Condensed Consolidated Statements Of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	4 Months Ended
	Jan. 20, 2013	Jan. 22, 2012
Revenues:
Company restaurant sales	$ 360,094	$ 364,102
Franchise revenues	105,429	93,819
Total revenue	465,523	457,921
Company restaurant costs:
Food and packaging	116,101	122,107
Payroll and employee benefits	104,064	106,811
Occupancy and other	83,354	85,943
Total company restaurant costs	303,519	314,861
Franchise costs	52,488	49,859
Selling, general and administrative expenses	67,336	65,717
Impairment and other charges, net	3,263	4,351
Gains on the sale of company-operated restaurants	(748)	(1,122)
Total operating costs and expenses	425,858	433,666
Earnings from operations	39,665	24,255
Interest expense, net	5,365	6,057
Earnings from continuing operations and before income taxes	34,300	18,198
Income taxes	10,356	6,248
Earnings from continuing operations	23,944	11,950
Losses from discontinued operations, net of income tax benefit	(3,255)	0
Net earnings	$ 20,689	$ 11,950
Net earnings per share - basic:
Earnings from continuing operations (usd per share)	$ 0.56	$ 0.27
Losses from discontinued operations (usd per share)	$ (0.08)	$ 0.00
Net earnings per share (usd per share)	$ 0.48	$ 0.27
Net earnings per share - diluted:
Earnings from continuing operations (usd per share)	$ 0.54	$ 0.27
Losses from discontinued operations (usd per share)	$ (0.07)	$ 0.00
Net earnings per share (usd per share)	$ 0.47	$ 0.27
Weighted-average shares outstanding:
Basic (in shares)	42,997	43,863
Diluted (in shares)	44,356	44,659