Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Property and Equipment - Components of Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Property Plant And Equipment [Line Items]    
Total, at cost $ 1,537,771 $ 1,464,795
Less accumulated depreciation (470,824) (450,184)
Subtotal 1,066,947 1,014,611
Less assets held for sale (4,231) (4,231)
Property and equipment, net 1,062,716 1,010,380
Land [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 335,407 306,457
Building and Improvements [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 805,927 777,766
Software and Computer Equipment [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 132,874 128,366
Parts and Service Equipment [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 98,499 93,901
Office Equipment and Fixtures [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 88,894 86,216
Company Vehicles [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost 9,377 9,107
Construction in Progress [Member]    
Property Plant And Equipment [Line Items]    
Total, at cost $ 66,793 $ 62,982