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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Nov. 30, 2021	May 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross carrying value, finite intangible items	$ 319,130	$ 313,235
Accumulated amortization	(154,130)	(144,258)
Net carrying value, finite intangible items	165,000	168,977
Product technologies
Finite-Lived Intangible Assets [Line Items]
Gross carrying value, finite intangible items	242,907	236,907
Accumulated amortization	(105,140)	(97,343)
Net carrying value, finite intangible items	137,767	139,564
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying value, finite intangible items	60,186	60,291
Accumulated amortization	(36,067)	(34,164)
Net carrying value, finite intangible items	24,119	26,127
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross carrying value, finite intangible items	9,950	9,950
Accumulated amortization	(7,045)	(6,905)
Net carrying value, finite intangible items	2,905	3,045
Licenses
Finite-Lived Intangible Assets [Line Items]
Gross carrying value, finite intangible items	6,087	6,087
Accumulated amortization	(5,878)	(5,846)
Net carrying value, finite intangible items	$ 209	$ 241

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
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