Impairment, Disposition Of Property And Equipment, And Restaurant Closing Costs (Restaurant Closing Costs) (Details) - Facility Closing [Member] $ in Thousands	12 Months Ended
	Oct. 02, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Balance at beginning of year	$ 9,707
Additions and adjustments	464
Cash payments	5,328
Balance at end of year	$ 7,231	[1]
Weighted Average [Member]
Restructuring Cost and Reserve [Line Items]
RemainingLeaseCommitmentTerm	5 years
Impairment and other charges, net [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment	$ 946	[2]
Interest Expense [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment	$ 1,442

[1] The weighted average remaining lease term related to these commitments is approximately five years

[2] Adjustments relate primarily to revisions of certain sublease and cost assumptions. Our estimates related to our future lease obligations, primarily the sublease income we anticipate, are subject to a high degree of judgment and may differ from actual sublease income due to changes in economic conditions, desirability of the sites and other factor