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Warranty (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Product Warranty Accrual [Roll Forward]      
Balance at beginning of year $ 63,525 $ 54,568 $ 50,602
Current year provisions 27,645 27,622 23,679
Costs incurred (34,346) (25,778) (25,053)
Warranty reserves of acquired businesses 0 6,995 7,535
Foreign currency translation adjustment 2,138 118 (2,195)
Balance at end of year $ 58,962 $ 63,525 $ 54,568