Prepaid and Other Current Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Contract assets	$ 39,048	$ 38,778
Prepaid non-income taxes	23,069	22,490
Non-trade receivables	19,380	10,823
Prepaid income taxes	13,062	9,608
Other	26,034	27,732
Total	$ 120,593	$ 109,431