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.

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Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income.

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Amount, after income tax refund received, of cash paid to foreign tax jurisdiction for tax on income.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
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-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Topic 740
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Income Taxes - Schedule of Income Taxes Paid (Net of Refunds) by Jurisdiction (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Income Tax Paid, by Individual Jurisdiction [Line Items]
Ireland	$ 31.8
Income Taxes Paid	85.1	$ 128.1	$ 183.1
United States
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign:	48.5
Other
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign:	$ 4.8