Acquisition, Restructuring and Other Items, Net - Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Feb. 29, 2024	Feb. 29, 2024
Restructuring Reserve [Roll Forward]
Beginning balance	$ 689	$ 0
Charges	5,426	6,115
Non-cash adjustments	(4,500)	(4,500)
Cash payments	(676)	(676)
Ending balance	939	939
Termination benefits
Restructuring Reserve [Roll Forward]
Beginning balance	0	0
Charges	227	227
Non-cash adjustments	0	0
Cash payments	0	0
Ending balance	227	227
Outside consultants
Restructuring Reserve [Roll Forward]
Beginning balance	653	0
Charges	647	1,300
Non-cash adjustments	0	0
Cash payments	(635)	(635)
Ending balance	665	665
Validation expenses
Restructuring Reserve [Roll Forward]
Beginning balance	0	0
Charges	37	37
Non-cash adjustments	0	0
Cash payments	0	0
Ending balance	37	37
Facilities closeout fees
Restructuring Reserve [Roll Forward]
Beginning balance	0	0
Charges	4,500	4,500
Non-cash adjustments	(4,500)	(4,500)
Cash payments	0	0
Ending balance	0	0
Regulatory filings
Restructuring Reserve [Roll Forward]
Beginning balance	0	0
Charges	10	10
Non-cash adjustments	0	0
Cash payments	0	0
Ending balance	10	10
Other
Restructuring Reserve [Roll Forward]
Beginning balance	36	0
Charges	5	41
Non-cash adjustments	0	0
Cash payments	(41)	(41)
Ending balance	$ 0	$ 0