Acquisition, Restructuring and Other Items, Net - Restructuring Reserve (Details) $ in Thousands	3 Months Ended
Aug. 31, 2026 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 2,326
Charges	617
Non-cash adjustments	0
Cash payments	(2,615)
Ending balance	328
Termination benefits
Restructuring Reserve [Roll Forward]
Beginning balance	584
Charges	0
Non-cash adjustments	0
Cash payments	(455)
Ending balance	129
Outside consultants
Restructuring Reserve [Roll Forward]
Beginning balance	594
Charges	359
Non-cash adjustments	0
Cash payments	(796)
Ending balance	157
Validation expenses
Restructuring Reserve [Roll Forward]
Beginning balance	93
Charges	79
Non-cash adjustments	0
Cash payments	(167)
Ending balance	5
Facilities closeout fees
Restructuring Reserve [Roll Forward]
Beginning balance	0
Charges	0
Non-cash adjustments	0
Cash payments	0
Ending balance	0
Regulatory filings
Restructuring Reserve [Roll Forward]
Beginning balance	0
Charges	21
Non-cash adjustments	0
Cash payments	(12)
Ending balance	9
Other
Restructuring Reserve [Roll Forward]
Beginning balance	1,055
Charges	158
Non-cash adjustments	0
Cash payments	(1,185)
Ending balance	$ 28

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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- Definition

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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