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Franchise Rights and Goodwill - Reconciliation of Activity for Franchise Rights and Goodwill (Detail) - USD ($)
$ in Thousands
9 Months Ended
Oct. 02, 2016
Sep. 27, 2015
Indefinite Lived Intangible Assets Including Goodwill [Line Items]    
Franchise rights, Beginning Balance $ 527,540 $ 520,672
Franchise rights, Asset Exchange Transaction 5,500 6,868
Franchise rights, Ending Balance 533,040 527,540
Goodwill, Beginning Balance 117,954 106,220
Goodwill, Asset Exchange Transaction (682) 312
Goodwill, Measurement period adjustment 1,968 1,070
Goodwill, Ending Balance 141,271 113,835
Franchise rights and goodwill, Beginning Balance 645,494 626,892
Franchise rights and goodwill, Asset Exchange Transaction 4,818 7,180
Franchise rights and goodwill, Measurement period adjustment 1,968 1,070
Franchise rights and goodwill, Ending Balance 674,311 641,375
YTD 2015 Expansion Territories [Member]    
Indefinite Lived Intangible Assets Including Goodwill [Line Items]    
Goodwill, Expansion Territories and Transactions   6,233
Franchise rights and goodwill, Expansion Territories and Transactions   $ 6,233
YTD 2016 Expansion Transactions [Member]    
Indefinite Lived Intangible Assets Including Goodwill [Line Items]    
Goodwill, Expansion Territories and Transactions 22,031  
Franchise rights and goodwill, Expansion Territories and Transactions $ 22,031