Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Service revenues and vehicle sales	$ 867,460	$ 617,031	$ 1,677,592	$ 1,209,971
Operating expenses:
Yard operations	323,814	235,904	622,508	467,715
Cost of vehicle sales	140,304	73,629	266,712	137,989
General and administrative	56,014	49,277	110,923	97,452
Total operating expenses	520,132	358,810	1,000,143	703,156
Operating income	347,328	258,221	677,449	506,815
Other expense:
Interest expense, net	(4,433)	(4,849)	(9,540)	(9,881)
Other income, net	(840)	(920)	(28)	2,333
Total other expense	(5,273)	(5,769)	(9,568)	(7,548)
Income before income taxes	342,055	252,452	667,881	499,267
Income tax expense	54,643	59,012	120,106	105,542
Net income	$ 287,412	$ 193,440	$ 547,775	$ 393,725
Basic net income per common share (in dollars per share)	$ 1.21	$ 0.82	$ 2.31	$ 1.67
Weighted average common shares outstanding (in shares)	237,186	236,152	237,167	235,971
Diluted net income per common share (in dollars per share)	$ 1.19	$ 0.81	$ 2.27	$ 1.64
Diluted weighted average common shares outstanding (in shares)	241,187	240,280	241,244	240,124
Service revenues
Service revenues and vehicle sales	$ 711,090	$ 532,601	$ 1,378,908	$ 1,047,973
Vehicle sales
Service revenues and vehicle sales	$ 156,370	$ 84,430	$ 298,684	$ 161,998