Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Income Taxes - Components of Income Tax Expense (Details)

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Income Taxes - Components of Income Tax Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Income before income taxes:      
Domestic $ 270.0 $ 295.0 $ 241.9
Foreign 453.5 348.1 170.1
Income before income taxes 723.5 643.1 412.0
Current:      
Domestic 42.9 44.4 38.5
Foreign 81.4 53.9 (8.6)
Current income tax expense 124.3 98.3 29.9
Deferred:      
Domestic 11.8 9.4 1.4
Foreign 75.4 76.3 117.9
Deferred income tax expense 87.2 85.7 119.3
Total income tax expense $ 211.5 $ 184.0 $ 149.2