Summary of Activity in Restructuring Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Restructuring Cost And Reserve [Line Items]
Additions charged to expense	$ 1,140	$ 3,129	$ 5,128	$ 12,280
MAP to Growth
Restructuring Cost And Reserve [Line Items]
Beginning balance	2,467	10,551	5,720	13,237
Additions charged to expense	1,140	3,129	5,128	12,280
Cash payments charged against reserve	(1,374)	(4,667)	(7,469)	(16,110)
Non-cash charges and other adjustments	(123)	(4,161)	(1,269)	(4,555)
Ending balance	2,110	4,852	2,110	4,852
MAP to Growth | Severance and Benefit Costs (Credits)
Restructuring Cost And Reserve [Line Items]
Beginning balance	1,571	4,655	4,430	7,357
Additions charged to expense	105	574	1,633	5,187
Cash payments charged against reserve	(506)	(1,699)	(4,314)	(9,014)
Non-cash charges and other adjustments	(95)	71	(674)	71
Ending balance	1,075	3,601	1,075	3,601
MAP to Growth | Facility Closure and Other Related Costs
Restructuring Cost And Reserve [Line Items]
Beginning balance	896	5,896	1,290	5,880
Additions charged to expense	1,035	2,615	3,492	6,424
Cash payments charged against reserve	(868)	(2,968)	(3,155)	(6,761)
Non-cash charges and other adjustments	(28)	(4,292)	(592)	(4,292)
Ending balance	1,035	1,251	1,035	1,251
MAP to Growth | Other Restructuring Costs (Credits)
Restructuring Cost And Reserve [Line Items]
Beginning balance	0	0	0	0
Additions charged to expense	0	(60)	3	669
Cash payments charged against reserve	0	0	0	(335)
Non-cash charges and other adjustments	0	60	(3)	(334)
Ending balance	$ (0)	$ 0	$ (0)	$ 0