Segments and Other Geographic Reporting - Schedule of Segment Reporting Information By Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	$ 4,646,958	$ 4,236,823	$ 3,869,518
Facility operations	1,944,318	1,710,084	1,518,029
Cost of vehicle sales	602,997	619,487	614,498
General and administrative	402,929	335,229	250,422
Operating income	1,696,714	1,572,023	1,486,569
Depreciation and amortization, excluding debt costs	215,849	189,761	159,478
Interest income	178,909	145,673	65,928
Capital expenditures, including acquisitions	570,213	605,403	516,636
Total assets	10,090,902	8,427,764	6,737,879
Goodwill	517,779	513,909	394,289
United States | United States | Operating Segments
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	3,855,104	3,464,735	3,189,648
Facility operations	1,646,183	1,440,707	1,292,527
Cost of vehicle sales	378,100	313,449	326,764
General and administrative	349,935	282,545	202,260
Operating income	1,480,886	1,428,034	1,368,097
Depreciation and amortization, excluding debt costs	184,026	161,685	135,804
Interest income	168,641	140,728	64,082
Capital expenditures, including acquisitions	490,965	491,497	373,190
Total assets	8,834,063	7,386,103	5,825,064
Goodwill	390,422	390,421	270,269
International | International | Operating Segments
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	791,854	772,088	679,870
Facility operations	298,135	269,377	225,502
Cost of vehicle sales	224,897	306,038	287,734
General and administrative	52,994	52,684	48,162
Operating income	215,828	143,989	118,472
Depreciation and amortization, excluding debt costs	31,823	28,076	23,674
Interest income	10,268	4,945	1,846
Capital expenditures, including acquisitions	79,248	113,906	143,446
Total assets	1,256,839	1,041,661	912,815
Goodwill	127,357	123,488	124,020
Service revenues
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	3,968,662	3,561,002	3,198,128
Service revenues | United States | United States
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	3,451,558	3,126,102	2,841,641
Service revenues | International | International
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	517,104	434,900	356,487
Vehicle sales
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	678,296	675,821	671,390
Vehicle sales | United States | United States
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	403,546	338,633	348,007
Vehicle sales | International | International
Segment Reporting Information [Line Items]
Total service revenues and vehicle sales	$ 274,750	$ 337,188	$ 323,383