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, 2021
Mar. 31, 2020
Mar. 31, 2019
Income before income taxes:      
Domestic $ 241.9 $ 209.6 $ 196.4
Foreign 170.1 78.4 104.2
Income before income taxes 412.0 288.0 300.6
Current:      
Domestic (38.5) (31.1) (26.6)
Foreign 8.6 39.8 (6.5)
Current income tax (expense) benefit (29.9) 8.7 (33.1)
Deferred:      
Domestic (1.4) (4.5) (1.3)
Foreign (117.9) (50.7) (37.4)
Deferred income tax expense (119.3) (55.2) (38.7)
Total income tax expense $ (149.2) $ (46.5) $ (71.8)