Income Taxes - Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
May 31, 2020	May 31, 2019	May 31, 2018
Current
Federal	$ 20,739	$ 15,454	$ 33,261
State and local	1,713	2,309	3,292
Foreign	5,199	7,985	9,904
Current Income Tax Expense (Benefit), Total	27,651	25,748	46,457
Deferred
Federal	(2,350)	18,195	(34,442)
State and local	732	1,621	388
Foreign	309	(2,381)	(4,183)
Provision for (benefit from) deferred income taxes	(1,309)	17,435	(38,237)
Income tax expense	$ 26,342	$ 43,183	$ 8,220

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

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