Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Accounting Policies [Abstract]
Interest paid, net of amount capitalized	$ 29,700	$ 29,080	$ 32,994
Income taxes paid, net of refunds	$ 118,799	$ 160,847	$ 25,076