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Intangibles, net - Intangibles included in other assets on the balance sheet (Details) - USD ($) $ in Thousands | Jul. 31, 2021 | Apr. 30, 2021
--- | --- | ---
Intangibles, net |  |
Intangibles, gross | $ 135,552 | $ 116,872
Less accumulated amortization | (17,697) | (10,604)
Intangibles, net | 117,855 | 106,268
Technology |  |
Intangibles, net |  |
Intangibles, gross | 58,178 | 46,850
Licenses |  |
Intangibles, net |  |
Intangibles, gross | 1,008 | 1,008
Backlog |  |
Intangibles, net |  |
Intangibles, gross | 2,325 |
Customer relationships |  |
Intangibles, net |  |
Intangibles, gross | 72,998 | 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 | $ 105 | $ 3

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