting us from paying dividends or repurchasing stock if, after giving effect to such payments and assuming no default exists or would result from such payment, our leverage ratio is greater than 2.50 to 1, in such case limiting such payments to the greater of 10% of consolidated total assets and $100.0 million during any fiscal year.
We were in compliance with the above financial covenants as of September 30, 2025.
Debt Outstanding
Debt outstanding consisted of the following:
September 30, 2025December 31, 2024
Credit facility borrowings:
Revolving credit facility borrowings$237.5 $197.5 
Finance lease liabilities1.2 1.2 
Bank overdrafts— 0.8 
Total debt238.7 199.5 
Less: current portion of long-term debt(a)
(0.4)(1.3)
Long-term debt$238.3 $198.2 
(a)As of September 30, 2025, the Company was required to repay $0.4 million of finance lease liabilities, and no amounts in outstanding credit facility borrowings, over the next 12 months.
As of September 30, 2025, we had outstanding borrowings of $237.5 million under our revolving credit facility. We had letters of credit and bank guarantees outstanding in the amount of $3.2 million, leaving approximately $409.3 million of unused borrowing capacity on our revolving facility. Commitment fees on unused lines of credit for the nine months ended September 30, 2025 were $0.5 million. The overall weighted average cost of debt was approximately 5.7% and net of related cross-currency swap instruments and fixed rate interest rate swap instruments was approximately 4.5%. Further details regarding the cross-currency swap instrument and fixed rate interest rate swap instrument are discussed in Note 10.
v3.25.3
Warranty
 9 Months Ended
Sep. 30, 2025
Guarantees [Abstract]  
Warranty Warranty
We record a liability for warranty claims at the time of sale. The amount of the liability is based on the trend in the historical ratio of claims to sales, the historical length of time between the sale and resulting warranty claim, new product introductions and other factors. Warranty terms on machines generally range from one to four years. The majority of the liability for estimated warranty claims represents amounts to be paid out in the near term for qualified warranty issues.
The changes in warranty reserves were as follows:
Nine Months Ended
September 30,
20252024
Beginning balance$10.5 $11.1 
Additions charged to expense4.6 7.9 
Foreign currency fluctuations0.2 — 
Claims paid(5.1)(8.3)
Ending balance$10.2 $10.7 
v3.25.3
Derivatives
 9 Months Ended
Sep. 30, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivatives Derivatives
Hedge Accounting and Hedging Programs
We recognize all derivative instruments as either assets or liabilities in our consolidated balance sheets and measure them at fair value. Gains and losses resulting from changes in fair value are accounted for depending on the use of the derivative and whether it is designated and qualifies for hedge accounting.
We evaluate hedge effectiveness on our hedges that are designated and qualify for hedge accounting at the inception of the hedge prospectively, as well as retrospectively, and record any ineffective portion of the hedging instruments along with the time value of purchased contracts in the same line item of the income statement as the item being hedged on our consolidated statements of income.
Our hedging policy establishes maximum limits for each counterparty to minimize concentration of risk.
Balance Sheet Hedges
We hedge our net recognized foreign currency denominated assets and liabilities with foreign currency forward contracts to reduce the risk that the value of these assets and liabilities will be adversely affected by changes in exchange rates. These contracts hedge assets and liabilities that are denominated in foreign currencies and are carried at fair value as either assets or liabilities on the consolidated balance sheets with changes in the fair value recorded to net foreign currency transaction gain (loss) in our consolidated statements of income. These contracts do not subject us to material balance sheet risk due to exchange rate movements because gains and losses on these derivatives are intended to offset gains and losses on the assets and liabilities being hedged. At September 30, 2025 and December 31, 2024, the notional amounts of foreign currency forward contracts outstanding not designated as hedging instruments were $90.7 million and $70.2 million, respectively.
Cash Flow Hedges
We manage our floating rate debt exposure using interest rate swaps. Fixed rate swaps are used to reduce our risk of the possibility of increased interest costs. We entered into an aggregate $120.0 million notional amount
of interest rate swaps effective December 1, 2022, that exchange a variable rate of interest for a fixed rate of interest of 4.076%. These interest rate swaps are designated as cash flow hedges. These swaps are scheduled to mature on December 1, 2026.
Fair Value Hedges
On April 5, 2022, we entered into Euro to U.S. dollar foreign exchange cross-currency swaps associated with an intercompany loan from a wholly owned European subsidiary. We enter into these foreign exchange cross-currency swaps to hedge the foreign currency risk associated with this intercompany loan, and accordingly, they are not speculative in nature. These cross-currency swaps are designated as fair value hedges. As of September 30, 2025 and December 31, 2024, these cross-currency swaps included €75.0 million of total notional value. As of September 30, 2025, the aggregated scheduled interest payments over the course of the loan and related swaps amounted to €3.6 million. The scheduled maturity and principal payment of the loan of €75.0 million is due in April 2027.
Net Investment Hedges
On April 5, 2022, we entered into Euro to U.S. dollar foreign exchange cross-currency swaps to hedge our exposure to adverse foreign currency exchange rate movements between Tennant Company and a wholly owned European subsidiary. We enter into these fixed-to-fixed cross-currency swap agreements to protect a designated monetary amount of the Company’s net investment in its Euro functional currency subsidiary against the risk of changes in the Euro to U.S. dollar foreign exchange rate. These cross-currency swaps are designated as net investment hedges. As of September 30, 2025 and December 31, 2024, the cross-currency swaps included €75.0 million of total notional value. These swaps are scheduled to mature in April 2027.
The fair value of derivative instruments on our consolidated balance sheets was as follows:
Derivative AssetsDerivative Liabilities
Balance Sheet LocationSeptember 30, 2025December 31, 2024Balance Sheet LocationSeptember 30, 2025December 31, 2024
Derivatives designated as cash flow hedges:
Interest rate swapsOther current assets$— $0.1 Other current liabilities$0.5 $— 
Interest rate swapsOther assets— — Other liabilities0.3 0.2 
Derivatives designated as fair value hedges:
Cross-currency swapsOther current assets1.2 1.5 Other current liabilities— — 
Cross-currency swapsOther assets— 0.5 Other liabilities9.0 — 
Derivatives designated as net investment hedges:
Cross-currency swapsOther current assets1.2 1.2 Other current liabilities— — 
Cross-currency swapsOther assets— 0.2 Other liabilities8.9 — 
Derivatives not designated as hedging instruments:
Foreign currency forward contracts(a)
Other current assets$0.7 $0.8 Other current liabilities$— $— 
(a)Contracts that mature within the next 12 months are included in other current assets and other current liabilities for asset derivatives and liabilities derivatives, respectively, on our consolidated balance sheets. Contracts with maturities greater than 12 months are included in other assets and other liabilities for asset derivatives and liability derivatives, respectively, in our consolidated balance sheets. Amounts included in our consolidated balance sheets are recorded net where a right of offset exists with the same derivative counterparty.
As of September 30, 2025, we anticipate reclassifying $2.2 million of gains from accumulated other comprehensive loss to net income during the next 12 months.
The following table includes the amounts in the consolidated statements of income in which the effects of derivatives designated as hedging instruments are recorded:
Three Months Ended
September 30,
20252024
TotalGain on HedgingTotalGain (Loss) on Hedging
Derivatives designated as cash flow hedges:
Interest expense, net$(2.4)$0.1 $(2.7)$0.3 
Net foreign currency transaction loss— — (0.4)— 
Derivatives designated as fair value hedges:
Interest expense, net(2.4)0.3 (2.7)0.2 
Net foreign currency transaction gain (loss)— 0.4 (0.4)(2.5)
Derivatives designated as net investment hedges:
Interest expense, net$(2.4)$0.2 $(2.7)$0.2 
Nine Months Ended September 30,
20252024
TotalGain (Loss) on HedgingTotalGain (Loss) on Hedging
Derivatives designated as cash flow hedges:
Interest expense, net$(6.9)$0.2 $(7.5)$0.9 
Net foreign currency transaction (loss) gain(1.0)— 0.1 — 
Derivatives designated as fair value hedges:
Interest expense, net(6.9)0.8 (7.5)0.8 
Net foreign currency transaction (loss) gain(1.0)(7.9)0.1 (0.6)
Derivatives designated as net investment hedges:
Interest expense, net$(6.9)$0.7 $(7.5)$0.7 
The effect of derivative instruments designated as hedges and derivative instruments not designated as hedges in our consolidated statements of income was as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Derivatives designated as cash flow hedges:
Net gain (loss) recognized in other comprehensive income (loss), net of tax(a)
$0.1 $(1.7)$(0.3)$0.4 
Net gain reclassified from accumulated other comprehensive income (loss) into income, net of tax, effective portion to interest expense, net0.1 0.3 0.2 0.9 
Derivatives designated as fair value hedges:
Net gain recognized in other comprehensive income (loss), net of tax(a)
3.1 0.6 1.2 0.9 
Net gain reclassified from accumulated other comprehensive income (loss) into income, net of tax, effective portion to interest expense, net2.9 0.3 0.7 0.8 
Derivatives designated as net investment hedges:
Net (loss) gain recognized in other comprehensive income (loss), net of tax(a)
(2.1)(1.8)(6.3)0.2 
Net (loss) gain reclassified from accumulated other comprehensive (loss) income into income, net of tax, ineffective portion to interest expense, net(2.5)0.2 0.7 0.7 
Derivatives not designated as hedging instruments:
Net (loss) gain recognized in income(b)
$(0.2)$(1.9)$(8.3)$1.0 
(a)Net change in the fair value of the effective portion classified in other comprehensive income (loss).
(b)Classified in net foreign currency transaction (loss) gain.
v3.25.3
Fair Value Measurements
 9 Months Ended
Sep. 30, 2025
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
Financial Instruments
The carrying amounts reported in the consolidated balance sheets for cash and cash equivalents, accounts receivable, other current assets, accounts payable and other current liabilities approximate fair value due to their short-term nature.
On February 21, 2024, the Company acquired certain investment securities in Brain Corp, a privately held autonomous technology company located in San Diego, California. The investment will drive the development and adoption of Brain Corp's next generation of robotic and AI technologies.
The investment securities include $12.1 million of redeemable convertible preferred stock, accounted for as available-for-sale debt instruments. The investment securities also include $12.2 million of non-redeemable convertible preferred stock and $7.8 million of warrants, accounted for as equity instruments under the elected measurement alternative. The equity and debt securities were recorded at closing at their allocated fair values. For equity instruments, the carrying amount will be adjusted to fair value through net income each period based upon observable transactions for identical or similar investments of the same issuer and monitored for impairment. For debt instruments, the carrying amount will be adjusted to fair value each period through
accumulated other comprehensive income (loss). The securities will be measured to fair value based on Level 3 inputs.
As of September 30, 2025 and December 31, 2024, the cost and market values of our debt and equity securities were as follows:
CostFair ValueGross Unrealized GainsGross Unrealized Losses
Balance as of September 30, 2025
Available-for-sale debt securities$12.1 $12.3 $0.2 $— 
Equity securities20.0 20.0 — — 
Total debt and equity securities$32.1 $32.3 $0.2 $— 
Balance as of December 31, 2024
Available-for-sale debt securities$12.1 $12.3 $0.2 $— 
Equity securities20.0 20.0 — — 
Total debt and equity securities$32.1 $32.3 $0.2 $— 
The aggregate unrealized gains and losses on available-for-sale debt securities, net of tax effects, are classified in accumulated other comprehensive loss within shareholders' equity.
Scheduled maturities of our debt securities were as follows:
Cost Fair Value
After 5 years through 10 years$12.1 $12.3 
Total debt securities$12.1 $12.3 
Fair Value Measurements and Financial Statement Presentation
Estimates of fair value for financial assets and financial liabilities are based on the framework established in the accounting guidance for fair value measurements. The framework defines fair value, provides guidance for measuring fair value and requires certain disclosures. The framework discusses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow) and the cost approach (cost to replace the service capacity of an asset or replacement cost). The framework utilizes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:
•Level 1: Observable inputs such as quoted prices (unadjusted) in active markets for identical assets or liabilities.
•Level 2: Inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.
•Level 3: Unobservable inputs that reflect the reporting entity’s own assumptions.
Our population of assets and liabilities subject to fair value measurements at September 30, 2025 was as follows:
Fair
Value		Level 1Level 2Level 3
Assets:
Equity securities$20.0 $— $— $20.0 
Debt securities12.3 — — 12.3 
Foreign currency forward contracts0.7 — 0.7 — 
Cross-currency swaps2.4 — 2.4 — 
Total assets35.4 — 3.1 32.3 
Liabilities:
Foreign currency forward contracts— — — — 
Cross-currency swaps17.9 — 17.9 — 
Interest rate swaps0.8 — 0.8 — 
Total liabilities$18.7 $— $18.7 $— 
Our population of assets and liabilities subject to fair value measurements at December 31, 2024 was as follows:
Fair
Value		Level 1Level 2Level 3
Assets:
Equity securities$20.0 $— $— $20.0 
Debt securities12.3 — — 12.3 
Foreign currency forward contracts0.8 — 0.8 — 
Cross-currency swaps3.4 — 3.4 — 
Interest rate swaps0.1 — 0.1 — 
Total assets36.6 — 4.3 32.3 
Liabilities:
Interest rate swaps0.2 — 0.2 — 
Total liabilities$0.2 $— $0.2 $— 
Our foreign currency forward contracts, cross-currency swaps and interest rate swaps are valued using observable Level 2 market expectations at the measurement date and standard valuation techniques to convert future amounts to a single present value amount. Further details regarding our derivative instruments are discussed in Note 10.
There were no transfers into or out of Level 3 investments in the periods ended September 30, 2025 and December 31, 2024.
The fair value and carrying value of total debt, including current portion, was $266.9 million and $238.7 million, respectively, as of September 30, 2025. The fair value and carrying value of total debt, including current portion, was $235.9 million and $199.5 million, respectively, as of December 31, 2024. The fair value was estimated using Level 3 inputs based on the borrowing rates currently available to us for bank loans with similar terms and remaining maturities.
v3.25.3
Commitments and Contingencies
 9 Months Ended
Sep. 30, 2025
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies Commitments and Contingencies
In the ordinary course of business, we are subject to the effects of certain contractual stipulations, events, transactions, and laws and regulations that may, at times, require the recognition of liabilities, such as those related to self-insurance estimated liabilities and claims, legal and contractual issues, environmental laws and regulations, guarantees, and indemnities. We establish estimated liabilities when the associated costs related to uncertainties or guarantees become probable and can be reasonably estimated.
Oxygenator Water Techs vs. Tennant Company

On November 25, 2024, the Company received an adverse jury verdict in an intellectual property damages dispute in the United States District Court for the District of Minnesota (Court). Oxygenator Water Technologies, Inc. (OWT) alleged that between 2015 and 2023, the Company infringed certain of OWT’s patents through the manufacture and sale of certain component parts in ecH2O and nanoclean system options included on commercial floor scrubbers. The jury ruled against the Company and awarded compensatory damages of $9.8 million, plus prejudgment interest of $4.7 million, in favor of OWT. Accordingly, in the fourth quarter of 2024, the Company recorded an accrued expense and a corresponding liability of $14.5 million.

Subsequently, on September 17, 2025, the Court issued a post-trial ruling enhancing damages by 30%, resulting in total damages and interest of approximately $20.2 million, including $9.8 million in compensatory damages, $2.9 million in enhanced damages, and $7.4 million in prejudgment interest. As a result, the Company recorded an incremental accrued expense and corresponding liability of $5.3 million in the third quarter of 2025.

As litigation outcomes are inherently uncertain and can result in unanticipated developments, it is possible that the Company’s exposure to loss could change following the issuance of these financial statements. The Company intends to vigorously defend its position and is assessing next steps in the proceedings.
The ruling does not impact the Company’s ability to sell its products and is not expected to affect its long-term business objectives.
Except as described above, there have been no material changes in the Company’s estimated liabilities for self-insurance, litigation, environmental matters, guarantees, or indemnities, or in the related events and circumstances.
v3.25.3
Shareholders' Equity
 9 Months Ended
Sep. 30, 2025
Stockholders' Equity Note [Abstract]  
Shareholders' Equity Shareholders' Equity
Accumulated Other Comprehensive Loss
The changes in components of accumulated other comprehensive loss, net of tax, are as follows:
Nine Months Ended September 30, 2025
Foreign Currency
Translation
Adjustments (1)
Pension and Post-
Retirement Medical
Benefits		Derivative Financial InstrumentsUnrealized Gain on Debt SecuritiesTotal
Beginning balance$(75.2)$2.8 $(0.5)$0.2 $(72.7)
Other comprehensive income before reclassifications39.3 — 0.9 — 40.2 
Amounts reclassified from accumulated other comprehensive loss(0.7)— (0.9)— (1.6)
Net current period other comprehensive income38.6 — — — 38.6 
Ending balance$(36.6)$2.8 $(0.5)$0.2 $(34.1)
(1) Includes foreign currency translation adjustments attributable to noncontrolling interests of $0.5 million.
Nine Months Ended September 30, 2024
Foreign Currency
Translation
Adjustments		Pension and Post-
Retirement Medical
Benefits		Derivative Financial InstrumentsTotal
Beginning balance$(45.6)$3.7 $(0.4)$(42.3)
Other comprehensive (loss) income before reclassifications(1.7)(0.2)1.3 (0.6)
Amounts reclassified from accumulated other comprehensive loss(0.7)— (1.7)(2.4)
Net current period other comprehensive loss(2.4)(0.2)(0.4)(3.0)
Ending balance$(48.0)$3.5 $(0.8)$(45.3)
v3.25.3
Income Taxes
 9 Months Ended
Sep. 30, 2025
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
We and our subsidiaries are subject to U.S. federal income tax as well as income tax of numerous state and foreign jurisdictions. We are generally no longer subject to U.S. federal tax examinations for taxable years before 2018. The number of years which remain open for audit for U.S. state or foreign tax purposes varies by jurisdiction but generally ranges from three to five years. We are currently undergoing income tax examinations in various foreign jurisdictions. Although the outcome of these examinations cannot be currently determined, we believe that we have adequate reserves with respect to these examinations.
We recognize potential accrued interest and penalties related to unrecognized tax benefits in income tax expense. In addition to the liability of $6.5 million for unrecognized tax benefits as of September 30, 2025, there was approximately $1.0 million for accrued interest and penalties. The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate as of September 30, 2025 was $4.8 million. To the extent interest and penalties are not assessed with respect to uncertain tax positions, amounts accrued will be revised and reflected as an adjustment of the income tax expense.
On July 4, 2025, the U.S. enacted H.R. 1 "A bill to provide for reconciliation pursuant to Title II of H. Con. Res. 14," commonly referred to as the One Big Beautiful Bill Act (the “Act”). The Act includes significant corporate tax provisions such as accelerated depreciation deductions, immediate expensing of domestic research costs, and modifications to the international tax framework. The legislation has multiple effective dates, with certain provisions effective starting January 1, 2025. We currently expect a cash tax benefit in 2025 from the enhanced expensing provisions. The Act does not materially impact our effective tax rate.
v3.25.3
Share-Based Compensation
 9 Months Ended
Sep. 30, 2025
Share-Based Payment Arrangement [Abstract]  
Share-Based Compensation Share-Based CompensationOur share-based compensation plans are described in Note 18 of our annual report on Form 10-K for the year ended December 31, 2024. During the three months ended September 30, 2025 and 2024, we recognized total share-based compensation expense of $2.8 million and $4.1 million, respectively. During the nine months ended September 30, 2025 and 2024, we recognized total share-based compensation expense of $8.6 million and $9.4 million, respectively. The total excess tax recognized for share-based compensation arrangements during the nine months ended September 30, 2025 and 2024 was a tax benefit of $0.2 million and $3.0 million, respectively.
v3.25.3
Income Attributable to Tennant Company Per Share
 9 Months Ended
Sep. 30, 2025
Earnings Per Share [Abstract]  
Income Attributable to Tennant Company Per Share Income Attributable to Tennant Company Per Share
The computations of basic and diluted earnings per share were as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Numerator:
Net income$14.9 $20.8 $48.2 $77.1 
Denominator:
Basic - weighted average shares outstanding18,314,48818,810,26718,507,22218,790,824
Effect of dilutive securities233,236283,606215,031329,631
Diluted - weighted average shares outstanding18,547,72419,093,87318,722,25319,120,455
Basic earnings per share$0.81 $1.11 $2.60 $4.10 
Diluted earnings per share$0.80 $1.09 $2.57 $4.03 
Excluded from the dilutive securities presented above were options to purchase and shares to be paid out under share-based compensation plans totaling 44,322 and 4,124 shares of common stock for the three months ended September 30, 2025 and 2024, respectively. Excluded from the dilutive securities presented above were options to purchase and shares to be paid out under share-based compensation plans totaling 153,540 and 88,992 shares of common stock for the nine months ended September 30, 2025 and 2024, respectively. These instruments were excluded when their exercise prices exceeded the average market price of our common stock for the period, when the number of shares we can repurchase under the treasury stock method exceeded the
weighted average shares outstanding, or during periods of net loss, as their inclusion would have been anti-dilutive.
v3.25.3
Segment Reporting
 9 Months Ended
Sep. 30, 2025
Segment Reporting [Abstract]  
Segment Reporting Segment Reporting
We are organized into four operating segments: North America; Latin America; Europe, Middle East, Africa; and Asia Pacific. We combine our North America and Latin America operating segments into the "Americas" for reporting net sales by geographic area. In accordance with the objective and basic principles of the applicable accounting guidance, we aggregate our operating segments into one reportable segment that consists of the design, manufacture and sale of products used primarily in the maintenance of nonresidential surfaces.
The Company's chief operating decision maker ("CODM") is our chief executive officer. The CODM evaluates segment performance and makes resource allocation decisions using both net income and gross profit. Net income, which is also reported as consolidated net income on the consolidated statements of income, is regularly reviewed to assess segment performance. Additionally, the CODM uses gross profit to evaluate pricing and compare actual results to historical and forecasted data.
Significant expenses within net income include cost of sales, research and development, and selling and administrative expenses, which are each separately presented on the Company’s consolidated statements of income. Other segment items within net income include net foreign currency transaction gain (loss), interest expense, net, other (expense) income, net, and income tax expense.
v3.25.3
Insider Trading Arrangements
 3 Months Ended
Sep. 30, 2025
Trading Arrangements, by Individual  
Rule 10b5-1 Arrangement Adopted false
Non-Rule 10b5-1 Arrangement Adopted false
Rule 10b5-1 Arrangement Terminated false
Non-Rule 10b5-1 Arrangement Terminated false
v3.25.3
Summary of Significant Accounting Policies (Policies)
 9 Months Ended
Sep. 30, 2025
Accounting Policies [Abstract]  
Basis of Presentation
Basis of Presentation – The accompanying unaudited consolidated financial statements have been prepared in accordance with the U.S. Securities and Exchange Commission (“SEC”) requirements for interim reporting. In our opinion, the consolidated financial statements contain all adjustments (consisting of only normal recurring adjustments) necessary for the fair presentation of our financial position and results of operations.
These statements should be read in conjunction with the consolidated financial statements and notes included in our annual report on Form 10-K for the year ended December 31, 2024. The results of operations for interim periods are not necessarily indicative of the results to be expected for the full year.
Reclassification
Reclassification – Certain prior period amounts have been reclassified to conform to the current period presentation (e.g. payroll tax accruals are now classified from Employee Compensation and Benefits to Other Current Liabilities).
Newly Adopted Accounting Pronouncements In November 2023, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update (“ASU”) 2023-07, Improvements to Reportable Segment Disclosures (“ASU 2023-07”), which amends the existing segment reporting guidance (ASC Topic 280 — Segment Reporting (“ASC 280”)) to improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses that are regularly provided to the chief operating decision maker (“CODM”) and included within each reported measure of segment profit or loss, an amount for other segment items by reportable segment and a description of its composition, the title and position of the CODM and an explanation of how the CODM uses the reported measure(s) of segment profit or loss in assessing segment performance and deciding how to allocate resources. We have adopted the new standard effective December 31, 2024. While the adoption has no impact on our consolidated financial statements, it has resulted in incremental disclosures within the footnotes to our consolidated financial statements. Refer to Note 17, Segment Reporting, for the inclusion of the new required disclosures.
v3.25.3
Revenue (Tables)
 9 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
The following tables illustrate the disaggregation of revenue by geographic area, groups of similar products and services and sales channels:
Net sales by geographic area
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Americas$203.6 $218.7 $614.4 $662.1 
Europe, Middle East and Africa80.5 76.3 241.2 234.6 
Asia Pacific19.2 20.8 56.3 61.1 
Total$303.3 $315.8 $911.9 $957.8 
Net sales are attributed to each geographic area based on the end-user country and are net of intercompany sales.
Net sales by groups of similar products and services
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Equipment$179.4 $196.6 $549.2 $597.1 
Parts and consumables69.7 68.0 206.5 207.5 
Service and other54.2 51.2 156.2 153.2 
Total$303.3 $315.8 $911.9 $957.8 
Net sales by sales channel
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Sales direct to consumer$212.3 $222.6 $633.9 $673.7 
Sales to distributors91.0 93.2 278.0 284.1 
Total$303.3 $315.8 $911.9 $957.8 
Schedule of Change in Sales Incentive Accrual Balance and Deferred Revenue Balance
The change in our sales incentive accrual balance was as follows:
Nine Months Ended
September 30,
20252024
Beginning balance$15.6 $21.2 
Additions to sales incentive accrual18.4 20.5 
Contract payments(17.3)(20.9)
Foreign currency fluctuations0.7 0.1 
Ending balance$17.4 $20.9 
The change in the deferred revenue balance was as follows:
Nine Months Ended
September 30,
20252024
Beginning balance$20.6 $10.3 
Increase in deferred revenue representing our obligation to satisfy future performance obligations21.9 21.8 
Decrease in deferred revenue for amounts recognized in net sales for satisfied performance obligations(15.6)(15.3)
Foreign currency fluctuations0.6 (0.5)
Ending balance$27.5 $16.3 
Schedule of Recognition of Net Sales in Future Periods Of these amounts, we expect to recognize the following approximate amounts in net sales in the following periods:
Remaining 2025
$7.2 
20267.7 
20275.9 
20283.7 
20292.5 
Thereafter0.5 
Total$27.5 
v3.25.3
Management Actions (Tables)
 9 Months Ended
Sep. 30, 2025
Restructuring and Related Activities [Abstract]  
Schedule of Pre-tax Restructuring Charges The following pre-tax restructuring charges were included in selling and administrative expense in the consolidated statements of income.
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Severance-related costs$1.3 $— $2.5 $0.6 
Total pre-tax restructuring costs$1.3 $— $2.5 $0.6 
Schedule of Reconciliation of Liability Balance of Severance and Related Costs
A reconciliation of the beginning and ending liability balances for severance-related costs is as follows:
Nine Months Ended
September 30,
20252024
Beginning balance$8.6 $2.4 
New charges4.1 1.2 
Cash payments(5.5)(1.3)
Foreign currency fluctuations0.1 (0.1)
Adjustments to accrual(1.6)(0.6)
Ending balance$5.7 $1.6 
v3.25.3
Inventories (Tables)
 9 Months Ended
Sep. 30, 2025
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories are valued at the lower of cost or net realizable value and consisted of the following:
September 30,
2025		December 31,
2024
Inventories carried at LIFO:
Finished goods(a)
$85.5 $85.4 
Raw materials and work-in-process35.6 38.4 
Excess of FIFO over LIFO cost(b)
(49.9)(50.4)
Total LIFO inventories$71.2 $73.4 
Inventories carried at FIFO:
Finished goods(a)
$62.7 $53.2 
Raw materials and work-in-process72.0 57.2 
Total FIFO inventories$134.7 $110.4 
Total inventories$205.9 $183.8 
(a)Finished goods include machines, parts and consumables and component parts that are used in our products.
(b)The difference between replacement cost and the stated LIFO inventory value is not materially different from the reserve for the LIFO valuation method.
v3.25.3
Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in the Carrying Amount of Goodwill
The changes in the carrying amount of goodwill for the nine months ended September 30, 2025 were as follows:
Goodwill
Accumulated
Impairment
Losses
Total
Balance as of December 31, 2024
$218.1 $(32.5)$185.6 
Additions1.4 — 1.4 
Foreign currency fluctuations24.1 (2.8)21.3 
Balance as of September 30, 2025
$243.6 $(35.3)$208.3 
Schedule of Balances of Acquired Intangible Assets, Excluding Goodwill
The balances of acquired intangible assets, excluding goodwill, were as follows:
Customer ListsTrade NamesTechnologyTotal
Balance as of September 30, 2025
Original cost$174.4 $31.0 $16.5 $221.9 
Accumulated amortization(125.3)(25.8)(14.9)(166.0)
Carrying value$49.1 $5.2 $1.6 $55.9 
Weighted average original life (in years)151111
Balance as of December 31, 2024
Original cost$154.6 $27.6 $15.2 $197.4 
Accumulated amortization(104.9)(20.8)(13.0)(138.7)
Carrying value$49.7 $6.8 $2.2 $58.7 
Weighted average original life (in years)151111
Schedule of Estimated Aggregate Amortization Expense
Estimated aggregate amortization expense based on the current carrying value of amortizable intangible assets for each of the five succeeding years and thereafter is as follows:
Remaining 2025
$3.8 
202612.8 
20279.2 
20287.4 
20296.7 
Thereafter16.0 
Total$55.9 
v3.25.3
Debt (Tables)
 9 Months Ended
Sep. 30, 2025
Debt Disclosure [Abstract]  
Schedule of Debt Outstanding
Debt outstanding consisted of the following:
September 30, 2025December 31, 2024
Credit facility borrowings:
Revolving credit facility borrowings$237.5 $197.5 
Finance lease liabilities1.2 1.2 
Bank overdrafts— 0.8 
Total debt238.7 199.5 
Less: current portion of long-term debt(a)
(0.4)(1.3)
Long-term debt$238.3 $198.2 
(a)As of September 30, 2025, the Company was required to repay $0.4 million of finance lease liabilities, and no amounts in outstanding credit facility borrowings, over the next 12 months.
v3.25.3
Warranty (Tables)
 9 Months Ended
Sep. 30, 2025
Guarantees [Abstract]  
Schedule of Changes in Warranty Reserves
The changes in warranty reserves were as follows:
Nine Months Ended
September 30,
20252024
Beginning balance$10.5 $11.1 
Additions charged to expense4.6 7.9 
Foreign currency fluctuations0.2 — 
Claims paid(5.1)(8.3)
Ending balance$10.2 $10.7 
v3.25.3
Derivatives (Tables)
 9 Months Ended
Sep. 30, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Fair Value of Derivative Instruments
The fair value of derivative instruments on our consolidated balance sheets was as follows:
Derivative AssetsDerivative Liabilities
Balance Sheet LocationSeptember 30, 2025December 31, 2024Balance Sheet LocationSeptember 30, 2025December 31, 2024
Derivatives designated as cash flow hedges:
Interest rate swapsOther current assets$— $0.1 Other current liabilities$0.5 $— 
Interest rate swapsOther assets— — Other liabilities0.3 0.2 
Derivatives designated as fair value hedges:
Cross-currency swapsOther current assets1.2 1.5 Other current liabilities— — 
Cross-currency swapsOther assets— 0.5 Other liabilities9.0 — 
Derivatives designated as net investment hedges:
Cross-currency swapsOther current assets1.2 1.2 Other current liabilities— — 
Cross-currency swapsOther assets— 0.2 Other liabilities8.9 — 
Derivatives not designated as hedging instruments:
Foreign currency forward contracts(a)
Other current assets$0.7 $0.8 Other current liabilities$— $— 
Schedule of Effects of Derivatives Designated as Hedging Instruments
The following table includes the amounts in the consolidated statements of income in which the effects of derivatives designated as hedging instruments are recorded:
Three Months Ended
September 30,
20252024
TotalGain on HedgingTotalGain (Loss) on Hedging
Derivatives designated as cash flow hedges:
Interest expense, net$(2.4)$0.1 $(2.7)$0.3 
Net foreign currency transaction loss— — (0.4)— 
Derivatives designated as fair value hedges:
Interest expense, net(2.4)0.3 (2.7)0.2 
Net foreign currency transaction gain (loss)— 0.4 (0.4)(2.5)
Derivatives designated as net investment hedges:
Interest expense, net$(2.4)$0.2 $(2.7)$0.2 
Nine Months Ended September 30,
20252024
TotalGain (Loss) on HedgingTotalGain (Loss) on Hedging
Derivatives designated as cash flow hedges:
Interest expense, net$(6.9)$0.2 $(7.5)$0.9 
Net foreign currency transaction (loss) gain(1.0)— 0.1 — 
Derivatives designated as fair value hedges:
Interest expense, net(6.9)0.8 (7.5)0.8 
Net foreign currency transaction (loss) gain(1.0)(7.9)0.1 (0.6)
Derivatives designated as net investment hedges:
Interest expense, net$(6.9)$0.7 $(7.5)$0.7 
The effect of derivative instruments designated as hedges and derivative instruments not designated as hedges in our consolidated statements of income was as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Derivatives designated as cash flow hedges:
Net gain (loss) recognized in other comprehensive income (loss), net of tax(a)
$0.1 $(1.7)$(0.3)$0.4 
Net gain reclassified from accumulated other comprehensive income (loss) into income, net of tax, effective portion to interest expense, net0.1 0.3 0.2 0.9 
Derivatives designated as fair value hedges:
Net gain recognized in other comprehensive income (loss), net of tax(a)
3.1 0.6 1.2 0.9 
Net gain reclassified from accumulated other comprehensive income (loss) into income, net of tax, effective portion to interest expense, net2.9 0.3 0.7 0.8 
Derivatives designated as net investment hedges:
Net (loss) gain recognized in other comprehensive income (loss), net of tax(a)
(2.1)(1.8)(6.3)0.2 
Net (loss) gain reclassified from accumulated other comprehensive (loss) income into income, net of tax, ineffective portion to interest expense, net(2.5)0.2 0.7 0.7 
Derivatives not designated as hedging instruments:
Net (loss) gain recognized in income(b)
$(0.2)$(1.9)$(8.3)$1.0 
(a)Net change in the fair value of the effective portion classified in other comprehensive income (loss).
(b)Classified in net foreign currency transaction (loss) gain.
v3.25.3
Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2025
Fair Value Disclosures [Abstract]  
Schedule of Marketable Securities
As of September 30, 2025 and December 31, 2024, the cost and market values of our debt and equity securities were as follows:
CostFair ValueGross Unrealized GainsGross Unrealized Losses
Balance as of September 30, 2025
Available-for-sale debt securities$12.1 $12.3 $0.2 $— 
Equity securities20.0 20.0 — — 
Total debt and equity securities$32.1 $32.3 $0.2 $— 
Balance as of December 31, 2024
Available-for-sale debt securities$12.1 $12.3 $0.2 $— 
Equity securities20.0 20.0 — — 
Total debt and equity securities$32.1 $32.3 $0.2 $— 
Schedule of Investments Classified by Contractual Maturity Date
Scheduled maturities of our debt securities were as follows:
Cost Fair Value
After 5 years through 10 years$12.1 $12.3 
Total debt securities$12.1 $12.3 
Schedule of Assets and Liabilities Subject to Fair Value Measurements
Our population of assets and liabilities subject to fair value measurements at September 30, 2025 was as follows:
Fair
Value		Level 1Level 2Level 3
Assets:
Equity securities$20.0 $— $— $20.0 
Debt securities12.3 — — 12.3 
Foreign currency forward contracts0.7 — 0.7 — 
Cross-currency swaps2.4 — 2.4 — 
Total assets35.4 — 3.1 32.3 
Liabilities:
Foreign currency forward contracts— — — — 
Cross-currency swaps17.9 — 17.9 — 
Interest rate swaps0.8 — 0.8 — 
Total liabilities$18.7 $— $18.7 $— 
Our population of assets and liabilities subject to fair value measurements at December 31, 2024 was as follows:
Fair
Value		Level 1Level 2Level 3
Assets:
Equity securities$20.0 $— $— $20.0 
Debt securities12.3 — — 12.3 
Foreign currency forward contracts0.8 — 0.8 — 
Cross-currency swaps3.4 — 3.4 — 
Interest rate swaps0.1 — 0.1 — 
Total assets36.6 — 4.3 32.3 
Liabilities:
Interest rate swaps0.2 — 0.2 — 
Total liabilities$0.2 $— $0.2 $— 
v3.25.3
Shareholders' Equity (Tables)
 9 Months Ended
Sep. 30, 2025
Stockholders' Equity Note [Abstract]  
Schedule of Accumulated Other Comprehensive Loss, Net of Tax
The changes in components of accumulated other comprehensive loss, net of tax, are as follows:
Nine Months Ended September 30, 2025
Foreign Currency
Translation
Adjustments (1)
Pension and Post-
Retirement Medical
Benefits		Derivative Financial InstrumentsUnrealized Gain on Debt SecuritiesTotal
Beginning balance$(75.2)$2.8 $(0.5)$0.2 $(72.7)
Other comprehensive income before reclassifications39.3 — 0.9 — 40.2 
Amounts reclassified from accumulated other comprehensive loss(0.7)— (0.9)— (1.6)
Net current period other comprehensive income38.6 — — — 38.6 
Ending balance$(36.6)$2.8 $(0.5)$0.2 $(34.1)
(1) Includes foreign currency translation adjustments attributable to noncontrolling interests of $0.5 million.
Nine Months Ended September 30, 2024
Foreign Currency
Translation
Adjustments		Pension and Post-
Retirement Medical
Benefits		Derivative Financial InstrumentsTotal
Beginning balance$(45.6)$3.7 $(0.4)$(42.3)
Other comprehensive (loss) income before reclassifications(1.7)(0.2)1.3 (0.6)
Amounts reclassified from accumulated other comprehensive loss(0.7)— (1.7)(2.4)
Net current period other comprehensive loss(2.4)(0.2)(0.4)(3.0)
Ending balance$(48.0)$3.5 $(0.8)$(45.3)
v3.25.3
Income Attributable to Tennant Company Per Share (Tables)
 9 Months Ended
Sep. 30, 2025
Earnings Per Share [Abstract]  
Schedule of Computations of Basic and Diluted Earnings per Share
The computations of basic and diluted earnings per share were as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Numerator:
Net income$14.9 $20.8 $48.2 $77.1 
Denominator:
Basic - weighted average shares outstanding18,314,48818,810,26718,507,22218,790,824
Effect of dilutive securities233,236283,606215,031329,631
Diluted - weighted average shares outstanding18,547,72419,093,87318,722,25319,120,455
Basic earnings per share$0.81 $1.11 $2.60 $4.10 
Diluted earnings per share$0.80 $1.09 $2.57 $4.03 
v3.25.3
Revenue -Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Disaggregation of Revenue [Line Items]        
Net sales $ 303.3 $ 315.8 $ 911.9 $ 957.8
Sales direct to consumer        
Disaggregation of Revenue [Line Items]        
Net sales 212.3 222.6 633.9 673.7
Sales to distributors        
Disaggregation of Revenue [Line Items]        
Net sales 91.0 93.2 278.0 284.1
Equipment        
Disaggregation of Revenue [Line Items]        
Net sales 179.4 196.6 549.2 597.1
Parts and consumables        
Disaggregation of Revenue [Line Items]        
Net sales 69.7 68.0 206.5 207.5
Service and other        
Disaggregation of Revenue [Line Items]        
Net sales 54.2 51.2 156.2 153.2
Americas        
Disaggregation of Revenue [Line Items]        
Net sales 203.6 218.7 614.4 662.1
Europe, Middle East and Africa        
Disaggregation of Revenue [Line Items]        
Net sales 80.5 76.3 241.2 234.6
Asia Pacific        
Disaggregation of Revenue [Line Items]        
Net sales $ 19.2 $ 20.8 $ 56.3 $ 61.1
v3.25.3
Revenue - Schedule of Contract Liabilities (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sales Incentives    
Movement in Deferred Sales Inducements [Roll Forward]    
Beginning balance $ 15.6 $ 21.2
Additions to sales incentive accrual 18.4 20.5
Contract payments (17.3) (20.9)
Foreign currency fluctuations 0.7 0.1
Ending balance 17.4 20.9
Movement in Deferred Revenue [Roll Forward]    
Foreign currency fluctuations 0.7 0.1
Maintenance    
Movement in Deferred Sales Inducements [Roll Forward]    
Foreign currency fluctuations 0.6 (0.5)
Movement in Deferred Revenue [Roll Forward]    
Beginning balance 20.6 10.3
Increase in deferred revenue representing our obligation to satisfy future performance obligations 21.9 21.8
Decrease in deferred revenue for amounts recognized in net sales for satisfied performance obligations (15.6) (15.3)
Foreign currency fluctuations 0.6 (0.5)
Ending balance $ 27.5 $ 16.3
v3.25.3
Revenue - Narrative (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Other current liabilities | Maintenance    
Disaggregation of Revenue [Line Items]    
Deferred revenue, current $ 13.6 $ 9.8
Other liabilities | Maintenance    
Disaggregation of Revenue [Line Items]    
Deferred revenue, noncurrent $ 13.9 $ 10.8
Minimum    
Disaggregation of Revenue [Line Items]    
Standard prepaid maintenance contract time period (months) 12 months  
Maximum    
Disaggregation of Revenue [Line Items]    
Standard prepaid maintenance contract time period (months) 60 months  
v3.25.3
Revenue -Schedule of Remaining Performance Obligation (Details)
$ in Millions
Sep. 30, 2025
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total remaining performance obligation $ 27.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total remaining performance obligation $ 7.2
Remaining performance obligation, expected timing of satisfaction period 3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total remaining performance obligation $ 7.7
Remaining performance obligation, expected timing of satisfaction period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total remaining performance obligation $ 5.9
Remaining performance obligation, expected timing of satisfaction period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total remaining performance obligation $ 3.7
Remaining performance obligation, expected timing of satisfaction period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total remaining performance obligation $ 2.5
Remaining performance obligation, expected timing of satisfaction period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2030-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total remaining performance obligation $ 0.5
Remaining performance obligation, expected timing of satisfaction period
v3.25.3
Management Actions - Schedule of Pre-tax Severance Related Charges (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Restructuring and Related Activities [Abstract]        
Severance-related costs $ 1.3 $ 0.0 $ 2.5 $ 0.6
Total pre-tax restructuring costs $ 1.3 $ 0.0 $ 2.5 $ 0.6
v3.25.3
Management Actions - Schedule of Reconciliation of Liability Balance of Severance and Related Costs (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Restructuring Reserve [Roll Forward]    
Beginning balance $ 8.6 $ 2.4
New charges 4.1 1.2
Cash payments (5.5) (1.3)
Foreign currency fluctuations 0.1 (0.1)
Adjustments to accrual (1.6) (0.6)
Ending balance $ 5.7 $ 1.6
v3.25.3
Acquisitions (Details) - USD ($)
$ in Millions
Sep. 01, 2025
Feb. 29, 2024
Reinigungstechnik 4 You GmbH    
Business Combination [Line Items]    
Business acquisition, percentage of voting interests acquired 100.00%  
Purchase price $ 3.6  
Management and Financing GmbH    
Business Combination [Line Items]    
Business acquisition, percentage of voting interests acquired   100.00%
Purchase price   $ 34.9
v3.25.3
Inventories (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Inventory [Line Items]    
Excess of FIFO over LIFO cost $ (49.9) $ (50.4)
Total LIFO inventories 71.2 73.4
Total FIFO inventories 134.7 110.4
Total inventories 205.9 183.8
Inventories carried at LIFO:    
Inventory [Line Items]    
Finished goods 85.5 85.4
Raw materials and work-in-process 35.6 38.4
Inventories carried at FIFO:    
Inventory [Line Items]    
Finished goods 62.7 53.2
Raw materials and work-in-process $ 72.0 $ 57.2
v3.25.3
Goodwill and Intangible Assets -Schedule of Changes in Carrying Amount of Goodwill (Details)
$ in Millions
 9 Months Ended
Sep. 30, 2025
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 218.1
Additions 1.4
Beginning balance, accumulated impairment losses (32.5)
Beginning balance, net 185.6
Foreign currency fluctuations 24.1
Foreign currency fluctuations, accumulated impairment losses (2.8)
Foreign currency fluctuations, net 21.3
Ending balance 243.6
Ending balance, accumulated impairment losses (35.3)
Ending balance, net $ 208.3
v3.25.3
Goodwill and Intangible Assets - Schedule of Balances of Acquired Intangible Assets, Excluding Goodwill (Details) - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Original cost $ 221.9 $ 197.4
Accumulated amortization (166.0) (138.7)
Carrying value 55.9 58.7
Customer Lists    
Finite-Lived Intangible Assets [Line Items]    
Original cost 174.4 154.6
Accumulated amortization (125.3) (104.9)
Carrying value $ 49.1 $ 49.7
Weighted average original life (in years) 15 years 15 years
Trade Names    
Finite-Lived Intangible Assets [Line Items]    
Original cost $ 31.0 $ 27.6
Accumulated amortization (25.8) (20.8)
Carrying value $ 5.2 $ 6.8
Weighted average original life (in years) 11 years 11 years
Technology    
Finite-Lived Intangible Assets [Line Items]    
Original cost $ 16.5 $ 15.2
Accumulated amortization (14.9) (13.0)
Carrying value $ 1.6 $ 2.2
Weighted average original life (in years) 11 years 11 years
v3.25.3
Goodwill and Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense $ 3.4 $ 3.6 $ 10.2 $ 11.4
v3.25.3
Goodwill and Intangible Assets -Schedule of Estimated Aggregate Amortization Expense (Details)
$ in Millions
Sep. 30, 2025
USD ($)
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]  
Remaining 2025 $ 3.8
2026 12.8
2027 9.2
2028 7.4
2029 6.7
Thereafter 16.0
Total $ 55.9
v3.25.3
Debt - Narrative (Details) - USD ($)
$ in Millions
 9 Months Ended
Aug. 07, 2024
Nov. 10, 2022
Sep. 30, 2025
Dec. 31, 2024
Apr. 05, 2021
Debt Instrument [Line Items]          
Cross-currency swap instruments, net     4.50%    
The 2021 Credit Agreement          
Debt Instrument [Line Items]          
Letters of credit outstanding     $ 3.2    
Commitment fees on unused lines of credit     0.5    
The 2021 Credit Agreement | Secured Overnight Financing Rate Adjustment          
Debt Instrument [Line Items]          
Basis spread on variable rate   0.10%      
The 2021 Credit Agreement | Secured Overnight Financing Rate (SOFR)          
Debt Instrument [Line Items]          
Variable rate floor   0.00%      
The 2021 Credit Agreement | Adjusted Secured Overnight Financing Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate   0.50%      
Variable rate floor   1.00%      
The 2021 Credit Agreement | Minimum | Secured Overnight Financing Rate (SOFR)          
Debt Instrument [Line Items]          
Basis spread on variable rate   1.10%      
The 2021 Credit Agreement | Minimum | Adjusted Secured Overnight Financing Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate   0.10%      
The 2021 Credit Agreement | Maximum | Secured Overnight Financing Rate (SOFR)          
Debt Instrument [Line Items]          
Basis spread on variable rate   1.70%      
The 2021 Credit Agreement | Maximum | Adjusted Secured Overnight Financing Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate   0.70%      
The 2021 Credit Agreement | Revolving credit facility borrowings          
Debt Instrument [Line Items]          
Credit facility         $ 450.0
Credit facility         275.0
Revolving credit facility borrowings     237.5 $ 197.5  
Unused borrowing capacity     $ 409.3    
The 2021 Credit Agreement | Term Loan          
Debt Instrument [Line Items]          
Outstanding principal amount         $ 100.0
The 2024 Credit Agreement          
Debt Instrument [Line Items]          
EBITDA ratio, maximum 3.75        
Permitted acquisitions $ 50.0        
Maximum EBITDA to interest expense ratio 3.00        
Leverage ratio minimum 2.50        
Dividends payout $ 100.0        
The 2024 Credit Agreement | Adjusted Secured Overnight Financing Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate 1.00%        
Variable rate floor 1.00%        
The 2024 Credit Agreement | Fed Funds Effective Rate Overnight Index Swap Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate 0.50%        
The 2024 Credit Agreement | Minimum | Adjusted Secured Overnight Financing Rate | Variable Rate Component One          
Debt Instrument [Line Items]          
Basis spread on variable rate 0.25%        
The 2024 Credit Agreement | Minimum | Adjusted Secured Overnight Financing Rate | Variable Rate Component Two          
Debt Instrument [Line Items]          
Basis spread on variable rate 1.25%        
The 2024 Credit Agreement | Minimum | Adjusted Risk Free Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate 1.25%        
The 2024 Credit Agreement | Maximum | Adjusted Secured Overnight Financing Rate | Variable Rate Component One          
Debt Instrument [Line Items]          
Basis spread on variable rate 1.00%        
The 2024 Credit Agreement | Maximum | Adjusted Secured Overnight Financing Rate | Variable Rate Component Two          
Debt Instrument [Line Items]          
Basis spread on variable rate 2.00%        
The 2024 Credit Agreement | Maximum | Adjusted Risk Free Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate 2.00%        
The 2024 Credit Agreement | Revolving credit facility borrowings | Minimum          
Debt Instrument [Line Items]          
Commitment fee (as a percent) 0.15%        
The 2024 Credit Agreement | Revolving credit facility borrowings | Maximum          
Debt Instrument [Line Items]          
Commitment fee (as a percent) 0.30%        
The 2024 Credit Agreement | Line of Credit | Revolving credit facility borrowings          
Debt Instrument [Line Items]          
Credit facility $ 650.0        
Credit facility $ 325.0        
Debt Including Related Cross-currency Swap Instrument          
Debt Instrument [Line Items]          
Weighted average cost of debt     5.70%    
v3.25.3
Debt - Schedule of Debt Outstanding (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Finance lease liabilities $ 1.2 $ 1.2
Bank overdrafts 0.0 0.8
Total debt 238.7 199.5
Less: current portion of long-term debt (0.4) (1.3)
Long-term debt 238.3 198.2
The 2021 Credit Agreement    
Debt Instrument [Line Items]    
Finance lease liabilities current 0.4  
The 2021 Credit Agreement | Revolving credit facility borrowings    
Debt Instrument [Line Items]    
Revolving credit facility borrowings $ 237.5 $ 197.5
v3.25.3
Warranty - Narrative (Details)
 9 Months Ended
Sep. 30, 2025
Minimum  
Guarantor Obligations [Line Items]  
Machine warranty, period (Year) 1 year
Maximum  
Guarantor Obligations [Line Items]  
Machine warranty, period (Year) 4 years
v3.25.3
Warranty -Schedule of Changes in Warranty Reserves (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance $ 10.5 $ 11.1
Additions charged to expense 4.6 7.9
Foreign currency fluctuations 0.2 0.0
Claims paid (5.1) (8.3)
Ending balance $ 10.2 $ 10.7
v3.25.3
Derivatives - Narrative (Details)
€ in Millions, $ in Millions
 9 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2025
EUR (€)
Sep. 30, 2025
EUR (€)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
EUR (€)
Dec. 01, 2022
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]            
Derivate gains to be reclassified within the next twelve months $ 2.2          
Derivatives not designated as hedging instruments:            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount       $ 70.2    
Foreign currency forward contracts | Derivatives not designated as hedging instruments:            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount $ 90.7          
Interest rate swaps | Derivatives designated as cash flow hedges: | Derivatives designated as cash flow hedges:            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount           $ 120.0
Fixed interest rate           4.076%
Cross-currency swaps | Derivatives designated as cash flow hedges: | Derivatives designated as fair value hedges:            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount | €     € 75.0   € 75.0  
Debt instrument, periodic payment, interest | €   € 3.6        
Cross-currency swaps | Derivatives designated as cash flow hedges: | Derivatives designated as net investment hedges:            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount | €     € 75.0   € 75.0  
v3.25.3
Derivatives -Schedule of Fair Value of Derivative Instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Derivatives designated as cash flow hedges: | Interest rate swaps | Derivatives designated as cash flow hedges:    
Derivatives, Fair Value [Line Items]    
Derivative Assets $ 0.0 $ 0.1
Derivative Liabilities 0.5 0.0
Derivative other asset, before offset 0.0 0.0
Derivative other liability, asset offset 0.3 0.2
Derivatives designated as cash flow hedges: | Cross-currency swaps | Derivatives designated as fair value hedges:    
Derivatives, Fair Value [Line Items]    
Derivative Assets 1.2 1.5
Derivative Liabilities 0.0 0.0
Derivative other asset, before offset 0.0 0.5
Derivative other liability, asset offset 9.0 0.0
Derivatives designated as cash flow hedges: | Cross-currency swaps | Derivatives designated as net investment hedges:    
Derivatives, Fair Value [Line Items]    
Derivative Assets 1.2 1.2
Derivative Liabilities 0.0 0.0
Derivative other asset, before offset 0.0 0.2
Derivative other liability, asset offset 8.9 0.0
Derivatives not designated as hedging instruments: | Foreign currency forward contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0.7 0.8
Derivative Liabilities $ 0.0 $ 0.0
v3.25.3
Derivatives - Schedule of Effect of Derivative Instruments on Consolidated Statements of Earnings (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Net foreign currency transaction (loss) gain $ 0.0 $ (0.4) $ (1.0) $ 0.1
Net gain (loss) recognized in other comprehensive (loss) income, net of tax 0.2 (1.7) 0.0 (0.4)
Derivatives designated as cash flow hedges: | Derivatives designated as cash flow hedges:        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Interest expense, net (2.4) (2.7) (6.9) (7.5)
Net foreign currency transaction (loss) gain 0.0 (0.4) (1.0) 0.1
Derivatives designated as cash flow hedges: | Derivatives designated as cash flow hedges: | Interest expense, net        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Gain (Loss) on Hedging 0.1 0.3 0.2 0.9
Derivatives designated as cash flow hedges: | Derivatives designated as cash flow hedges: | Net foreign currency transaction (loss) gain        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Gain (Loss) on Hedging 0.0 0.0 0.0 0.0
Derivatives designated as cash flow hedges: | Derivatives designated as cash flow hedges: | Foreign Exchange Option        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Net gain (loss) recognized in other comprehensive (loss) income, net of tax 0.1 (1.7) (0.3) 0.4
Net gain reclassified from accumulated other comprehensive income (loss) into income, net of tax, effective portion to interest expense, net 0.1 0.3 0.2 0.9
Derivatives designated as cash flow hedges: | Derivatives designated as fair value hedges:        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Interest expense, net (2.4) (2.7) (6.9) (7.5)
Net foreign currency transaction (loss) gain 0.0 (0.4) (1.0) 0.1
Derivatives designated as cash flow hedges: | Derivatives designated as fair value hedges: | Interest expense, net        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Gain (Loss) on Hedging 0.3 0.2 0.8 0.8
Derivatives designated as cash flow hedges: | Derivatives designated as fair value hedges: | Net foreign currency transaction (loss) gain        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Gain (Loss) on Hedging 0.4 (2.5) (7.9) (0.6)
Derivatives designated as cash flow hedges: | Derivatives designated as fair value hedges: | Foreign Exchange Option        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Net gain (loss) recognized in other comprehensive (loss) income, net of tax 3.1 0.6 1.2 0.9
Net gain reclassified from accumulated other comprehensive income (loss) into income, net of tax, effective portion to interest expense, net 2.9 0.3 0.7 0.8
Derivatives designated as cash flow hedges: | Derivatives designated as net investment hedges:        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Interest expense, net (2.4) (2.7) (6.9) (7.5)
Derivatives designated as cash flow hedges: | Derivatives designated as net investment hedges: | Interest expense, net        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Gain (Loss) on Hedging 0.2 0.2 0.7 0.7
Derivatives designated as cash flow hedges: | Derivatives designated as net investment hedges: | Foreign Exchange Option        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Net gain (loss) recognized in other comprehensive (loss) income, net of tax (2.1) (1.8) (6.3) 0.2
Net gain reclassified from accumulated other comprehensive income (loss) into income, net of tax, effective portion to interest expense, net (2.5) 0.2 0.7 0.7
Derivatives not designated as hedging instruments: | Foreign Exchange Option        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Net gain recognized in income $ (0.2) $ (1.9) $ (8.3) $ 1.0
v3.25.3
Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Feb. 21, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Debt securities $ 12.3 $ 12.3  
Equity securities 20.0 20.0  
Fair value of total debt 266.9 235.9  
Carrying value of total debt $ 238.7 $ 199.5  
Redeemable Preferred Stock      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Debt securities     $ 12.1
Nonredeemable Preferred Stock      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Equity securities     12.2
Warrant      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Equity securities     $ 7.8
v3.25.3
Fair Value Measurements - Schedule of Debt and Equity Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Fair Value Disclosures [Abstract]    
Available-for-sale debt securities, cost $ 12.1 $ 12.1
Equity securities, cost 20.0 20.0
Total debt and equity securities, cost 32.1 32.1
Available-for-sale debt securities, fair value 12.3 12.3
Equity securities, fair value 20.0 20.0
Total debt and equity securities, fair value 32.3 32.3
Available-for-sale debt securities, gross unrealized gains 0.2 0.2
Available-for-sale debt securities, gross unrealized losses $ 0.0 $ 0.0
v3.25.3
Fair Value Measurements - Schedule of Maturities of Debt Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Cost    
After 5 years through 10 years $ 12.1  
Total debt securities 12.1 $ 12.1
Fair Value    
After 5 years through 10 years 12.3  
Total debt securities $ 12.3 $ 12.3
v3.25.3
Fair Value Measurements -Schedule of Assets and Liabilities Subject to Fair Value Measurements (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Equity securities $ 20.0 $ 20.0
Debt securities 12.3 12.3
Total assets 35.4 36.6
Total liabilities 18.7 0.2
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Equity securities 0.0 0.0
Debt securities 0.0 0.0
Total assets 0.0 0.0
Total liabilities 0.0 0.0
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Equity securities 0.0 0.0
Debt securities 0.0 0.0
Total assets 3.1 4.3
Total liabilities 18.7 0.2
Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Equity securities 20.0 20.0
Debt securities 12.3 12.3
Total assets 32.3 32.3
Total liabilities 0.0 0.0
Foreign currency forward contracts    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward contracts 0.7 0.8
Derivative liability 0.0  
Foreign currency forward contracts | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward contracts 0.0 0.0
Derivative liability 0.0  
Foreign currency forward contracts | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward contracts 0.7 0.8
Derivative liability 0.0  
Foreign currency forward contracts | Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward contracts 0.0 0.0
Derivative liability 0.0  
Cross-currency swaps    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative asset 2.4 3.4
Derivative liability 17.9  
Cross-currency swaps | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative asset 0.0 0.0
Derivative liability 0.0  
Cross-currency swaps | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative asset 2.4 3.4
Derivative liability 17.9  
Cross-currency swaps | Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative asset 0.0 0.0
Derivative liability 0.0  
Interest rate swaps    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative asset   0.1
Derivative liability 0.8 0.2
Interest rate swaps | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative asset   0.0
Derivative liability 0.0 0.0
Interest rate swaps | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative asset   0.1
Derivative liability 0.8 0.2
Interest rate swaps | Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative asset   0.0
Derivative liability $ 0.0 $ 0.0
v3.25.3
Commitments and Contingencies (Details) - Oxygenator Water Techs vs. Tennant Company - Judicial Ruling - USD ($)
$ in Millions
Sep. 17, 2025
Nov. 25, 2024
Sep. 30, 2025
Dec. 31, 2024
Loss Contingencies [Line Items]        
Amount awarded to other party $ 20.2 $ 9.8    
Prejudgment interest award to other party   $ 4.7    
Loss contingency accrual     $ 5.3 $ 14.5
Amount awarded to other party, enhanced damages percent 30.00%      
Compensatory Damages        
Loss Contingencies [Line Items]        
Amount awarded to other party $ 9.8      
Enhanced Damages        
Loss Contingencies [Line Items]        
Amount awarded to other party 2.9      
Prejudgment Interest        
Loss Contingencies [Line Items]        
Amount awarded to other party $ 7.4      
v3.25.3
Shareholders' Equity (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance $ 653.7 $ 625.9 $ 622.1 $ 578.3
Total other comprehensive (loss) income, net of tax (0.5) 11.0 38.6 (3.0)
Ending balance 642.7 648.5 642.7 648.5
Foreign currency translation adjustments attributable to noncontrolling interests     0.5  
Total        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (33.6) (56.3) (72.7) (42.3)
Other comprehensive income before reclassifications     40.2 (0.6)
Amounts reclassified from accumulated other comprehensive loss     (1.6) (2.4)
Total other comprehensive (loss) income, net of tax     38.6 (3.0)
Ending balance (34.1) (45.3) (34.1) (45.3)
Foreign Currency Translation Adjustments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance     (75.2) (45.6)
Other comprehensive income before reclassifications     39.3 (1.7)
Amounts reclassified from accumulated other comprehensive loss     (0.7) (0.7)
Total other comprehensive (loss) income, net of tax     38.6 (2.4)
Ending balance (36.6) (48.0) (36.6) (48.0)
Pension and Post- Retirement Medical Benefits        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance     2.8 3.7
Other comprehensive income before reclassifications     0.0 (0.2)
Amounts reclassified from accumulated other comprehensive loss     0.0 0.0
Total other comprehensive (loss) income, net of tax     0.0 (0.2)
Ending balance 2.8 3.5 2.8 3.5
Derivative Financial Instruments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance     (0.5) (0.4)
Other comprehensive income before reclassifications     0.9 1.3
Amounts reclassified from accumulated other comprehensive loss     (0.9) (1.7)
Total other comprehensive (loss) income, net of tax     0.0 (0.4)
Ending balance (0.5) $ (0.8) (0.5) $ (0.8)
Unrealized Gain on Debt Securities        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance     0.2  
Other comprehensive income before reclassifications     0.0  
Amounts reclassified from accumulated other comprehensive loss     0.0  
Total other comprehensive (loss) income, net of tax     0.0  
Ending balance $ 0.2   $ 0.2  
v3.25.3
Income Taxes (Details)
$ in Millions
 9 Months Ended
Sep. 30, 2025
USD ($)
Income Tax Contingency [Line Items]  
Unrecognized tax benefits, ending balance $ 6.5
Unrecognized tax benefits, income tax penalties and interest accrued, total 1.0
Unrecognized tax benefits $ 4.8
Minimum  
Income Tax Contingency [Line Items]  
Open tax year, term (year) 3 years
Maximum  
Income Tax Contingency [Line Items]  
Open tax year, term (year) 5 years
v3.25.3
Share-Based Compensation (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]        
Share-based payment arrangement, expense $ 2.8 $ 4.1 $ 8.6 $ 9.4
Share-based payment arrangement, tax benefit     $ 0.2 $ 3.0
v3.25.3
Income Attributable to Tennant Company Per Share - Schedule of Computations of Basic and Diluted Earnings per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Numerator:        
Net income $ 14.9 $ 20.8 $ 48.2 $ 77.1
Denominator:        
Basic - weighted average shares outstanding (in shares) 18,314,488 18,810,267 18,507,222 18,790,824
Effect of dilutive securities (in shares) 233,236 283,606 215,031 329,631
Diluted - weighted average shares outstanding (in shares) 18,547,724 19,093,873 18,722,253 19,120,455
Basic earnings per share (in dollars per share) $ 0.81 $ 1.11 $ 2.60 $ 4.10
Diluted earnings per share (in dollars per share) $ 0.80 $ 1.09 $ 2.57 $ 4.03
v3.25.3
Income Attributable to Tennant Company Per Share - Narrative (Details) - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Earnings Per Share [Abstract]        
Antidilutive securities (in shares) 44,322 4,124 153,540 88,992
v3.25.3
Segment Reporting (Details)
 9 Months Ended
Sep. 30, 2025
segment
Segment Reporting [Abstract]  
Number of reportable segments 1