Goodwill and intangible assets, net - Aggregate Amortization Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Goodwill and intangible assets, net
Aggregate amortization expense	$ 7,922	$ 9,281	$ 8,553

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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