Impairment, Disposition Of Property And Equipment, And Restaurant Closing Costs (Restaurant Closing Costs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Restructuring Reserve [Roll Forward]
Additions and adjustments	$ 8,621	$ 3,451	$ 15,461
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of year	16,321	20,677
Restructuring Reserve, Accrual Adjustment	2,024	1,752
Cash payments	5,172	6,108
Balance at end of year	$ 13,173	$ 16,321