Income Taxes (Deferred Tax Assets And Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands	Oct. 02, 2016	Sep. 27, 2015
Income Tax Disclosure [Abstract]
Accrued pension and postretirement benefits	$ 89,253	$ 92,456
Impairment	21,904	23,982
Interest rate swaps	18,483	10,208
Accrued insurance	14,378	13,245
Tax loss and tax credit carryforwards	13,624	14,081
Leasing transactions	11,144	11,442
Share-based compensation	9,091	9,331
Lease commitments related to closed or refranchised locations	7,440	11,471
Accrued incentive compensation	5,536	6,412
Accrued vacation pay expense	2,137	2,193
Other reserves and allowances	1,935	1,584
Deferred income	1,887	1,417
Other, net	3,876	2,030
Total gross deferred tax assets	200,688	199,852
Valuation allowance	(11,365)	(11,563)
Total net deferred tax assets	189,323	188,289
Property and equipment, principally due to differences in depreciation	(38,859)	(38,403)
Intangible assets	(31,827)	(30,132)
Deferred Tax Liabilities, Other	(1,050)	(1,568)
Total gross deferred tax liabilities	(71,736)	(70,103)
Net deferred tax assets	$ 117,587	$ 118,186