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Discontinued Operations (Details) $ in Thousands				3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 16, 2021 USD ($)	Feb. 22, 2019 USD ($)	Jun. 29, 2018 USD ($)	Oct. 30, 2021 USD ($)	Jan. 29, 2022 USD ($) contract	Apr. 30, 2021 USD ($)
Other expense
Discontinued operations
Litigation reserve expense						$ 9,300
Discontinued Operations
Discontinued operations
Amount of alleged damages		$ 6,500
EES Business
Discontinued operations
Litigation reserve expense				$ 10,000
Amount of existing claims settled	$ 20,000
Settlement paid					$ 5,000
Payment period	24 months
EES Business | Disposed of by sale
Discontinued operations
Cash consideration received			$ 31,994
Gain on sale of business			$ 11,420
Holdback | Disposed of by sale
Discontinued operations
Cash consideration received					$ 6,500
Number of remaining contracts | contract					2

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