Acquisitions and Dispositions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 29, 2014 stores	Sep. 28, 2014 stores	Sep. 29, 2013 stores
Acquisitions [Member]
Significant Acquisitions and Disposals [Line Items]
Significant Changes, Franchises Purchased During Period	3	6	1
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds		$ (5,949)
Goodwill, Period Increase (Decrease)		720
Acquisitions [Member] | Other operating expense (income), net [Member]
Significant Acquisitions and Disposals [Line Items]
Business Combination, Bargain Purchase, Gain Recognized, Amount		349
Dispositions [Member]
Significant Acquisitions and Disposals [Line Items]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds		24,839	18,384
Dispositions [Member] | Other operating expense (income), net [Member]
Significant Acquisitions and Disposals [Line Items]
Significant Disposals, Gain on Sale, Pretax		13,602	4,771
Sale of Company-Owned Restaurants to Franchisees [Member]
Significant Acquisitions and Disposals [Line Items]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds		9,196
Significant Changes, Franchises Sold		14
Goodwill, Period Increase (Decrease)		(1,483)
Sale of Surplus Properties [Member]
Significant Acquisitions and Disposals [Line Items]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds		7,027	9,731
Sale of Aircraft [Member]
Significant Acquisitions and Disposals [Line Items]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds		8,616
Franchisees Exercising Options to Purchase Previously Leased Properties [Member]
Significant Acquisitions and Disposals [Line Items]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds			$ 8,653