COVER - shares	3 Months Ended
COVER - shares	Jun. 30, 2025	Jul. 16, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2025
Document Transition Report	false
Entity File Number	0-29174
Entity Registrant Name	LOGITECH INTERNATIONAL S.A.
Entity Incorporation, State or Country Code	V8
Entity Address, Address Line One	1015 Lausanne
Entity Address, Country	CH
Entity Address, Address Line Two	c/o Logitech Inc.
Entity Address, Address Line Three	3930 North First Street
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95134
City Area Code	510
Local Phone Number	795-8500
Title of 12(b) Security	Registered Shares
Trading Symbol	LOGI
Security Exchange Name	NASDAQ
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		147,296,376
Entity Central Index Key	0001032975
Amendment Flag	false
Current Fiscal Year End Date	--03-31
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q1

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Net sales	$ 1,147,703	$ 1,088,217
Cost of goods sold	666,592	619,517
Amortization of intangible assets	2,149	2,442
Gross profit	478,962	466,258
Operating expenses:
Marketing and selling	195,796	196,905
Research and development	74,587	75,307
General and administrative	41,797	37,458
Amortization of intangible assets and acquisition-related costs	2,646	2,703
Restructuring charges, net	2,042	386
Total operating expenses	316,868	312,759
Operating income	162,094	153,499
Interest income	11,229	15,790
Other income (expense), net	1,162	(1,898)
Income before income taxes	174,485	167,391
Provision for income taxes	28,470	25,558
Net income	$ 146,015	$ 141,833
Net income per share:
Basic (in dollars per share)	$ 0.99	$ 0.93
Diluted (in dollars per share)	$ 0.98	$ 0.92
Weighted average shares used to compute net income per share:
Basic (in shares)	147,864	153,300
Diluted (in shares)	149,053	154,978

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 146,015	$ 141,833
Currency translation gain (loss):
Currency translation gain (loss), net of taxes	27,293	(5,219)
Defined benefit plans:
Reclassification of amortization included in other income (expense), net	(157)	(200)
Hedging gain (loss):
Deferred hedging gain (loss), net of taxes	(12,349)	1,582
Reclassification of hedging loss (gain) included in cost of goods sold	2,002	(733)
Total other comprehensive income (loss)	16,789	(4,570)
Total comprehensive income	$ 162,804	$ 137,263

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025
Current assets:
Cash and cash equivalents	$ 1,487,822	$ 1,503,205
Accounts receivable, net	636,523	454,546
Inventories	499,770	503,747
Other current assets	154,106	131,211
Total current assets	2,778,221	2,592,709
Non-current assets:
Property, plant and equipment, net	116,103	113,858
Goodwill	465,790	463,230
Other intangible assets, net	20,324	24,630
Other assets	362,525	344,077
Total assets	3,742,963	3,538,504
Current liabilities:
Accounts payable	549,936	414,586
Accrued and other current liabilities	672,788	686,503
Total current liabilities	1,222,724	1,101,089
Non-current liabilities:
Income taxes payable	97,074	88,483
Other non-current liabilities	235,913	221,512
Total liabilities	1,555,711	1,411,084
Commitments and contingencies (Note 10)
Shareholders’ equity:
Registered shares, CHF 0.25 par value Issued shares: 168,994 at June 30, 2025 and March 31, 2025	29,432	29,432
Additional paid-in capital	64,604	82,591
Shares in treasury, at cost Treasury shares: 21,443 and 20,485 at June 30, 2025 and March 31, 2025, respectively	(1,536,190)	(1,464,912)
Retained earnings	3,759,569	3,627,261
Accumulated other comprehensive loss	(130,163)	(146,952)
Total shareholders’ equity	2,187,252	2,127,420
Total liabilities and shareholders’ equity	$ 3,742,963	$ 3,538,504

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - SFr / shares	Jun. 30, 2025	Mar. 31, 2025
Statement of Financial Position [Abstract]
Shares, par value (in CHF per share)	SFr 0.25	SFr 0.25
Shares issued (in shares)	168,994,142	168,994,000
Treasury, at cost, shares (in shares)	21,442,654	20,485,000

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income	$ 146,015	$ 141,833
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	15,064	14,506
Amortization of intangible assets	4,795	5,079
Loss on investments	393	1,186
Share-based compensation expense	32,828	23,405
Deferred income taxes	12,113	11,662
Other	(25)	(24)
Changes in assets and liabilities:
Accounts receivable, net	(166,767)	(53,952)
Inventories	17,304	(39,095)
Other assets	(19,817)	4,907
Accounts payable	135,003	109,028
Accrued and other liabilities	(51,861)	(42,506)
Net cash provided by operating activities	125,045	176,029
Cash flows from investing activities:
Purchases of property, plant and equipment	(16,276)	(14,586)
Purchases of deferred compensation investments	(3,261)	(695)
Proceeds from sales of deferred compensation investments	1,738	738
Other investing activities	(301)	(816)
Net cash used in investing activities	(18,100)	(15,359)
Cash flows from financing activities:
Purchases of registered shares	(121,657)	(130,899)
Proceeds from exercises of stock options and purchase rights	3,262	4,618
Tax withholdings related to net share settlements of restricted stock units	(16,038)	(18,853)
Net cash used in financing activities	(134,433)	(145,134)
Effect of exchange rate changes on cash and cash equivalents	12,105	(1,998)
Net increase (decrease) in cash and cash equivalents	(15,383)	13,538
Cash and cash equivalents, beginning of the period	1,503,205	1,520,842
Cash and cash equivalents, end of the period	1,487,822	1,534,380
Non-cash investing and financing activities:
Property, plant and equipment purchased during the period and included in period end liability accounts	8,565	8,130
Right-of-use assets obtained in exchange for operating lease liabilities	1,221	4,292
Supplemental cash flow information:
Income taxes paid, net	$ 28,772	$ 10,374

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Registered Shares	Additional Paid-in Capital	Treasury Shares	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning of the period (in shares) at Mar. 31, 2024		173,106,000
Beginning of the period at Mar. 31, 2024	$ 2,233,653	$ 30,148	$ 63,524	$ (1,351,336)	$ 3,602,519	$ (111,202)
Beginning of the period (in shares) at Mar. 31, 2024				19,243,000
Increase (Decrease) in Shareholders' Equity
Total comprehensive income	137,263				141,833	(4,570)
Purchases of registered shares (in shares)				1,444,000
Purchases of registered shares	(132,132)			$ (132,132)
Sales of shares upon exercise of stock options and purchase rights (in shares)				(57,000)
Sales of shares upon exercise of stock options and purchase rights	4,618		(1,539)	$ 6,157
Issuance of shares upon vesting of restricted stock units (in shares)				(540,000)
Issuance of shares upon vesting of restricted stock units	(18,853)		(29,335)	$ 59,260	(48,778)
Share-based compensation	24,386		24,386
End of the period (in shares) at Jun. 30, 2024		173,106,000
End of the period at Jun. 30, 2024	$ 2,248,935	$ 30,148	57,036	$ (1,418,051)	3,695,574	(115,772)
End of the period (in shares) at Jun. 30, 2024				20,090,000
Beginning of the period (in shares) at Mar. 31, 2025	168,994,000	168,994,000
Beginning of the period at Mar. 31, 2025	$ 2,127,420	$ 29,432	82,591	$ (1,464,912)	3,627,261	(146,952)
Beginning of the period (in shares) at Mar. 31, 2025	20,485,000			20,485,000
Increase (Decrease) in Shareholders' Equity
Total comprehensive income	$ 162,804				146,015	16,789
Purchases of registered shares (in shares)				1,531,000
Purchases of registered shares	(124,135)			$ (124,135)
Sales of shares upon exercise of stock options and purchase rights (in shares)				(41,000)
Sales of shares upon exercise of stock options and purchase rights	3,262		(479)	$ 3,741
Issuance of shares upon vesting of restricted stock units (in shares)				(532,000)
Issuance of shares upon vesting of restricted stock units	(16,038)		(51,447)	$ 49,116	(13,707)
Share-based compensation	$ 33,939		33,939
End of the period (in shares) at Jun. 30, 2025	168,994,142	168,994,000
End of the period at Jun. 30, 2025	$ 2,187,252	$ 29,432	$ 64,604	$ (1,536,190)	$ 3,759,569	$ (130,163)
End of the period (in shares) at Jun. 30, 2025	21,442,654			21,443,000

The Company and Summary of Significant Accounting Policies and Estimates	3 Months Ended
	Jun. 30, 2025
Accounting Policies [Abstract]
The Company and Summary of Significant Accounting Policies and Estimates	The Company and Summary of Significant Accounting Policies and Estimates The Company Logitech International S.A., together with its consolidated subsidiaries ("Logitech" or the "Company"), designs software-enabled hardware solutions that help businesses thrive and bring people together when working, creating, and gaming. As the point of connection between people and the digital world, the Company's mission is to extend human potential in work and play, in a way that is good for people and the planet. The Company sells its products to a broad range of international customers, including direct sales to retailers, e-tailers, businesses large and small and end consumers through the Company's e-commerce platform, and indirect sales to end customers through distributors. Logitech was founded in Switzerland in 1981 and Logitech International S.A. has been the parent holding company of Logitech since 1988. Logitech International S.A. is a Swiss holding company with its registered office in Hautemorges, Switzerland, and headquarters in Lausanne, Switzerland, which conducts its business through subsidiaries in the Americas, Europe, Middle East and Africa ("EMEA") and Asia Pacific. Shares of Logitech International S.A. are listed on both the SIX Swiss Exchange under the trading symbol LOGN and the Nasdaq Global Select Market under the trading symbol LOGI. Basis of Presentation The condensed consolidated financial statements include the accounts of Logitech and its subsidiaries. All intercompany balances and transactions have been eliminated. The condensed consolidated financial statements are presented in accordance with accounting principles generally accepted in the United States ("U.S. GAAP") for interim financial information and therefore do not include all the information required by U.S. GAAP for complete financial statements. The condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements for the fiscal year ended March 31, 2025, included in its Annual Report on Form 10-K filed with the Securities and Exchange Commission ("SEC") on May 23, 2025. In the opinion of management, these condensed consolidated financial statements include all adjustments, consisting of only normal and recurring adjustments, necessary and in all material aspects, for a fair statement of the results of operations, comprehensive income, financial position, cash flows and changes in shareholders' equity for the periods presented. Operating results for the three months ended June 30, 2025 are not necessarily indicative of the results that may be expected for the fiscal year ending March 31, 2026, or any future periods. Changes in Significant Accounting Policies There have been no material changes in the Company’s significant accounting policies during the three months ended June 30, 2025 compared with the significant accounting policies described in its Annual Report on Form 10-K for the fiscal year ended March 31, 2025. Use of Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make judgments, estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Significant estimates and assumptions made by management involve the fair value of goodwill and intangible assets acquired from business acquisitions, pension obligations, accruals for customer incentives, cooperative marketing, and pricing programs and related breakage when appropriate, inventory valuation, share-based compensation expense, uncertain tax positions, and valuation allowances for deferred tax assets. Although these estimates are based on management’s best knowledge of current events and actions that may impact the Company in the future, actual results could differ materially from those estimates. Risks and Uncertainties Impacts of Macroeconomic and Geopolitical Conditions on the Company's Business In 2025, the United States introduced trade policy actions that have increased import tariffs across a wide range of countries at various rates, with certain exemptions. These tariff policies in the U.S. and responsive policies enacted in other countries are evolving. The incremental tariffs have had and may continue to have an adverse impact on the Company's result of operations. In addition, the Company's business has continued to be impacted by ongoing macroeconomic and geopolitical conditions. These conditions include inflation, interest rate and foreign currency fluctuations, uncertainty in consumer and enterprise demand, low economic growth in certain regions, changes in fiscal policies and geopolitical conflicts. The global and regional economic and political conditions, as well as changes in trade policies, have caused and may continue to cause volatility in demand for the Company's products as well as the cost of tariffs, materials and logistics, and transportation delays, and as a result have impacted and may continue to impact the pricing of the Company's products, product availability and the Company's results of operations. New Accounting Pronouncements Not Yet Adopted In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. ASU 2023-09 requires additional disclosures related to rate reconciliation, income taxes paid, and other disclosures. Under ASU 2023-09, for each annual period presented, public entities are required to (1) disclose specific categories in the tabular rate reconciliation and (2) provide additional information for reconciling items that meet a quantitative threshold. In addition, ASU 2023-09 requires all reporting entities to disclose on an annual basis the amount of income taxes paid disaggregated by federal, state, and foreign taxes as well as the amount of income taxes paid by individual jurisdiction. ASU 2023-09 is effective for public business entities for annual periods beginning after December 15, 2024 and can be applied on a prospective basis with an option to apply the standard retrospectively. Early adoption is permitted. The Company is currently evaluating the impact of ASU 2023-09 on its consolidated financial statements and related disclosures. In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. ASU 2024-03 requires all public entities to disclose in the notes to the financial statements the amounts of purchases of inventory, employee compensation, depreciation, and intangible asset amortization included in each expense caption of the income statement. ASU 2024-03 is effective for fiscal years beginning after December 15, 2026 and interim periods within fiscal years beginning after December 15, 2027. ASU 2024-03 can be applied either prospectively or retrospectively. Early adoption is permitted. The Company is currently evaluating the impact of ASU 2024-03 on its consolidated financial statements and related disclosures.

Net Income Per Share

3 Months Ended

Jun. 30, 2025

Earnings Per Share [Abstract]

Net Income Per Share

The following table summarizes the computations of basic and diluted net income per share for the three months ended June 30, 2025 and 2024 (in thousands except per share amounts):


	Three Months Ended June 30,
	2025		2024
Net income	$	146,015	$	141,833

Shares used in net income per share computation:
Weighted average shares outstanding - basic	147,864		153,300
Effect of potentially dilutive equivalent shares	1,189		1,678
Weighted average shares outstanding - diluted	149,053		154,978

Net income per share:
Basic	$	0.99	$	0.93
Diluted	$	0.98	$	0.92

Share equivalents attributable to outstanding stock options, restricted stock units, and employee share purchase plans totaling 1.6 million and 1.1 million for the three months ended June 30, 2025 and 2024, respectively, were excluded from the calculation of diluted net income per share because their effect would have been antidilutive. A small number of performance-based restricted stock units were not included in the dilutive net income per share calculation because all necessary conditions had not been satisfied by the end of the respective period, and those shares were not issuable if the end of the reporting period were the end of the performance contingency period.

Employee Benefit Plans

3 Months Ended

Jun. 30, 2025

Share-Based Payment Arrangement [Abstract]

Employee Benefit Plans

Employee Share Purchase Plans and Stock Incentive Plans

As of June 30, 2025, the Company offers the 2006 Employee Share Purchase Plan (Non-U.S.), as amended and restated, the 1996 Employee Share Purchase Plan (U.S.), as amended and restated, and the 2006 Stock Incentive Plan, as amended and restated. Shares issued to employees as a result of purchases or exercises under these plans are generally issued from shares held in treasury stock.

The following table summarizes share-based compensation expense and total income tax benefit recognized for the three months ended June 30, 2025 and 2024 (in thousands):


	Three Months Ended June 30,
	2025		2024
Cost of goods sold	$	2,380	$	2,598
Marketing and selling	13,930		11,851
Research and development	6,351		5,739
General and administrative	10,167		3,217

Total share-based compensation expense	32,828		23,405
Income tax benefit	(4,906)		(7,602)
Total share-based compensation expense, net of income tax benefit	$	27,922	$	15,803

The income tax benefit in the respective periods primarily consisted of tax benefits related to the share-based compensation expense for the period and direct tax benefit realized, including net excess tax benefits recognized from share-based awards vested or exercised during the period.

Share-based compensation costs capitalized as part of inventory were $2.8 million and $2.5 million for the three months ended June 30, 2025 and 2024, respectively.

Defined Benefit Plans

Certain subsidiaries of the Company sponsor defined benefit pension plans or non-retirement post-employment benefits covering substantially all of their employees. Benefits are provided based on employees’ years of service and earnings, or in accordance with applicable employee benefit regulations. The Company’s practice is to fund amounts sufficient to meet the requirements set forth in the applicable employee benefit and tax regulations. The costs of $1.7 million recorded for each of the three months ended June 30, 2025 and 2024 were primarily related to service costs.

Income Taxes	3 Months Ended
Income Taxes	Jun. 30, 2025
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company is incorporated in Switzerland but operates in various countries with differing tax laws and rates. Further, a portion of the Company’s income before taxes and the provision for income taxes is generated outside of Switzerland. The income tax provision for the three months ended June 30, 2025 was $28.5 million based on an effective income tax rate of 16.3% of pre-tax income. The income tax provision for the same period ended June 30, 2024 was $25.6 million based on an effective income tax rate of 15.3% of pre-tax income. The change in the effective income tax rate for the three months ended June 30, 2025, compared with the three months ended June 30, 2024, was primarily due to the change in the mix of income and losses in the various tax jurisdictions in which the Company operates, less tax incentives for foreign derived intangible income and R&D as compared to prior period, and less benefit on stock based compensation as compared to prior period, offset with a change in uncertain tax positions. On July 4, 2025, the One Big Beautiful Bill Act (the "OBBBA") was enacted into law in the United States and will be generally effective for the Company beginning in fiscal year 2027. The OBBBA includes numerous provisions that affect corporate taxation, impacting areas such as R&D expensing, bonus depreciation, and international tax provisions. The Company has reviewed the provisions of the OBBBA to determine the potential impact on the Company's financial statements. Based on this review, and considering the Company's current tax position and operations, at this time the Company does not expect the OBBBA to have a material impact on its income taxes, including current and deferred tax balances and the effective tax rate. However, the Company is still in the process of evaluating the full impact of the OBBBA and any material changes to the Company's assessment will be disclosed in future filings as required. For the three months ended June 30, 2025, the Company assessed its exposure to the OECD Pillar Two global minimum tax rules. The Company has determined that, for the fiscal year 2026, most jurisdictions in which it operates should qualify for the transitional Country-by-Country Reporting ("CbCR") safe harbor, as outlined in the OECD Administrative Guidance and enacted domestic legislation. The Company's CbCR has been prepared in accordance with the requirements for a Qualified CbCR, using qualified financial statements. Based on this data, most jurisdictions continue to meet safe harbor qualifications at 16% tax rates, and therefore, the Company is only required to perform a detailed Pillar Two top-up tax calculation for limited jurisdictions. The estimated top up tax for fiscal year 2026 is not material and has been included in the calculation of the Company's annual effective tax rate. The OECD and participating countries continue to issue underlying rules and administrative guidance related to Pillar Two, and the Company continues to monitor the relevant developments.

- Definition

The entire disclosure for income tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Balance Sheet Components

3 Months Ended

Jun. 30, 2025

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

The following table presents the components of certain balance sheet asset amounts (in thousands):


	June 30, 2025		March 31, 2025
Accounts receivable, net:
Accounts receivable	$	920,172	$	708,693

Allowance for cooperative marketing arrangements	(45,679)		(44,457)
Allowance for customer incentive programs	(77,367)		(66,564)
Allowance for pricing programs	(120,165)		(105,876)
Other allowances	(40,438)		(37,250)
	$	636,523	$	454,546
Inventories:
Raw materials	$	47,123	$	48,699
Finished goods	452,647		455,048
	$	499,770	$	503,747
Other current assets:
Value-added tax ("VAT") receivables	$	41,556	$	46,332
Prepaid expenses and other assets	112,550		84,879
	$	154,106	$	131,211
Property, plant and equipment, net:
Property, plant and equipment	$	562,038	$	543,747
Less: accumulated depreciation and amortization	(445,935)		(429,889)
	$	116,103	$	113,858
Other assets:
Deferred tax assets	$	212,516	$	202,180
Right-of-use assets	76,647		75,239
Investments for deferred compensation plan	33,657		29,006
Investments in privately held companies	27,888		27,980
Other assets	11,817		9,672
	$	362,525	$	344,077

The following table presents the components of certain balance sheet liability amounts (in thousands):


	June 30, 2025		March 31, 2025
Accrued and other current liabilities:
Accrued customer marketing, pricing and incentive programs	$	203,412	$	173,401
Accrued personnel expenses	134,992		180,763
Warranty liabilities	35,637		34,428
Deferred revenue (1)	29,768		25,798
VAT Payable	27,406		29,648
Accrued sales return liability	24,576		27,913
Accrued loss for inventory purchase commitments	23,466		19,614
Income taxes payable	19,261		26,841


Operating lease liabilities	16,746		15,780


Other current liabilities	157,524		152,317
	$	672,788	$	686,503
Other non-current liabilities:
Operating lease liabilities	$	76,883	$	76,622
Employee benefit plan obligations	61,887		57,338
Deferred revenue (1)	43,382		38,216
Obligation for deferred compensation plan	33,657		29,006
Warranty liabilities	14,569		14,756

Other non-current liabilities	5,535		5,574
	$	235,913	$	221,512

(1) Includes deferred revenue for post-contract customer support and other services.

Fair Value Measurements

3 Months Ended

Jun. 30, 2025

Fair Value Disclosures [Abstract]

Fair Value Measurements

The Company considers fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. The Company utilizes the following three-level fair value hierarchy to establish the priorities of the inputs used to measure fair value:

•Level 1 — Quoted prices in active markets for identical assets or liabilities.

•Level 2 — Observable inputs other than quoted market prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active; or other inputs that are observable or can be corroborated by observable market data.

•Level 3 — Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. This includes certain pricing models, discounted cash flow methodologies and similar techniques that use significant unobservable inputs.

The following table presents the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis, excluding assets related to the Company’s defined benefit pension plans, classified by the level within the fair value hierarchy (in thousands):


	June 30, 2025						March 31, 2025
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	822,300	$	—	$	—	$	852,467	$	—	$	—
Investments for deferred compensation plan included in other assets:
Cash	$	108	$	—	$	—	$	90	$	—	$	—
Common stock	762		—		—		540		—		—
Money market funds	7,906		—		—		7,359		—		—
Mutual funds	24,881		—		—		21,017		—		—
Total investments for deferred compensation plan	$	33,657	$	—	$	—	$	29,006	$	—	$	—

Currency derivative assets included in other current assets	$	—	$	731	$	—	$	—	$	90	$	—

Liabilities:


Currency derivative liabilities included in accrued and other current liabilities	$	—	$	10,038	$	—	$	—	$	2,849	$	—

Investments for Deferred Compensation Plan

The marketable securities for the Company's deferred compensation plan were recorded at a fair value of $33.7 million and $29.0 million, as of June 30, 2025 and March 31, 2025, respectively, based on quoted market prices. Quoted market prices are observable inputs that are classified as Level 1 within the fair value hierarchy. Unrealized gains (losses) related to marketable securities for the three months ended June 30, 2025 and 2024 were not material and were included in other income (expense), net and corresponding changes in the deferred compensation liability were included in operating expenses and cost of goods sold, in the Company's condensed consolidated statements of operations.

Equity Method Investments

The Company has certain non-marketable investments included in other assets that are accounted for as equity method investments, with a carrying value of $18.3 million and $18.4 million as of June 30, 2025 and March 31, 2025, respectively. Income (loss) related to equity method investments for the three months ended June 30, 2025 and 2024 was not material and is included in other income (expense), net in the Company's condensed consolidated statements of operations. There was no impairment of equity method investments during the three months ended June 30, 2025 and 2024.

Assets Measured at Fair Value on a Nonrecurring Basis

Financial Assets

The Company has certain equity investments without readily determinable fair values due to the absence of quoted market prices, the inherent lack of liquidity, and the fact that inputs used to measure fair value are unobservable and require management's judgment. When certain events or circumstances indicate that impairment may exist, the Company revalues the investments using various assumptions, including the financial metrics and ratios of comparable public companies. The carrying value is also adjusted for observable price changes with the same or similar security from the same issuer. The amount of these equity investments without readily determinable fair value included in other assets was $8.8 million as of June 30, 2025 and March 31, 2025. There was no impairment of these equity investments during the three months ended June 30, 2025 and the impairment charges related to the equity investments were not material during the three months ended June 30, 2024.

Non-Financial Assets

Goodwill, intangible assets, and property, plant and equipment, are not required to be measured at fair value on a recurring basis. However, if the Company is required to evaluate these non-financial assets for impairment, whether due to certain triggering events or because of the required annual impairment test, and a resulting impairment is recorded to reduce the carrying value to the fair value, the non-financial assets are measured at fair value during such period. There was no impairment of non-financial assets during the three months ended June 30, 2025 and 2024.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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+ Details

Derivative Financial Instruments

3 Months Ended

Jun. 30, 2025

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Under certain agreements with the respective counterparties to the Company’s derivative contracts, subject to applicable requirements, the Company is allowed to net settle transactions of the same type with a single net amount payable by one party to the other. However, the Company presents its derivative assets and derivative liabilities on a gross basis in other current assets and accrued and other current liabilities, respectively, on the condensed consolidated balance sheets as of June 30, 2025 and March 31, 2025. See Note 6 for the fair values of the Company’s derivative instruments as of June 30, 2025 and March 31, 2025.

Cash Flow Hedges

The Company enters into cash flow hedge contracts to protect against exchange rate exposure of forecasted inventory purchases. Previously, the hedge contracts covered inventory purchases within four months. Beginning in the first quarter of fiscal year 2026, they cover inventory purchases up to twelve months, with reduced coverage beyond four months. Gains and losses in the fair value of the effective portion of the hedges are deferred as a component of accumulated other comprehensive income (loss) until the hedged inventory purchases are sold, at which time the gains or losses are reclassified to cost of goods sold. Cash flows from such hedges are classified as operating activities in the condensed consolidated statements of cash flows. Hedging relationships are discontinued when the hedging contract is no longer eligible for hedge accounting, or is sold, terminated or exercised, or when the Company removes hedge designation for the contract. Gains and losses in the fair value of the effective portion of the discontinued hedges continue to be reported in accumulated other comprehensive income (loss) until the hedged inventory purchases are sold, unless it is probable that the forecasted inventory purchases will not occur by the end of the originally specified time period or within an additional two-month period of time thereafter.

The notional amounts of foreign currency exchange forward contracts outstanding related to forecasted inventory purchases were $314.8 million and $74.6 million as of June 30, 2025 and March 31, 2025, respectively. The Company had $13.4 million of net loss related to its cash flow hedges included in accumulated other comprehensive loss as of June 30, 2025, which will be reclassified into earnings within the next twelve months.

The following table presents the amounts of gain (loss) on the Company’s derivative instruments designated as hedging instruments for the three months ended June 30, 2025 and 2024 and their locations on its condensed consolidated statements of operations and condensed consolidated statements of comprehensive income (in thousands):


	Three Months Ended June 30,
	Amount of Gain (Loss) Deferred as a Component of Accumulated Other Comprehensive Loss				Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive Loss to Costs of Goods Sold
	2025		2024		2025		2024
Cash flow hedges	$	(12,349)	$	1,582	$	2,002	$	(733)

The Company presents the earnings impact from forward points in the same line item that is used to present the earnings impact of the hedged item, i.e., cost of goods sold, for hedging forecasted inventory purchases and such amount is not material for all periods presented.

Other Derivatives

The Company also enters into foreign currency exchange forward and swap contracts to reduce the short-term effects of currency exchange rate fluctuations on certain receivables or payables denominated in currencies other than the functional currencies of its subsidiaries. These contracts generally mature within approximately one month. The primary risk managed by using forward and swap contracts is the currency exchange rate risk. The gains or losses on these contracts are not material and included in other income (expense), net, in the condensed consolidated statements of operations based on the changes in fair value. The notional amounts of these contracts outstanding as of June 30, 2025 and March 31, 2025 were $156.9 million and $131.8 million, respectively.

The fair value of all foreign currency exchange forward and swap contracts is determined based on observable market transactions of spot currency rates and forward rates. Cash flows from these contracts are classified as operating activities in the condensed consolidated statements of cash flows.

- Definition

The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.

+ References

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+ Details

Goodwill and Other Intangible Assets

3 Months Ended

Jun. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

The Company conducts its impairment analysis of goodwill annually at December 31 or more frequently if changes in facts and circumstances indicate that it is more likely than not that the fair value of the Company’s reporting unit may be less than its carrying amount. There have been no triggering events identified affecting the valuation of goodwill and intangible assets during the three months ended June 30, 2025 and 2024.

The following table summarizes the activities in the Company’s goodwill balance (in thousands):


As of March 31, 2025	$	463,230


Effects of foreign currency translation	2,560
As of June 30, 2025	$	465,790

The Company's acquired intangible assets were as follows (in thousands):


	June 30, 2025						March 31, 2025
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Trademarks and trade names	$	32,390	$	(29,409)	$	2,981	$	32,390	$	(28,675)	$	3,715
Developed technology	107,421		(98,596)		8,825		107,421		(96,464)		10,957
Customer contracts/relationships	69,087		(60,543)		8,544		69,087		(58,646)		10,441

Effects of foreign currency translation	619		(645)		(26)		(620)		137		(483)
Total	$	209,517	$	(189,193)	$	20,324	$	208,278	$	(183,648)	$	24,630

Financing Arrangements	3 Months Ended
Financing Arrangements	Jun. 30, 2025
Debt Disclosure [Abstract]
Financing Arrangements	Financing Arrangements On January 27, 2025, the Company entered into an unsecured revolving credit facility with a syndicate of banks (the "Credit Agreement"). The Credit Agreement provides a revolving line of credit of up to $750.0 million to the Company including the issuance of letters of credit of up to $100.0 million. The Credit Agreement terminates on January 27, 2030 unless extended in accordance with its terms. The Credit Agreement contains (1) an increase option allowing the Company to secure up to $250.0 million of additional commitments and (2) an extension option to extend the term by one-year which may be exercised no more than two times, subject to certain requirements. Loans under the Credit Agreement are available in U.S. Dollars, Euro, Sterling, Yen, Swiss Francs, Canadian Dollars, Australian Dollars and any other currency agreed to by each lender. Proceeds of loans made under the Credit Agreement may be used for general corporate purposes. The Credit Agreement contains a maximum net debt to adjusted EBITDA ratio, compliance with which is a condition to the Company's ability to borrow. Borrowings under the Credit Agreement will bear interest at a rate determined by reference to benchmark rates plus an applicable spread (ranging from 0% to 1.5%) based on the Company's net leverage ratio or credit rating at the time of the borrowing. Undrawn balances available under the Credit Agreement are subject to commitment fees at the applicable rate determined by reference to the Company's net leverage ratio or credit rating. There has been no borrowing outstanding under the Credit Agreement as of June 30, 2025. In addition, the Company had several uncommitted, unsecured bank lines of credit and letters of credit aggregating to $174.3 million and $172.2 million as of June 30, 2025 and March 31, 2025, respectively. There are no financial covenants under the lines of credit with which the Company must comply. There was no borrowing outstanding under the lines of credit as of June 30, 2025 or March 31, 2025. As of June 30, 2025 and March 31, 2025, the Company had outstanding bank guarantees of $22.1 million and $12.1 million, respectively.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Commitments and Contingencies

3 Months Ended

Jun. 30, 2025

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Product Warranties

Changes in the Company’s warranty liabilities for the three months ended June 30, 2025 and 2024 were as follows (in thousands):


	Three Months Ended June 30,
	2025		2024
Beginning of the period	$	49,184	$	44,654

Provision	8,622		10,186
Settlements	(8,249)		(10,038)
Effects of foreign currency translation	649		(300)
End of the period	$	50,206	$	44,502

Indemnifications

The Company indemnifies certain of its suppliers and customers for losses arising from matters such as intellectual property disputes and product safety defects, subject to certain restrictions. The scope of these indemnities varies, but in some instances includes indemnification for damages and expenses, including reasonable attorneys’ fees. As of June 30, 2025, no material amounts have been accrued for these indemnification provisions. The Company does not believe, based on historical experience and information currently available, that it is probable that any material amounts will be required to be paid under its indemnification arrangements.

The Company also indemnifies its current and former directors and certain of its current and former officers. Certain costs incurred for providing such indemnification may be recoverable under various insurance policies. The Company is unable to reasonably estimate the maximum amount that could be payable under these arrangements because these exposures are not limited, the obligations are conditional in nature, and the facts and circumstances involved in any situation that might arise are variable.

Legal Proceedings

From time to time the Company is involved in claims and legal proceedings that arise in the ordinary course of its business. The Company is currently subject to several such claims and legal proceedings. The Company intends to vigorously defend against them. Management periodically assesses the Company’s liabilities and contingencies in connection with these matters based upon the latest information available. The Company follows ASC ("Accounting Standards Codification") 450, Contingencies, in determining the accounting and disclosure for these contingencies. Based on currently available information, the Company does not believe that resolution of pending matters will have a material adverse effect on its financial condition, cash flows, and results of operations. However, litigation is subject to inherent uncertainties, and there can be no assurances that the Company's defenses will be successful or that any such lawsuit or claim would not have a material adverse impact on the Company's business, financial condition, cash flows and results of operations in a particular period. Any claims or proceedings against the Company can have an adverse impact because of defense costs, diversion of management and operational resources, negative publicity, and other factors. Any failure to obtain a necessary license or other rights, or litigation arising out of intellectual property claims, could adversely affect the Company's business.

Shareholders' Equity

3 Months Ended

Jun. 30, 2025

Stockholders' Equity Note [Abstract]

Shareholders' Equity

Shareholders’ Equity

Share Capital

As of June 30, 2025, the Company's nominal share capital is CHF 42.2 million, consisting of 168,994,142 issued shares with a par value of CHF 0.25 each, of which 21,442,654 were held in treasury shares.

The capital band under Swiss law allows a company's board of directors to adjust the company's share capital within a predefined range based on a general authority granted by the company's shareholders. At the 2023 Annual General Meeting ("AGM"), the Company's shareholders approved an amendment to the Company’s Articles of Incorporation to introduce a capital band provision authorizing the Board of Directors to adjust the Company's share capital, without additional shareholder approval, within a range of 155,795,958 registered shares to 190,417,282 registered shares for the five-year period ending on September 13, 2028. In addition, the Company has reserved conditional capital (1) up to 25,000,000 shares for potential issuance for the exercise of rights granted under the Company's employee equity incentive plans, and (2) up to 25,000,000 shares for issuance to cover any conversion rights under any potential future convertible bond issuance.

Share Repurchases

In June 2023, the Company's Board of Directors approved a three-year share repurchase program, which allows the Company to use up to $1.0 billion to repurchase its shares. The 2023 share repurchase program enables the Company to repurchase shares for cancellation, as well as to support equity incentive plans or potential acquisitions. The Swiss Takeover Board approved the 2023 share repurchase program in July 2023 and the program became effective on July 28, 2023. In March 2025, the Company's Board of Directors approved an increase of $600.0 million to the 2023 share repurchase program, to an aggregate amount of $1.6 billion. The Swiss Takeover Board approved this increase in April 2025 and it became effective on April 2, 2025. As of June 30, 2025, $524.3 million was available for repurchase under the 2023 share repurchase program.

The following table summarizes the Company's share repurchase activities for the three months ended June 30, 2025 and 2024 were as follows (in thousands):


	Three Months Ended June 30,
	2025		2024
2023 Share Repurchase Program:
Number of shares repurchased (1)	1,531		1,444
Aggregate cost of shares repurchased (1) (2)	$	124,135	$	132,132

(1) All shares were repurchased for cancellation.

(2) Includes an aggregate cost of $21.2 million and $20.8 million, respectively, that was not yet paid as of June 30, 2025 and 2024.

Swiss law limits a company’s ability to hold or repurchase its own shares. The aggregate par value of all shares held in treasury by the Company and its subsidiaries may not exceed 10% of the share capital of the Company, which for the Company corresponds to approximately 16.9 million registered shares as of June 30, 2025. This limitation does not apply to shares repurchased for cancellation, due to the Board of Directors’ authority under the Company’s capital band set forth in the Company’s Articles of Incorporation. As of June 30, 2025, the Company had a total of 21.4 million shares held in treasury stock, which includes 8.2 million shares that have been repurchased for cancellation and 13.2 million shares that have been purchased to support equity incentive plans or potential acquisitions.

To the extent that the shares are repurchased to support equity incentive plans or potential acquisitions, the shares are repurchased on the ordinary trading line of SIX Swiss Exchange (“SIX”) and/or The Nasdaq Global Select Market (“Nasdaq”). Shares repurchased for cancellation purposes are repurchased on a second trading line on SIX. Shares may be repurchased from time to time on the open market or in privately negotiated transactions, including under plans complying with the provisions of Rule 10b5-1 and Rule 10b-18 of the Securities Exchange Act of 1934, as amended. Purchases may be started or stopped at any time without prior notice depending on market conditions and other factors and the program does not require the purchase of any minimum number of shares.

Share Cancellation

In June 2025, the Company's Board of Directors approved the cancellation of 8.2 million treasury shares, which were repurchased under the 2023 share repurchase program in fiscal year 2025 and the first quarter of fiscal year 2026, for an aggregate cost of $712.2 million. The cancellation is expected to take effect in the second quarter of fiscal year 2026. When the cancellation becomes effective, the number of registered shares issued and the number of treasury shares will both decrease by 8.2 million shares, and the Company will deduct the par value from registered shares and reflect the excess of share repurchase cost over par value as a reduction to retained earnings.

Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss were as follows (in thousands):



	Currency Translation Adjustment		Defined Benefit Plans		Deferred Hedging Losses		Total
March 31, 2025	$	(118,652)	$	(25,276)	$	(3,024)	$	(146,952)
Other comprehensive income (loss)	27,293		(157)		(10,347)		16,789
June 30, 2025	$	(91,359)	$	(25,433)	$	(13,371)	$	(130,163)

- Definition

The entire disclosure for equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 19: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Segment Information

3 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Segment Information

The Company manages its business activities on a consolidated basis and operates as a single operating segment: Peripherals. The operating segment encompasses the design, manufacturing and sales of peripherals for gaming, PCs, tablets, video conferencing, and other digital platforms. The Company's Chief Operating Decision Maker (the “CODM”) is the Chief Executive Officer. The CODM periodically reviews information such as sales and net income to make business decisions and evaluate performance. The CODM uses net income to evaluate income generated from segment assets (return on assets) in deciding whether to reinvest profits into the Peripherals segment or into other parts of the entity, such as for acquisitions, share repurchase or to pay dividends. The CODM also monitors budget versus actual net income results.

The following table presents segment revenue, significant segment expenses, and net income (in thousands):


	Three Months Ended June 30,
	2025		2024
Net sales	$	1,147,703	$	1,088,217
Less: Significant segment expenses
Cost of goods sold (1)	664,212		616,919
Marketing and selling (1)	181,866		185,054
Research and development (1)	68,236		69,568
General and administrative (1)	31,630		34,241
Less: other segment items
Share-based compensation expense	32,828		23,405
Amortization of intangible assets and acquisition-related costs	4,795		5,145
Interest income	(11,229)		(15,790)
Other (2)	880		2,284
Provision for income taxes	28,470		25,558
Net income	$	146,015	$	141,833

(1) The difference between the amounts included in the table above and the amounts included in the condensed consolidated statements of operations is related to share-based compensation expense (see Note 3).

(2) Includes restructuring charges, net, and other income (expense), net.

Sales by product category for the three months ended June 30, 2025 and 2024 were as follows (in thousands):


	Three Months Ended June 30,
	2025		2024
Gaming (1)	$	315,875	$	309,475
Keyboards & Combos	222,492		215,333
Pointing Devices	195,780		189,946
Video Collaboration	166,716		147,042
Webcams	84,374		72,904
Tablet Accessories	91,227		78,539
Headsets	45,523		44,236
Other (2)	25,716		30,742
Total Sales	$	1,147,703	$	1,088,217

(1) Gaming includes streaming services revenue generated by Streamlabs.

(2) Other primarily consists of mobile speakers and PC speakers.

Sales by geographic region (based on the customers’ locations) for the three months ended June 30, 2025 and 2024 were as follows (in thousands):


	Three Months Ended June 30,
	2025		2024
Americas	$	461,690	$	485,289
EMEA	346,840		309,817
Asia Pacific	339,173		293,111
Total Sales	$	1,147,703	$	1,088,217

Revenue from sales to customers in the United States, China and Germany each represented 10% or more of the total consolidated sales for the periods presented herein. No other countries represented 10% or more of the Company’s total consolidated sales for the periods presented herein.

Switzerland, the Company’s country of domicile, represented 3% and 2% of the Company's total consolidated sales for the three months ended June 30, 2025 and 2024, respectively.

Three customers of the Company each represented 10% or more of the total consolidated gross sales for each of the three months ended June 30, 2025 and 2024.

Property, plant and equipment, net (excluding software) and right-of-use assets by geographic region were as follows (in thousands):


	June 30, 2025		March 31, 2025
Americas	$	59,862	$	61,521
EMEA	51,773		47,874
Asia Pacific	62,866		60,710
Total	$	174,501	$	170,105

Property, plant and equipment, net (excluding software) and right-of-use assets in the United States and China were $58.3 million and $45.5 million, respectively, as of June 30, 2025. Property, plant and equipment, net (excluding software) and right-of-use assets in the United States and China were $60.0 million and $43.4 million, respectively, as of March 31, 2025.

Property, plant and equipment, net (excluding software) and right-of-use assets in Switzerland, the Company’s country of domicile, were $26.9 million and $24.1 million as of June 30, 2025 and March 31, 2025, respectively. No

other countries represented more than 10% of the Company’s total property, plant and equipment, net (excluding software) and right-of-use assets as of June 30, 2025 or March 31, 2025.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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+ Details

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Pay vs Performance Disclosure
Net income	$ 146,015	$ 141,833

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Jun. 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

The Company and Summary of Significant Accounting Policies and Estimates (Policies)	3 Months Ended
	Jun. 30, 2025
Accounting Policies [Abstract]
Basis of Presentation and Changes in Significant Accounting Policies	Basis of Presentation The condensed consolidated financial statements include the accounts of Logitech and its subsidiaries. All intercompany balances and transactions have been eliminated. The condensed consolidated financial statements are presented in accordance with accounting principles generally accepted in the United States ("U.S. GAAP") for interim financial information and therefore do not include all the information required by U.S. GAAP for complete financial statements. The condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements for the fiscal year ended March 31, 2025, included in its Annual Report on Form 10-K filed with the Securities and Exchange Commission ("SEC") on May 23, 2025. In the opinion of management, these condensed consolidated financial statements include all adjustments, consisting of only normal and recurring adjustments, necessary and in all material aspects, for a fair statement of the results of operations, comprehensive income, financial position, cash flows and changes in shareholders' equity for the periods presented. Operating results for the three months ended June 30, 2025 are not necessarily indicative of the results that may be expected for the fiscal year ending March 31, 2026, or any future periods. Changes in Significant Accounting Policies There have been no material changes in the Company’s significant accounting policies during the three months ended June 30, 2025 compared with the significant accounting policies described in its Annual Report on Form 10-K for the fiscal year ended March 31, 2025.
Use of Estimates	Use of EstimatesThe preparation of financial statements in conformity with U.S. GAAP requires management to make judgments, estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Significant estimates and assumptions made by management involve the fair value of goodwill and intangible assets acquired from business acquisitions, pension obligations, accruals for customer incentives, cooperative marketing, and pricing programs and related breakage when appropriate, inventory valuation, share-based compensation expense, uncertain tax positions, and valuation allowances for deferred tax assets. Although these estimates are based on management’s best knowledge of current events and actions that may impact the Company in the future, actual results could differ materially from those estimates.
Risks and Uncertainties	Risks and Uncertainties Impacts of Macroeconomic and Geopolitical Conditions on the Company's Business In 2025, the United States introduced trade policy actions that have increased import tariffs across a wide range of countries at various rates, with certain exemptions. These tariff policies in the U.S. and responsive policies enacted in other countries are evolving. The incremental tariffs have had and may continue to have an adverse impact on the Company's result of operations. In addition, the Company's business has continued to be impacted by ongoing macroeconomic and geopolitical conditions. These conditions include inflation, interest rate and foreign currency fluctuations, uncertainty in consumer and enterprise demand, low economic growth in certain regions, changes in fiscal policies and geopolitical conflicts. The global and regional economic and political conditions, as well as changes in trade policies, have caused and may continue to cause volatility in demand for the Company's products as well as the cost of tariffs, materials and logistics, and transportation delays, and as a result have impacted and may continue to impact the pricing of the Company's products, product availability and the Company's results of operations.
New Accounting Pronouncements Not Yet Adopted	New Accounting Pronouncements Not Yet Adopted In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. ASU 2023-09 requires additional disclosures related to rate reconciliation, income taxes paid, and other disclosures. Under ASU 2023-09, for each annual period presented, public entities are required to (1) disclose specific categories in the tabular rate reconciliation and (2) provide additional information for reconciling items that meet a quantitative threshold. In addition, ASU 2023-09 requires all reporting entities to disclose on an annual basis the amount of income taxes paid disaggregated by federal, state, and foreign taxes as well as the amount of income taxes paid by individual jurisdiction. ASU 2023-09 is effective for public business entities for annual periods beginning after December 15, 2024 and can be applied on a prospective basis with an option to apply the standard retrospectively. Early adoption is permitted. The Company is currently evaluating the impact of ASU 2023-09 on its consolidated financial statements and related disclosures. In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. ASU 2024-03 requires all public entities to disclose in the notes to the financial statements the amounts of purchases of inventory, employee compensation, depreciation, and intangible asset amortization included in each expense caption of the income statement. ASU 2024-03 is effective for fiscal years beginning after December 15, 2026 and interim periods within fiscal years beginning after December 15, 2027. ASU 2024-03 can be applied either prospectively or retrospectively. Early adoption is permitted. The Company is currently evaluating the impact of ASU 2024-03 on its consolidated financial statements and related disclosures.

- Definition

Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478671/942-235-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-05(b)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-12

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-9

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 275
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-Name Accounting Standards Codification
-Section 55
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482836/275-10-55-6

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-6

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147482861/275-10-50-4

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-SubTopic 10
-Topic 275
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-1

+ Details

Net Income Per Share (Tables)

3 Months Ended

Jun. 30, 2025

Earnings Per Share [Abstract]

Schedule of Computations of Basic and Diluted Net Income Per Share

The following table summarizes the computations of basic and diluted net income per share for the three months ended June 30, 2025 and 2024 (in thousands except per share amounts):


	Three Months Ended June 30,
	2025		2024
Net income	$	146,015	$	141,833

Shares used in net income per share computation:
Weighted average shares outstanding - basic	147,864		153,300
Effect of potentially dilutive equivalent shares	1,189		1,678
Weighted average shares outstanding - diluted	149,053		154,978

Net income per share:
Basic	$	0.99	$	0.93
Diluted	$	0.98	$	0.92

Employee Benefit Plans (Tables)

3 Months Ended

Jun. 30, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Compensation Expenses and Related Tax Benefits Recognized

The following table summarizes share-based compensation expense and total income tax benefit recognized for the three months ended June 30, 2025 and 2024 (in thousands):


	Three Months Ended June 30,
	2025		2024
Cost of goods sold	$	2,380	$	2,598
Marketing and selling	13,930		11,851
Research and development	6,351		5,739
General and administrative	10,167		3,217

Total share-based compensation expense	32,828		23,405
Income tax benefit	(4,906)		(7,602)
Total share-based compensation expense, net of income tax benefit	$	27,922	$	15,803

Balance Sheet Components (Tables)

3 Months Ended

Jun. 30, 2025

Balance Sheet Related Disclosures [Abstract]

Schedule of Components of Certain Balance Sheet Asset Amounts

The following table presents the components of certain balance sheet asset amounts (in thousands):


	June 30, 2025		March 31, 2025
Accounts receivable, net:
Accounts receivable	$	920,172	$	708,693

Allowance for cooperative marketing arrangements	(45,679)		(44,457)
Allowance for customer incentive programs	(77,367)		(66,564)
Allowance for pricing programs	(120,165)		(105,876)
Other allowances	(40,438)		(37,250)
	$	636,523	$	454,546
Inventories:
Raw materials	$	47,123	$	48,699
Finished goods	452,647		455,048
	$	499,770	$	503,747
Other current assets:
Value-added tax ("VAT") receivables	$	41,556	$	46,332
Prepaid expenses and other assets	112,550		84,879
	$	154,106	$	131,211
Property, plant and equipment, net:
Property, plant and equipment	$	562,038	$	543,747
Less: accumulated depreciation and amortization	(445,935)		(429,889)
	$	116,103	$	113,858
Other assets:
Deferred tax assets	$	212,516	$	202,180
Right-of-use assets	76,647		75,239
Investments for deferred compensation plan	33,657		29,006
Investments in privately held companies	27,888		27,980
Other assets	11,817		9,672
	$	362,525	$	344,077

Schedule of Components of Certain Balance Sheet Liability Amounts

The following table presents the components of certain balance sheet liability amounts (in thousands):


	June 30, 2025		March 31, 2025
Accrued and other current liabilities:
Accrued customer marketing, pricing and incentive programs	$	203,412	$	173,401
Accrued personnel expenses	134,992		180,763
Warranty liabilities	35,637		34,428
Deferred revenue (1)	29,768		25,798
VAT Payable	27,406		29,648
Accrued sales return liability	24,576		27,913
Accrued loss for inventory purchase commitments	23,466		19,614
Income taxes payable	19,261		26,841


Operating lease liabilities	16,746		15,780


Other current liabilities	157,524		152,317
	$	672,788	$	686,503
Other non-current liabilities:
Operating lease liabilities	$	76,883	$	76,622
Employee benefit plan obligations	61,887		57,338
Deferred revenue (1)	43,382		38,216
Obligation for deferred compensation plan	33,657		29,006
Warranty liabilities	14,569		14,756

Other non-current liabilities	5,535		5,574
	$	235,913	$	221,512

(1) Includes deferred revenue for post-contract customer support and other services.

Fair Value Measurements (Tables)

3 Months Ended

Jun. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities, Classified by Level

The following table presents the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis, excluding assets related to the Company’s defined benefit pension plans, classified by the level within the fair value hierarchy (in thousands):


	June 30, 2025						March 31, 2025
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	822,300	$	—	$	—	$	852,467	$	—	$	—
Investments for deferred compensation plan included in other assets:
Cash	$	108	$	—	$	—	$	90	$	—	$	—
Common stock	762		—		—		540		—		—
Money market funds	7,906		—		—		7,359		—		—
Mutual funds	24,881		—		—		21,017		—		—
Total investments for deferred compensation plan	$	33,657	$	—	$	—	$	29,006	$	—	$	—

Currency derivative assets included in other current assets	$	—	$	731	$	—	$	—	$	90	$	—

Liabilities:


Currency derivative liabilities included in accrued and other current liabilities	$	—	$	10,038	$	—	$	—	$	2,849	$	—

Derivative Financial Instruments (Tables)

3 Months Ended

Jun. 30, 2025

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Gains on Derivative Instruments

The following table presents the amounts of gain (loss) on the Company’s derivative instruments designated as hedging instruments for the three months ended June 30, 2025 and 2024 and their locations on its condensed consolidated statements of operations and condensed consolidated statements of comprehensive income (in thousands):


	Three Months Ended June 30,
	Amount of Gain (Loss) Deferred as a Component of Accumulated Other Comprehensive Loss				Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive Loss to Costs of Goods Sold
	2025		2024		2025		2024
Cash flow hedges	$	(12,349)	$	1,582	$	2,002	$	(733)

Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Jun. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Activity in Goodwill Balance

The following table summarizes the activities in the Company’s goodwill balance (in thousands):


As of March 31, 2025	$	463,230


Effects of foreign currency translation	2,560
As of June 30, 2025	$	465,790

Schedule of Intangible Assets Subject to Amortization

The Company's acquired intangible assets were as follows (in thousands):


	June 30, 2025						March 31, 2025
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Trademarks and trade names	$	32,390	$	(29,409)	$	2,981	$	32,390	$	(28,675)	$	3,715
Developed technology	107,421		(98,596)		8,825		107,421		(96,464)		10,957
Customer contracts/relationships	69,087		(60,543)		8,544		69,087		(58,646)		10,441

Effects of foreign currency translation	619		(645)		(26)		(620)		137		(483)
Total	$	209,517	$	(189,193)	$	20,324	$	208,278	$	(183,648)	$	24,630

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 24
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482548/350-20-55-24

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A

Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-2

+ Details

Commitments and Contingencies (Tables)

3 Months Ended

Jun. 30, 2025

Commitments and Contingencies Disclosure [Abstract]

Schedule of Changes in Warranty Liabilities

Changes in the Company’s warranty liabilities for the three months ended June 30, 2025 and 2024 were as follows (in thousands):


	Three Months Ended June 30,
	2025		2024
Beginning of the period	$	49,184	$	44,654

Provision	8,622		10,186
Settlements	(8,249)		(10,038)
Effects of foreign currency translation	649		(300)
End of the period	$	50,206	$	44,502

Shareholders' Equity (Tables)

3 Months Ended

Jun. 30, 2025

Stockholders' Equity Note [Abstract]

Accelerated Share Repurchases

The following table summarizes the Company's share repurchase activities for the three months ended June 30, 2025 and 2024 were as follows (in thousands):


	Three Months Ended June 30,
	2025		2024
2023 Share Repurchase Program:
Number of shares repurchased (1)	1,531		1,444
Aggregate cost of shares repurchased (1) (2)	$	124,135	$	132,132

(1) All shares were repurchased for cancellation.

(2) Includes an aggregate cost of $21.2 million and $20.8 million, respectively, that was not yet paid as of June 30, 2025 and 2024.

Schedule of Components of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss were as follows (in thousands):



	Currency Translation Adjustment		Defined Benefit Plans		Deferred Hedging Losses		Total
March 31, 2025	$	(118,652)	$	(25,276)	$	(3,024)	$	(146,952)
Other comprehensive income (loss)	27,293		(157)		(10,347)		16,789
June 30, 2025	$	(91,359)	$	(25,433)	$	(13,371)	$	(130,163)

Segment Information (Tables)

3 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Revenue, Gross Profit, and Net Income

The following table presents segment revenue, significant segment expenses, and net income (in thousands):


	Three Months Ended June 30,
	2025		2024
Net sales	$	1,147,703	$	1,088,217
Less: Significant segment expenses
Cost of goods sold (1)	664,212		616,919
Marketing and selling (1)	181,866		185,054
Research and development (1)	68,236		69,568
General and administrative (1)	31,630		34,241
Less: other segment items
Share-based compensation expense	32,828		23,405
Amortization of intangible assets and acquisition-related costs	4,795		5,145
Interest income	(11,229)		(15,790)
Other (2)	880		2,284
Provision for income taxes	28,470		25,558
Net income	$	146,015	$	141,833

(1) The difference between the amounts included in the table above and the amounts included in the condensed consolidated statements of operations is related to share-based compensation expense (see Note 3).

(2) Includes restructuring charges, net, and other income (expense), net.

Schedule of Net Sales by Product Categories, Excluding Intercompany Transactions

Sales by product category for the three months ended June 30, 2025 and 2024 were as follows (in thousands):


	Three Months Ended June 30,
	2025		2024
Gaming (1)	$	315,875	$	309,475
Keyboards & Combos	222,492		215,333
Pointing Devices	195,780		189,946
Video Collaboration	166,716		147,042
Webcams	84,374		72,904
Tablet Accessories	91,227		78,539
Headsets	45,523		44,236
Other (2)	25,716		30,742
Total Sales	$	1,147,703	$	1,088,217

(1) Gaming includes streaming services revenue generated by Streamlabs.

(2) Other primarily consists of mobile speakers and PC speakers.

Schedule of Net Sales by Geographic Region

Sales by geographic region (based on the customers’ locations) for the three months ended June 30, 2025 and 2024 were as follows (in thousands):


	Three Months Ended June 30,
	2025		2024
Americas	$	461,690	$	485,289
EMEA	346,840		309,817
Asia Pacific	339,173		293,111
Total Sales	$	1,147,703	$	1,088,217

Schedule of Long-Lived Assets by Geographic Region

Property, plant and equipment, net (excluding software) and right-of-use assets by geographic region were as follows (in thousands):


	June 30, 2025		March 31, 2025
Americas	$	59,862	$	61,521
EMEA	51,773		47,874
Asia Pacific	62,866		60,710
Total	$	174,501	$	170,105

Net Income Per Share - Computations of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Net income
Net income	$ 146,015	$ 141,833
Net income	$ 146,015	$ 141,833
Shares used in net income per share computation:
Weighted average shares outstanding - basic (in shares)	147,864	153,300
Effect of potentially dilutive equivalent shares (in shares)	1,189	1,678
Weighted average shares outstanding - diluted (in shares)	149,053	154,978
Net income per share:
Basic (in dollars per share)	$ 0.99	$ 0.93
Diluted (in dollars per share)	$ 0.98	$ 0.92

Net Income Per Share - Narrative (Details) - shares shares in Millions	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share [Abstract]
Anti-dilutive equivalents shares excluded (in shares)	1.6	1.1

Employee Benefit Plans - Share-based Compensation Expenses and Related Tax Benefits Recognized (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Share-based compensation expense and related tax benefit
Total share-based compensation expense	$ 32,828	$ 23,405
Income tax benefit	(4,906)	(7,602)
Total share-based compensation expense, net of income tax benefit	27,922	15,803
Cost of goods sold
Share-based compensation expense and related tax benefit
Total share-based compensation expense	2,380	2,598
Marketing and selling
Share-based compensation expense and related tax benefit
Total share-based compensation expense	13,930	11,851
Research and development
Share-based compensation expense and related tax benefit
Total share-based compensation expense	6,351	5,739
General and administrative
Share-based compensation expense and related tax benefit
Total share-based compensation expense	$ 10,167	$ 3,217

Employee Benefit Plans - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]
Share-based compensation expenses capitalized as inventory	$ 2.8	$ 2.5
Net periodic benefit cost	$ 1.7	$ 1.7

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 28,470	$ 25,558
Effective income tax rates (as a percent)	16.30%	15.30%

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-4

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-21

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-14

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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+ Details

Balance Sheet Components - Components of Certain Balance Sheet Asset Amounts (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025
Accounts receivable, net:
Accounts receivable	$ 920,172	$ 708,693
Accounts receivable, net	636,523	454,546
Inventories:
Raw materials	47,123	48,699
Finished goods	452,647	455,048
Inventory, net	499,770	503,747
Other current assets:
Value-added tax ("VAT") receivables	41,556	46,332
Prepaid expenses and other assets	112,550	84,879
Other current assets, net	154,106	131,211
Property, plant and equipment, net:
Property, plant and equipment	562,038	543,747
Less: accumulated depreciation and amortization	(445,935)	(429,889)
Property, plant and equipment, net	116,103	113,858
Other assets:
Deferred tax assets	212,516	202,180
Right-of-use assets	76,647	75,239
Investments for deferred compensation plan	33,657	29,006
Other assets	11,817	9,672
Other assets, net	362,525	344,077
Deferred compensation
Other assets:
Investments in privately held companies	27,888	27,980
Allowance for cooperative marketing arrangements
Accounts receivable, net:
Valuation allowance for accounts receivable	(45,679)	(44,457)
Allowance for customer incentive programs
Accounts receivable, net:
Valuation allowance for accounts receivable	(77,367)	(66,564)
Allowance for pricing programs
Accounts receivable, net:
Valuation allowance for accounts receivable	(120,165)	(105,876)
Other allowances
Accounts receivable, net:
Valuation allowance for accounts receivable	$ (40,438)	$ (37,250)

Balance Sheet Components - Components of Certain Balance Sheet Liability Amounts (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025
Accrued and other current liabilities:
Accrued customer marketing, pricing and incentive programs	$ 203,412	$ 173,401
Accrued personnel expenses	134,992	180,763
Warranty liabilities	35,637	34,428
Deferred revenue	29,768	25,798
VAT Payable	27,406	29,648
Accrued sales return liability	24,576	27,913
Accrued loss for inventory purchase commitments	23,466	19,614
Income taxes payable	19,261	26,841
Operating lease liabilities	16,746	15,780
Other current liabilities	157,524	152,317
Accrued and other current liabilities	672,788	686,503
Other non-current liabilities:
Operating lease liabilities	76,883	76,622
Employee benefit plan obligations	61,887	57,338
Deferred revenue	43,382	38,216
Obligation for deferred compensation plan	33,657	29,006
Warranty liabilities	14,569	14,756
Other non-current liabilities	5,535	5,574
Non-current liabilities	$ 235,913	$ 221,512

Fair Value Measurements - Financial Assets and Liabilities, Classified by Level (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025
Deferred compensation
Assets:
Investments in privately held companies	$ 27,888	$ 27,980
Recurring \| Level 1
Assets:
Cash equivalents	822,300	852,467
Investments in privately held companies	33,657	29,006
Currency derivative assets included in other current assets	0	0
Liabilities:
Currency derivative liabilities included in accrued and other current liabilities	0	0
Recurring \| Level 1 \| Deferred compensation \| Cash
Assets:
Investments in privately held companies	108	90
Recurring \| Level 1 \| Deferred compensation \| Common stock
Assets:
Investments in privately held companies	762	540
Recurring \| Level 1 \| Deferred compensation \| Money market funds
Assets:
Investments in privately held companies	7,906	7,359
Recurring \| Level 1 \| Deferred compensation \| Mutual funds
Assets:
Investments in privately held companies	24,881	21,017
Recurring \| Level 2
Assets:
Cash equivalents	0	0
Investments in privately held companies	0	0
Currency derivative assets included in other current assets	731	90
Liabilities:
Currency derivative liabilities included in accrued and other current liabilities	10,038	2,849
Recurring \| Level 2 \| Deferred compensation \| Cash
Assets:
Investments in privately held companies	0	0
Recurring \| Level 2 \| Deferred compensation \| Common stock
Assets:
Investments in privately held companies	0	0
Recurring \| Level 2 \| Deferred compensation \| Money market funds
Assets:
Investments in privately held companies	0	0
Recurring \| Level 2 \| Deferred compensation \| Mutual funds
Assets:
Investments in privately held companies	0	0
Recurring \| Level 3
Assets:
Cash equivalents	0	0
Investments in privately held companies	0	0
Currency derivative assets included in other current assets	0	0
Liabilities:
Currency derivative liabilities included in accrued and other current liabilities	0	0
Recurring \| Level 3 \| Deferred compensation \| Cash
Assets:
Investments in privately held companies	0	0
Recurring \| Level 3 \| Deferred compensation \| Common stock
Assets:
Investments in privately held companies	0	0
Recurring \| Level 3 \| Deferred compensation \| Money market funds
Assets:
Investments in privately held companies	0	0
Recurring \| Level 3 \| Deferred compensation \| Mutual funds
Assets:
Investments in privately held companies	$ 0	$ 0

Fair Value Measurements - Narrative (Details) - USD ($)	3 Months Ended
Fair Value Measurements - Narrative (Details) - USD ($)	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity method investments	$ 18,300,000		$ 18,400,000
Impairment of non-marketable investments	0	$ 0
Equity investments included in other assets	8,800,000		8,800,000
Financial assets impairment charges	0	0
Impairment of non-financial assets	0	$ 0
Recurring \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in privately held companies	$ 33,657,000		$ 29,006,000

- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References + Details

Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2025	Mar. 31, 2025
Foreign exchange forward \| Cash flow hedges \| Designated as hedging instruments
Derivative [Line Items]
Derivative term of contract	4 months
Derivative, notional amount	$ 314.8	$ 74.6
Cash flow hedge gain to be reclassified within twelve months	$ (13.4)
Foreign exchange forward \| Cash flow hedges \| Designated as hedging instruments \| Maximum
Derivative [Line Items]
Derivative term of contract	12 months
Foreign exchange forward and swap \| Not designated as hedging instrument
Derivative [Line Items]
Derivative term of contract	1 month
Derivative, notional amount	$ 156.9	$ 131.8

Derivative Financial Instruments - Gains and Losses on Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Amounts of gains and losses on the derivative instruments
Amount of Gain (Loss) Deferred as a Component of Accumulated Other Comprehensive Loss	$ (12,349)	$ 1,582
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive Loss to Costs of Goods Sold	2,002	(733)
Designated as hedging instruments \| Cash flow hedges
Amounts of gains and losses on the derivative instruments
Amount of Gain (Loss) Deferred as a Component of Accumulated Other Comprehensive Loss	(12,349)	1,582
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive Loss to Costs of Goods Sold	$ 2,002	$ (733)

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details

Goodwill and Other Intangible Assets - Schedule of Activity In Goodwill Balance (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2025 USD ($)
Goodwill
Balance at the beginning of the period	$ 463,230
Effects of foreign currency translation	2,560
Balance at the end of the period	$ 465,790

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details

Goodwill and Other Intangible Assets - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 209,517	$ 208,278
Accumulated Amortization	(189,193)	(183,648)
Net Carrying Amount	20,324	24,630
Effects of foreign currency translation, gross carrying amount	619	(620)
Effects of foreign currency translation, accumulated amortization	(645)	137
Effects of foreign currency translation, net carrying amount	(26)	(483)
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	32,390	32,390
Accumulated Amortization	(29,409)	(28,675)
Net Carrying Amount	2,981	3,715
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	107,421	107,421
Accumulated Amortization	(98,596)	(96,464)
Net Carrying Amount	8,825	10,957
Customer contracts/relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	69,087	69,087
Accumulated Amortization	(60,543)	(58,646)
Net Carrying Amount	$ 8,544	$ 10,441

Financing Arrangements (Details) - USD ($)	Jan. 27, 2025	Jun. 30, 2025	Mar. 31, 2025
Financing Arrangements
Outstanding borrowings		$ 0	$ 0
Line of credit \| Senior Unsecured Revolving Credit Facility
Financing Arrangements
Option to increase credit facility, additional amount	$ 250,000,000
Line of credit \| Senior Unsecured Revolving Credit Facility \| Minimum
Financing Arrangements
Basis spread on variable rate	0.00%
Line of credit \| Senior Unsecured Revolving Credit Facility \| Maximum
Financing Arrangements
Basis spread on variable rate	1.50%
Line of credit
Financing Arrangements
Maximum borrowing capacity		174,300,000	172,200,000
Outstanding bank guarantees		$ 22,100,000	$ 12,100,000
Revolving Credit Facility \| Line of credit \| Senior Unsecured Revolving Credit Facility
Financing Arrangements
Maximum borrowing capacity	$ 750,000,000
Letter of Credit \| Line of credit \| Senior Unsecured Revolving Credit Facility
Financing Arrangements
Maximum borrowing capacity	$ 100,000,000

Commitments and Contingencies - Schedule of Changes in Warranty Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Changes in the warranty liability:
Beginning of the period	$ 49,184	$ 44,654
Provision	8,622	10,186
Settlements	(8,249)	(10,038)
Effects of foreign currency translation	649	(300)
End of the period	$ 50,206	$ 44,502

Commitments and Contingencies - Narrative (Details)	Jun. 30, 2025 USD ($)
Indemnification Agreement
Other Commitments [Line Items]
Amount accrued for indemnification provisions	$ 0

Shareholders' Equity - Narrative (Details) SFr / shares in Units, SFr in Millions, $ in Millions	1 Months Ended			3 Months Ended
	Jun. 30, 2025 USD ($) shares	Mar. 31, 2025 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2025 CHF (SFr) SFr / shares shares	Jun. 30, 2025 USD ($) shares	Mar. 31, 2025 SFr / shares	Mar. 31, 2025 USD ($) shares
Equity, Class of Treasury Stock [Line Items]
Nominal share capital issued (CHF) \| SFr				SFr 42.2
Shares issued (in shares)				168,994,142	168,994,142		168,994,000
Shares, par value (in CHF per share) \| SFr / shares				SFr 0.25		SFr 0.25
Treasury, at cost, shares (in shares)				21,442,654	21,442,654		20,485,000
Adjusted share capital period (in years)				5 years
Maximum percentage of shares held by the company and its subsidiaries				10.00%	10.00%
Maximum shares available for purchase (in shares)				16,900,000	16,900,000
Shares acquired for cancellation (in shares)				8,200,000
Shares acquired for equity incentive plans or potential acquisitions (in shares)				13,200,000
2023 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Period for which repurchase program will remain in effect (in years)			3 years
Share repurchase, authorized amount (up to) \| $			$ 1,000.0				$ 1,600.0
Increase in authorized amount under share repurchase program \| $		$ 600.0
Amount available for repurchase \| $					$ 524.3
Cancellation of treasury shares (in shares)	8,200,000
Cancellation of treasury shares \| $	$ 712.2
Common Stock Capital Shares Reserved For Future Issuance Employee Equity Incentive Plans
Equity, Class of Treasury Stock [Line Items]
Shares that may be issued out of conditional capital (in shares)				25,000,000	25,000,000
Common Stock Capital Shares Reserved For Future Issuance Conversion Rights Under Future Convertible Bond Issuance
Equity, Class of Treasury Stock [Line Items]
Shares that may be issued out of conditional capital (in shares)				25,000,000	25,000,000
Minimum
Equity, Class of Treasury Stock [Line Items]
Number of adjusted share capital (in shares)				155,795,958	155,795,958
Maximum
Equity, Class of Treasury Stock [Line Items]
Number of adjusted share capital (in shares)				190,417,282	190,417,282

Shareholders' Equity - Schedule of Shares Repurchased (Details) - 2023 Share Repurchase Program - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased (in shares)	1,531	1,444
Aggregate purchase price	$ 124,135	$ 132,132
Aggregate cost of shares repurchased but not yet paid	$ 21,200	$ 20,800

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References + Details

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References + Details

Shareholders' Equity - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Accumulated Other Comprehensive Income (Loss)
Beginning of the period	$ 2,127,420	$ 2,233,653
Other comprehensive income (loss)	16,789	(4,570)
End of the period	2,187,252	2,248,935
Total
Accumulated Other Comprehensive Income (Loss)
Beginning of the period	(146,952)	(111,202)
End of the period	(130,163)	$ (115,772)
Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss)
Beginning of the period	(118,652)
Other comprehensive income (loss)	27,293
End of the period	(91,359)
Defined Benefit Plans
Accumulated Other Comprehensive Income (Loss)
Beginning of the period	(25,276)
Other comprehensive income (loss)	(157)
End of the period	(25,433)
Deferred Hedging Losses
Accumulated Other Comprehensive Income (Loss)
Beginning of the period	(3,024)
Other comprehensive income (loss)	(10,347)
End of the period	$ (13,371)

- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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+ Details

Segment Information - Narrative (Details) $ in Thousands	3 Months Ended
Segment Information - Narrative (Details) $ in Thousands	Jun. 30, 2025 USD ($) segment	Jun. 30, 2024	Mar. 31, 2025 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments (in segments) \| segment	1
Long lived assets	$ 174,501		$ 170,105
Switzerland
Segment Reporting Information [Line Items]
Long lived assets	26,900		24,100
United States
Segment Reporting Information [Line Items]
Long lived assets	58,300		60,000
China
Segment Reporting Information [Line Items]
Long lived assets	$ 45,500		$ 43,400
Geographic concentration \| Consolidated net sales from continuing operations \| Switzerland
Segment Reporting Information [Line Items]
Percentage of consolidated net sales	3.00%	2.00%

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References + Details

Segment Information - Segment Revenue, Gross Profit, and Net Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Net sales	$ 1,147,703	$ 1,088,217
Less: Significant segment expenses
Cost of goods sold	666,592	619,517
Marketing and selling	195,796	196,905
Research and development	74,587	75,307
General and administrative	41,797	37,458
Share-based compensation expense	32,828	23,405
Interest income	(11,229)	(15,790)
Provision for income taxes	28,470	25,558
Net income	146,015	141,833
Reportable Segment
Segment Reporting Information [Line Items]
Net sales	1,147,703	1,088,217
Less: Significant segment expenses
Cost of goods sold	664,212	616,919
Marketing and selling	181,866	185,054
Research and development	68,236	69,568
General and administrative	31,630	34,241
Share-based compensation expense	32,828	23,405
Amortization of intangible assets and acquisition-related costs	4,795	5,145
Interest income	(11,229)	(15,790)
Other	880	2,284
Provision for income taxes	28,470	25,558
Net income	$ 146,015	$ 141,833

Segment Information - Net Sales by Product Categories, Excluding Intercompany Transactions (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Net sales	$ 1,147,703	$ 1,088,217
Gaming
Segment Reporting Information [Line Items]
Net sales	315,875	309,475
Keyboards & Combos
Segment Reporting Information [Line Items]
Net sales	222,492	215,333
Pointing Devices
Segment Reporting Information [Line Items]
Net sales	195,780	189,946
Video Collaboration
Segment Reporting Information [Line Items]
Net sales	166,716	147,042
Webcams
Segment Reporting Information [Line Items]
Net sales	84,374	72,904
Tablet Accessories
Segment Reporting Information [Line Items]
Net sales	91,227	78,539
Headsets
Segment Reporting Information [Line Items]
Net sales	45,523	44,236
Other
Segment Reporting Information [Line Items]
Net sales	$ 25,716	$ 30,742

Segment Information - Net Sales and Long-Lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025
Net sales to unaffiliated customers and long-lived assets by geographic region
Total Sales	$ 1,147,703	$ 1,088,217
Property, plant and equipment, net	174,501		$ 170,105
Americas
Net sales to unaffiliated customers and long-lived assets by geographic region
Total Sales	461,690	485,289
Property, plant and equipment, net	59,862		61,521
EMEA
Net sales to unaffiliated customers and long-lived assets by geographic region
Total Sales	346,840	309,817
Property, plant and equipment, net	51,773		47,874
Asia Pacific
Net sales to unaffiliated customers and long-lived assets by geographic region
Total Sales	339,173	$ 293,111
Property, plant and equipment, net	$ 62,866		$ 60,710

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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