Income Taxes - Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
May 31, 2021	May 31, 2020	May 31, 2019
Current
Federal	$ 160,903	$ 20,739	$ 15,454
State and local	6,018	1,713	2,309
Foreign	4,524	5,199	7,985
Current Income Tax Expense (Benefit), Total	171,445	27,651	25,748
Deferred
Federal	6,668	(2,350)	18,195
State and local	(391)	732	1,621
Foreign	(1,455)	309	(2,381)
Provision for (benefit from) deferred income taxes	4,822	(1,309)	17,435
Income tax expense	$ 176,267	$ 26,342	$ 43,183

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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