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Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Goodwill
Goodwill, Beginning Balance	$ 334,347	$ 314,205
Additions to goodwill	2,471	20,142
Impairment of goodwill	(156,017)
Goodwill, Ending Balance	180,801	334,347
SUAS
Goodwill
Goodwill, Beginning Balance	6,340	6,340
Goodwill, Ending Balance	6,340	6,340
MUAS
Goodwill
Goodwill, Beginning Balance	290,157	288,611
Additions to goodwill	1,633	1,546
Impairment of goodwill	(156,017)
Goodwill, Ending Balance	135,773	290,157
All other
Goodwill
Goodwill, Beginning Balance	37,850	19,254
Additions to goodwill	838	18,596
Goodwill, Ending Balance	$ 38,688	$ 37,850

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.

+ References

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