Leases - Summary of Lease Cost (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Lease cost:
Operating lease cost	$ 71,499	$ 65,732	$ 60,861
Short-term lease cost	10,514	5,618	4,750
Variable lease cost	8,752	7,176	8,608
Net lease cost	105,475	95,496	87,691
Finance lease cost:
Depreciation of assets obtained under finance leases	11,961	13,656	11,328
Interest on lease liabilities	$ 2,749	$ 3,314	$ 2,144