Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013
Service revenues and vehicle sales:
Service revenues	$ 985,363	$ 958,413	$ 849,667
Vehicle sales	160,716	205,076	196,719
Total service revenues and vehicle sales	1,146,079	1,163,489	1,046,386
Operating expenses:
Yard operations	526,291	520,423	458,228
Cost of vehicle sales	136,412	174,493	167,236
General and administrative	138,975	164,535	137,930
Impairment of long-lived assets	0	29,104	0
Total operating expenses	801,678	888,555	763,394
Operating income	344,401	274,934	282,992
Other (expense) income:
Interest expense	(18,121)	(8,768)	(10,267)
Interest income	817	491	638
Other income, net	4,972	3,378	3,509
Total other expense	(12,332)	(4,899)	(6,120)
Income before income taxes	332,069	270,035	276,872
Income taxes	112,286	91,348	96,847
Net income	$ 219,783	$ 178,687	$ 180,025
Basic net income per common share (in dollars per share)	$ 1.75	$ 1.42	$ 1.44
Weighted average common shares outstanding	125,914	125,693	124,912
Diluted net income per common share (in dollars per share)	$ 1.67	$ 1.36	$ 1.39
Diluted weighted average common shares outstanding	131,425	131,230	129,781