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Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
May 25, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2018
Income Tax Disclosure [Abstract] |  |  |  |  |  |
Income tax holiday, aggregate dollar amount |  | $ 22.5 | $ 26.7 | $ 22.5 |  |
Impact of the tax holidays, each basic and diluted net income per share (in dollars per share) |  | $ 0.04 | $ 0.05 | $ 0.04 |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Capital loss carryforward |  | $ 10.5 | $ 11.0 |  |  |
Tax credits, foreign jurisdictions |  | 17.8 |  |  |  |
TCJA expected transition tax on accumulated unrepatriated foreign earnings |  |  |  |  |  | $ 293.6
TCJA transition tax on accumulated unrepatriated foreign earnings payable |  | 132.1 |  |  |  |
TCJA transition tax on accumulated unrepatriated foreign earnings payable in next 12 months |  | 58.7 |  |  |  |
TCJA transition tax on accumulated unrepatriated foreign earnings payable, noncurrent |  | 73.4 |  |  |  |
TCJA transition tax for accumulated foreign earnings, percentage of liability payable each year for fiscal 2019 through fiscal 2023 |  |  |  |  |  | 8.00%
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%
Unrecognized tax benefits, income tax penalties accrued |  | 104.6 | 80.4 |  |  |
Unrecognized tax benefits, income tax penalties and interest expense |  | 24.2 | 7.6 | $ (11.2) |  |
Unrecognized Tax Benefits |  | 792.4 | 848.0 | $ 804.1 | $ 826.3 |
Unrecognized tax benefits that would impact effective tax rate |  | 682.4 | $ 729.3 |  |  |
Unrecognized tax benefits, potential decrease |  | 10.0 |  |  |  |
Foreign Tax Authority and Federal and State Jurisdiction |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Operating loss carryforwards |  | 64.8 |  |  |  |
Tax credit carryforward, amount |  | $ 250.0 |  |  |  |
Foreign Tax Authority | Malaysian IRB |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Income tax, estimate of possible loss | $ 410.0 |  |  |  |  |

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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- Definition Estimated amount of loss resulting from an adverse tax position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -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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