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

Income Taxes - Components of Income Tax Expense (Detail)

v3.19.1
Income Taxes - Components of Income Tax Expense (Detail) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Income before income taxes:      
Domestic $ 196.4 $ 155.1 $ 172.2
Foreign 104.2 19.2 194.8
Income before income taxes 300.6 174.3 367.0
Current:      
Domestic (26.6) (14.8) (15.2)
Foreign (6.5) (69.4) (36.0)
Current income tax expense (33.1) (84.2) (51.2)
Deferred:      
Domestic (1.3) (1.8) (4.0)
Foreign (37.4) 57.8 (35.3)
Deferred income tax (expense) benefit (38.7) 56.0 (39.3)
Total income tax expense $ (71.8) $ (28.2) $ (90.5)