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Acquisition, Restructuring and Other Items, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	$ 2,253	$ 1,128	$ 4,693	$ 2,447
Legal
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	2,072	1,185	4,156	1,980
Mergers and acquisitions
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	59	0	59	1
Transition service agreement
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	0	(334)	0	(709)
Divestiture
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	0	112	0	384
Manufacturing relocation
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	59	0	59	0
Other
Restructuring Cost and Reserve [Line Items]
Acquisition, restructuring and other items, net	$ 63	$ 165	$ 419	$ 791

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