Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Cash Payments:
Interest	$ 21,298	$ 42,343	$ 37,610
Income Taxes	86,407	32,870	20,046
Operating Cash Flows Used for Operating Leases	8,141	10,741	14,926
Non-Cash Financing Activities:
Right-of-use Assets Obtained for Capitalized Operating Lease Liabilities	$ 2,598	$ 272	$ 621