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v3.25.1

Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
May 25, 2023 | Jan. 31, 2025 | Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2018
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Income tax holiday, aggregate dollar amount |  |  | $ 12.0 | $ 22.5 | $ 26.7 |  |
Impact of the tax holidays, each basic and diluted net income per share (in dollars per share) |  |  | $ 0.02 | $ 0.04 | $ 0.05 |  |
Capital loss carryforward |  |  | $ 9.8 | $ 10.5 |  |  |
Tax credits, foreign jurisdictions |  |  | 9.5 |  |  |  |
TCJA transition tax for accumulated foreign earnings, percentage of liability payable each year for fiscal 2019 through fiscal 2023 |  |  |  |  |  |  | 8.00%
TCJA expected transition tax on accumulated unrepatriated foreign earnings |  |  |  |  |  |  | $ 293.6
TCJA transition tax for accumulated foreign earnings, percentage of liability payable in fiscal 2024 |  |  |  |  |  |  | 15.00%
TCJA transition tax for accumulated foreign earnings, percentage of liability payable in fiscal 2025 |  |  |  |  |  |  | 20.00%
TCJA transition tax for accumulated foreign earnings, percentage of liability payable in fiscal 2026 |  |  |  |  |  |  | 25.00%
TCJA transition tax on accumulated unrepatriated foreign earnings payable |  |  | 73.4 |  |  |  |
Unrecognized tax benefits, income tax penalties accrued |  |  | 135.8 | 104.6 |  |  |
Unrecognized tax benefits, income tax penalties and interest expense |  |  | 31.2 | 24.2 | $ 7.6 |  |
Unrecognized tax benefits |  |  | 821.2 | 792.4 | $ 848.0 | $ 804.1 |
Unrecognized tax benefits that would impact effective tax rate |  |  | 706.4 | $ 682.4 |  |  |
Foreign Tax Authority and Federal and State Jurisdiction |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  | 59.3 |  |  |  |
Tax credit carryforward, amount |  |  | $ 257.3 |  |  |  |
Foreign Tax Jurisdiction | Malaysian IRB |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Income tax, estimate of possible loss | $ 410.0 |  |  |  |  |  |
Foreign Tax Jurisdiction | German Tax Authorities (GTA) |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Income tax, estimate of possible loss |  | $ 92.0 |  |  |  |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Estimated amount of loss resulting from an adverse tax position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
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- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479360/740-10-S99-2 + Details
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