Summary of Activity in Restructuring Reserves (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Restructuring Cost And Reserve [Line Items]
Additions charged to expense	$ 6,276	$ 18,106	$ 33,108
MAP to Growth
Restructuring Cost And Reserve [Line Items]
Beginning balance	5,720	13,237
Additions charged to expense	6,276	18,106	33,108
Cash payments charged against reserve	(8,792)	(21,016)
Non-cash charges and other adjustments	(1,412)	(4,607)
Ending balance	1,792	5,720	13,237
MAP to Growth | Severance and benefit costs (credits)
Restructuring Cost And Reserve [Line Items]
Beginning balance	4,430	7,357
Additions charged to expense	1,923	9,396	19,747
Cash payments charged against reserve	(4,779)	(12,413)
Non-cash charges and other adjustments	(784)	90
Ending balance	790	4,430	7,357
MAP to Growth | Facility Closure and Other Related Costs
Restructuring Cost And Reserve [Line Items]
Beginning balance	1,290	5,880
Additions charged to expense	4,350	7,956	8,548
Cash payments charged against reserve	(4,013)	(8,268)
Non-cash charges and other adjustments	(625)	(4,278)
Ending balance	1,002	1,290	5,880
MAP to Growth | Other Asset Write-offs
Restructuring Cost And Reserve [Line Items]
Beginning balance	0	0
Additions charged to expense	3	754	4,813
Cash payments charged against reserve	0	(335)
Non-cash charges and other adjustments	(3)	(419)
Ending balance	$ 0	$ 0	$ 0