Intangibles, net - Intangibles included in other assets on the balance sheet (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 30, 2021
Intangibles, net
Intangibles, gross	$ 133,551	$ 116,872
Less accumulated amortization	(36,327)	(10,604)
Intangibles, net	97,224	106,268
Technology
Intangibles, net
Intangibles, gross	56,913	46,850
Licenses
Intangibles, net
Intangibles, gross	1,008	1,008
Backlog.
Intangibles, net
Intangibles, gross	2,100
Customer relationships
Intangibles, net
Intangibles, gross	72,448	68,073
In-process research and development
Intangibles, net
Intangibles, gross	550	550
Non-compete agreements
Intangibles, net
Intangibles, gross	320	320
Trademarks and tradenames
Intangibles, net
Intangibles, gross	68	68
Other
Intangibles, net
Intangibles, gross	$ 144	$ 3

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

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

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