Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Reportable Operating Segment (Detail)

v3.2.0.727
Segment Information - Summary of Reportable Operating Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Segment Reporting Information [Line Items]        
Total consolidated revenues $ 2,423,740 $ 2,353,280 $ 4,659,256 $ 4,489,666
Total segment income 37,785 58,752 74,503 104,706
Interest expense, other, net (13,054) (13,865) (26,274) (27,683)
Other income (expense), net 10 3 100 100
Income (loss) from continuing operations before taxes 24,741 44,890 48,329 77,123
Franchised Dealerships [Member]        
Segment Reporting Information [Line Items]        
Total consolidated revenues 2,402,764 2,353,280 4,622,594 4,489,666
Total segment income 41,714 61,996 84,785 109,691
Echo Park [Member]        
Segment Reporting Information [Line Items]        
Total consolidated revenues 20,976   36,662  
Total segment income $ (3,929) $ (3,244) $ (10,282) $ (4,985)