Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Goodwill - Changes in Carrying Amount of Franchise Assets and Goodwill (Detail)

v3.3.1.900
Intangible Assets and Goodwill - Changes in Carrying Amount of Franchise Assets and Goodwill (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Indefinite-lived Intangible Assets [Line Items]    
Net Goodwill, Beginning balance $ 475,929 $ 476,315
Net Goodwill, Additions through current year acquisitions   10,176
Net Goodwill, Prior year acquisition allocations (870) (3)
Net Goodwill, Reductions from dispositions (1,121) (10,559)
Net Goodwill, Reductions from impairment (2,445)  
Net Goodwill, Ending balance 471,493 475,929
Franchise Assets [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Franchise Assets, Beginning balance 77,100 79,535
Franchise Assets, Additions through current year acquisitions   7,500
Franchise Assets, Prior year acquisition allocations 1,100  
Franchise Assets, Reductions from dispositions   (7,735)
Franchise Assets, Reductions from impairment (3,300) (2,200)
Franchise Assets, Ending balance $ 74,900 $ 77,100