Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Leases [Abstract]
Renewal term (in years)	40 years
Cost of the leased space	$ 58.8	$ 50.3
Accumulated depreciation of leased assets	6.7	4.6
Rental income	$ 20.7	$ 17.6
Operating lease, lease income, statement of income or comprehensive income [extensible enumeration]	Total service revenues and vehicle sales	Total service revenues and vehicle sales