Goodwill and Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Apr. 30, 2025	Jul. 31, 2024
Amortized intangibles:
Accumulated amortization	$ (73,481)	$ (62,565)
Intangibles, net	66,417	74,088
Trade names
Amortized intangibles:
Indefinite-lived intangibles	16,827	16,555
Supply contracts and customer relationships
Amortized intangibles:
Gross carrying amount	87,141	84,228
Trade names
Amortized intangibles:
Gross carrying amount	19,328	19,299
Licenses and databases
Amortized intangibles:
Gross carrying amount	$ 16,602	$ 16,571