Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Components of Property and Equipment, Net (Detail)

v3.5.0.2
Property and Equipment - Components of Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Property Plant And Equipment [Line Items]    
Total, at cost $ 1,420,063 $ 1,266,590
Less accumulated depreciation (435,708) (379,688)
Subtotal 984,355 886,902
Less assets held for sale (6,347)  
Property and equipment, net 978,008 886,902
Land [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 300,400 260,275
Building and Improvements [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 748,627 679,712
Software and Computer Equipment [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 119,448 107,086
Parts and Service Equipment [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 88,909 79,219
Office Equipment and Fixtures [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 84,919 76,810
Company Vehicles [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 9,077 8,478
Construction in Progress [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost $ 68,683 $ 55,010