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Impairment of Long-Lived Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 02, 2016
Sep. 27, 2015
Oct. 02, 2016
Sep. 27, 2015
Jan. 03, 2016
Impaired Long-Lived Assets Held and Used [Line Items]          
Impairment of long-lived assets $ 361 $ 1,513 $ 12,991 $ 13,468 $ 25,001
Restaurants leased or subleased to franchisees          
Impaired Long-Lived Assets Held and Used [Line Items]          
Impairment of long-lived assets 163 1,235 12,654 9,491  
Company-owned restaurants          
Impaired Long-Lived Assets Held and Used [Line Items]          
Impairment of long-lived assets 79 219 114 2,766  
Surplus properties          
Impaired Long-Lived Assets Held and Used [Line Items]          
Impairment of long-lived assets $ 119 $ 59 $ 223 $ 1,211