Restructuring - Summary of Activity in Restructuring Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2025	Nov. 30, 2024
Restructuring Cost and Reserve [Line Items]
Additions charged to expense	$ 4,531	$ 7,557	$ 13,345	$ 14,759
MAP 2025
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	15,467	16,636	13,487	17,369
Additions charged to expense	4,531	7,557	13,345	14,759
Cash payments charged against reserve	(7,573)	(5,571)	(14,512)	(13,750)
Non-cash charges and other adjustments	(136)	(708)	(31)	(464)
Restructuring Reserve, Ending Balance	12,289	17,914	12,289	17,914
MAP 2025 | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	15,033	16,611	13,055	17,351
Additions charged to expense	2,362	5,682	9,438	12,141
Cash payments charged against reserve	(4,930)	(3,960)	(10,216)	(11,403)
Non-cash charges and other adjustments	(176)	(708)	12	464
Restructuring Reserve, Ending Balance	12,289	17,625	12,289	17,625
MAP 2025 | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	434	25	432	18
Additions charged to expense	2,169	1,875	3,907	2,618
Cash payments charged against reserve	(2,643)	(1,611)	(4,296)	(2,347)
Non-cash charges and other adjustments	40	0	(43)	0
Restructuring Reserve, Ending Balance	0	$ 289	0	$ 289
MAP 2025 | Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Additions charged to expense	$ 0		$ 0