Segments and Other Geographic Reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2025 USD ($)	Apr. 30, 2024 USD ($)	Apr. 30, 2025 USD ($) segment	Apr. 30, 2024 USD ($)	Jul. 31, 2024 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment			2
Number of reportable segments | segment			2
Total service revenues and vehicle sales	$ 1,211,716	$ 1,127,259	$ 3,521,861	$ 3,167,824
Facility operations	489,735	438,873	1,476,337	1,256,552
Cost of vehicle sales	169,714	162,881	455,599	457,596
General and administrative	100,722	88,302	305,802	241,197
Operating income	451,545	437,203	1,284,123	1,212,479
Depreciation and amortization	54,416	50,733	162,242	139,158
Capital expenditures and acquisitions	70,467	87,815	482,562	467,517
Total assets	9,672,222		9,672,222		$ 8,427,764
Goodwill	518,600		518,600		513,909
Service revenues
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	1,034,836	946,630	3,012,453	2,667,911
Service revenues | United States | US
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	898,625	830,680	2,626,745	2,349,241
Service revenues | International | International
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	136,211	115,950	385,708	318,670
Vehicle sales
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	176,880	180,629	509,408	499,913
Vehicle sales | United States | US
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	107,832	88,236	302,097	241,307
Vehicle sales | International | International
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	69,048	92,393	207,311	258,606
Operating Segments | United States | US
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	1,006,457	918,916	2,928,842	2,590,548
Facility operations	412,895	369,577	1,255,336	1,062,859
Cost of vehicle sales	113,853	81,312	282,946	223,462
General and administrative	87,244	75,096	267,142	201,667
Operating income	392,465	392,931	1,123,418	1,102,560
Depreciation and amortization	46,461	43,477	138,831	118,756
Capital expenditures and acquisitions	62,906	72,186	428,035	372,178
Total assets	8,413,365		8,413,365		7,386,103
Goodwill	390,421		390,421		390,421
Operating Segments | International | International
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	205,259	208,343	593,019	577,276
Facility operations	76,840	69,296	221,001	193,693
Cost of vehicle sales	55,861	81,569	172,653	234,134
General and administrative	13,478	13,206	38,660	39,530
Operating income	59,080	44,272	160,705	109,919
Depreciation and amortization	7,955	7,256	23,411	20,402
Capital expenditures and acquisitions	7,561	$ 15,629	54,527	$ 95,339
Total assets	1,258,857		1,258,857		1,041,661
Goodwill	$ 128,179		$ 128,179		$ 123,488