Impairment, Disposition Of Property And Equipment, Restaurant Closing And Restructuring Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 08, 2012	Jul. 10, 2011	Jul. 08, 2012	Jul. 10, 2011
Restructuring Cost and Reserve [Line Items]
Impairment charges	$ 656	$ 517	$ 2,765	$ 1,684
Losses on the disposition of property and equipment, net	904	660	3,762	6,084
Costs of closed restaurants (primarily lease obligations) and other	2,337	924	5,270	2,423
Restructuring costs	11,284	0	12,809	0
Impairment and other charges, net	15,181	2,101	24,606	10,191
Number of underperforming subject to impairment charges			5
Number of restaurants which we intend to close or have closed subject to impairment charges			3
Restructuring Reserve [Roll Forward]
Severance costs	3,972	0	5,497	0
Enhanced pension benefits	6,167	0	6,167	0
Other restructuring costs	1,145	0	1,145	0
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period	20,167	22,163	21,657	25,020
Additions and adjustments	1,801	379	3,713	1,163
Cash payments	1,649	1,661	5,051	5,302
Balance at end of period	20,319	20,881	20,319	20,881
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period	1,525	0	0	0
Severance costs	3,972	0	5,497	0
Cash payments	(2,826)	0	(2,826)	0
Balance at end of period	$ 2,671	$ 0	$ 2,671	$ 0