Consolidated Statements Of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Common Stock, Dividends, Per Share, Cash Paid	$ 0.40	$ 0.00	$ 0.00
Revenues:
Company restaurant sales	$ 1,120,912	$ 1,143,780	$ 1,183,483
Franchise revenues	363,219	346,087	325,812
Total revenue	1,484,131	1,489,867	1,509,295
Company restaurant costs:
Food and packaging	357,338	372,685	389,235
Payroll and employee benefits	308,494	320,384	338,210
Occupancy and other	247,861	255,586	266,440
Total company restaurant costs	913,693	948,655	993,885
Franchise costs	182,886	173,567	166,078
Selling, general and administrative expenses	206,788	220,641	224,852
Impairment and other charges, net	14,908	13,439	32,809
Gains on the sale of company-operated restaurants	3,548	(4,640)	(29,145)
Total operating costs and expenses	1,321,823	1,351,662	1,388,479
Earnings from operations	162,308	138,205	120,816
Interest expense, net	15,678	15,251	18,874
Earnings from continuing operations and before income taxes	146,630	122,954	101,942
Income taxes	51,786	40,346	33,838
Earnings from continuing operations	94,844	82,608	68,104
Losses from discontinued operations, net of income tax benefit	(5,894)	(31,456)	(10,453)
Net earnings	(88,950)	(51,152)	(57,651)
Net earnings per share - basic:
Earnings from continuing operations (usd per share)	$ 2.33	$ 1.91	$ 1.55
Losses from discontinued operations (usd per share)	$ (0.14)	$ (0.73)	$ (0.24)
Net earnings per share (usd per share)	$ 2.18	$ 1.18	$ 1.31
Net earnings per share - diluted:
Earnings from continuing operations (usd per share)	$ 2.26	$ 1.84	$ 1.52
Losses from discontinued operations (usd per share)	$ (0.14)	$ (0.70)	$ (0.23)
Net earnings per share (usd per share)	$ 2.12	$ 1.14	$ 1.28
Weighted-average shares outstanding:
Basic (in shares)	40,781	43,351	43,999
Diluted (in shares)	41,973	44,899	44,948
Retained Earnings [Member]
Company restaurant costs:
Net earnings	$ (88,950)	$ (51,152)	$ (57,651)