Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015	Jan. 03, 2016
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	$ 5,525	$ 10,018	$ 12,630	$ 11,955	$ 25,001
Restaurants leased or subleased to franchisees
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	5,490	7,551	12,491	8,256
Company-owned restaurants
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	35	2,073	35	2,547
Surplus properties
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	$ 0	$ 394	$ 104	$ 1,152