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
Jun. 30, 2016
Dec. 31, 2015
Property Plant And Equipment [Line Items]    
Total, at cost $ 1,374,280 $ 1,266,590
Less accumulated depreciation (416,095) (379,688)
Subtotal 958,185 886,902
Less assets held for sale (6,347)  
Property and equipment, net 951,838 886,902
Land [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 284,389 260,275
Building and Improvements [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 730,923 679,712
Software and Computer Equipment [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 114,224 107,086
Parts and Service Equipment [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 84,858 79,219
Office Equipment and Fixtures [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 81,560 76,810
Company Vehicles [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 9,017 8,478
Construction in Progress [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost $ 69,309 $ 55,010