Summary of Significant Accounting Policies - Schedule of Service Revenues and Vehicle Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Disaggregation of Revenue [Line Items]
Total service revenues and vehicle sales	$ 4,646,958	$ 4,236,823	$ 3,869,518
Service revenues
Disaggregation of Revenue [Line Items]
Total service revenues and vehicle sales	3,968,662	3,561,002	3,198,128
Service revenues | United States | United States
Disaggregation of Revenue [Line Items]
Total service revenues and vehicle sales	3,451,558	3,126,102	2,841,641
Service revenues | International | International
Disaggregation of Revenue [Line Items]
Total service revenues and vehicle sales	517,104	434,900	356,487
Vehicle sales
Disaggregation of Revenue [Line Items]
Total service revenues and vehicle sales	678,296	675,821	671,390
Vehicle sales | United States | United States
Disaggregation of Revenue [Line Items]
Total service revenues and vehicle sales	403,546	338,633	348,007
Vehicle sales | International | International
Disaggregation of Revenue [Line Items]
Total service revenues and vehicle sales	$ 274,750	$ 337,188	$ 323,383