Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Apr. 03, 2016	Mar. 29, 2015	Jan. 03, 2016
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	$ 7,105	$ 1,937	$ 25,001
Restaurants leased or subleased to franchisees
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	7,001	705
Company-owned restaurants
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	0	474
Surplus properties
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	$ 104	$ 758