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Other Intangible Assets (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Oct. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2021
Other Intangible Assets [Line Items] |  |  |
Intangible Assets, Gross (Excluding Goodwill) | $ 131,733 |  | $ 132,094
Accumulated Amortization | (43,514) |  | (39,760)
Net Book Value | 88,219 |  | 92,334
Indefinite-lived Intangible Assets (Excluding Goodwill) | $ 9,771 |  | 9,745
Tradenames [Member] |  |  |
Other Intangible Assets [Line Items] |  |  |
Weighted Average Amortization Period | 3 years | 3 years |
Finite-Lived Intangible Assets, Gross | $ 1,814 |  | 1,821
Accumulated Amortization | (530) |  | (356)
Finite-Lived Intangible Assets, Net | $ 1,284 |  | 1,465
Customer Relationships [Member] |  |  |
Other Intangible Assets [Line Items] |  |  |
Weighted Average Amortization Period | 9 years | 9 years |
Finite-Lived Intangible Assets, Gross | $ 110,615 |  | 110,950
Accumulated Amortization | (42,152) |  | (39,069)
Finite-Lived Intangible Assets, Net | $ 68,463 |  | 71,881
Technology [Member] |  |  |
Other Intangible Assets [Line Items] |  |  |
Weighted Average Amortization Period | 5 years | 5 years |
Finite-Lived Intangible Assets, Gross | $ 9,533 |  | 9,578
Accumulated Amortization | (832) |  | (335)
Finite-Lived Intangible Assets, Net | $ 8,701 |  | $ 9,243

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