Comprehensive Income (Loss) - Components of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands		12 Months Ended
		May 31, 2021	May 31, 2020	May 31, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		$ 966,433	$ 948,394	$ 1,036,375
Income tax effect		(20,472)	823	4,198
Balance		1,551,695	966,433	948,394
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(9,142)	(19,639)
Other comprehensive income (loss) before reclassifications		9,958	10,480
Income tax effect		963	17
Balance		1,779	(9,142)	(19,639)
Pension Liability Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(21,886)	(17,856)
Other comprehensive income (loss) before reclassifications		6,909	(5,948)
Reclassification adjustments to income	[1]	775	553
Income tax effect		(1,753)	1,365
Balance		(15,955)	(21,886)	(17,856)
Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(4,189)	(5,969)
Other comprehensive income (loss) before reclassifications		93,415	(9,497)
Reclassification adjustments to income	[1]	(9,981)	11,836
Income tax effect		(19,682)	(559)
Balance		59,563	(4,189)	(5,969)
Accumulated Other Comprehensive Loss, Net of Tax
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		(35,217)	(43,464)	(14,580)
Other comprehensive income (loss) before reclassifications		110,282	(4,965)
Reclassification adjustments to income	[1]	(9,206)	12,389
Income tax effect		(20,472)	823
Balance		$ 45,387	$ (35,217)	$ (43,464)

[1] The statement of earnings classification of amounts reclassified to income include