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Discontinued Operations (Details) - USD ($) |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 16, 2021 | Dec. 02, 2021 | Aug. 16, 2019 | Feb. 22, 2019 | Oct. 30, 2021 | Jul. 30, 2022 | Apr. 30, 2021
Other expense |  |  |  |  |  |  |
Discontinued operations |  |  |  |  |  |  |
Litigation reserve expense |  |  |  |  |  |  | $ 9,300,000
Discontinued Operations |  |  |  |  |  |  |
Discontinued operations |  |  |  |  |  |  |
Amount of alleged damages |  |  |  | $ 6,500,000 |  |  |
EES Business |  |  |  |  |  |  |
Discontinued operations |  |  |  |  |  |  |
Litigation reserve expense |  |  |  |  | $ 10,000,000 |  |
Amount of existing claims settled | $ 20,000,000 | $ 20,000,000 |  |  |  |  |
Settlement paid |  |  |  |  |  | $ 10,000,000 |
Payment period | 24 months |  |  |  |  |  |
Holdback | Discontinued Operations |  |  |  |  |  |  |
Discontinued operations |  |  |  |  |  |  |
Amount of alleged damages |  |  | $ 6,500,000 |  |  |  |

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