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Goodwill and Intangible Assets - Goodwill Rollforward (Details) - USD ($)			12 Months Ended
	Apr. 30, 2022	Dec. 31, 2021	May 31, 2023	May 31, 2022	May 31, 2021
Goodwill [Roll Forward]
Balance June 1, 2022			$ 201,058,000
Goodwill impairment	$ 0	$ 0	(14,549,000)	$ 0	$ 0
Assets held for sale			(25,980,000)
Foreign currency translation adjustments			(1,291,000)
Balance May 31, 2023			159,238,000	201,058,000
Med Tech
Goodwill [Roll Forward]
Balance June 1, 2022			160,529,000
Goodwill impairment			0
Assets held for sale			0
Foreign currency translation adjustments			(1,291,000)
Balance May 31, 2023			159,238,000	160,529,000
Med Device
Goodwill [Roll Forward]
Balance June 1, 2022			40,529,000
Goodwill impairment			(14,549,000)
Assets held for sale			(25,980,000)
Foreign currency translation adjustments			0
Balance May 31, 2023			$ 0	$ 40,529,000

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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