Leases (Components Of Rent Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Oct. 03, 2010
Leases [Abstract]
Minimum rentals	$ 225,414	$ 223,034	$ 222,600
Contingent rentals	2,013	1,796	1,804
Total rent expense	227,427	224,830	224,404
Less rental expense on subleased properties	(130,275)	(109,300)	(83,340)
Net rent expense	$ 97,152	$ 115,530	$ 141,064