Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014	Dec. 28, 2014
Cash flows from operating activities:
Net income	$ 7,584	$ 22,830	$ 75,286	$ 98,140
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			118,708	118,265
Share-based compensation			18,784	25,208
Impairment of long-lived assets	1,513	8,618	13,468	11,224	$ 19,613
Deferred income tax			35,368	59,597
Excess tax benefits from share-based compensation			(49,870)	(11,979)
Non-cash rent expense, net			2,792	6,239
Net receipt of deferred vendor incentives			3,402	9,160
System optimization gains, net			(14,783)	(74,092)
Gain on disposal of the Bakery			(27,526)	0
Gain on sales of investments, net			0	(690)
Distributions received from TimWen joint venture			9,198	10,028
Equity in earnings in joint venture, net			(6,968)	(7,659)
Long-term debt-related activities, net (see below)			4,972	2,708
Other, net			307	(5,553)
Changes in operating assets and liabilities:
Restricted cash			(23,686)	0
Accounts and notes receivable			(29,046)	(6,074)
Inventories			203	925
Prepaid expenses and other current assets			(6,530)	(8,889)
Accounts payable			9,212	(3,347)
Accrued expenses and other current liabilities			(14,662)	(40,615)
Net cash provided by operating activities			118,629	182,596
Cash flows from investing activities:
Capital expenditures			(188,246)	(197,886)
Acquisitions			(1,232)	(5,949)
Dispositions			46,357	119,892
Proceeds from sale of the Bakery			78,408	0
Proceeds from sales of investments			0	2,189
Payments for investments			(2,082)	(400)
Notes receivable from franchisees, net			2,631	434
Changes in restricted cash			484	1,750
Other, net			88	0
Net cash used in investing activities			(63,592)	(79,970)
Cash flows from financing activities:
Proceeds from long-term debt			2,294,000	0
Repayments of long-term debt			(1,321,169)	(28,983)
Deferred financing costs			(42,098)	0
Change in restricted cash			(5,687)	0
Repurchases of common stock			(1,078,404)	(291,240)
Dividends			(55,414)	(55,012)
Proceeds from stock option exercises			22,419	25,254
Excess tax benefits from share-based compensation			49,870	11,979
Net cash used in financing activities			(136,483)	(338,002)
Net cash used in operations before effect of exchange rate changes on cash			(81,446)	(235,376)
Effect of exchange rate changes on cash			(10,130)	(2,330)
Net decrease in cash and cash equivalents			(91,576)	(237,706)
Cash and cash equivalents at beginning of period			267,276	580,152	580,152
Cash and cash equivalents at end of period	175,700	342,446	175,700	342,446	$ 267,276
Details of cash flows from operating activities:
Loss on early extinguishment of debt	$ 0	$ 0	7,295	0
Accretion of long-term debt			890	890
Amortization of deferred financing costs			3,416	1,818
Payments for termination of cash flow hedges			7,337	0
Reclassification of unrealized losses on cash flow hedges			708	0
Cash paid for:
Interest			55,725	37,507
Income taxes, net of refunds			16,401	11,231
Supplemental non-cash investing and financing activities:
Capital expenditures included in accounts payable			25,970	58,629
Capitalized lease obligations			25,657	11,223
Accrued debt issuance costs			$ 1,653	$ 0