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Income Taxes (Deferred Tax Assets And Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Oct. 01, 2017
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Income Tax Disclosure [Abstract] |  |
Accrued defined benefit pension and postretirement benefits | $ 34,776 | $ 67,334
Impairment | 11,388 | 18,697
Accrued insurance | 8,994 | 14,701
Tax loss and tax credit carryforwards | 7,458 | 11,841
Share-based compensation | 4,936 | 9,715
Lease commitments related to closed or refranchised locations | 4,696 | 9,382
Accrued incentive compensation | 2,055 | 628
Accrued vacation pay expense | 2,034 | 1,560
Deferred income | 1,535 | 2,289
Other reserves and allowances | 851 | 1,386
Interest rate swaps | 181 | 8,855
Other, net | 2,206 | 2,960
Total gross deferred tax assets | 81,110 | 149,348
Valuation allowance | (3,554) | (8,507)
Total net deferred tax assets | 77,556 | 140,841
Intangible assets | (10,492) | (15,995)
Deferred Tax Liabilities, Leasing Arrangements | (2,790) | (758)
Property and equipment, principally due to differences in depreciation | (1,855) | (18,406)
Deferred Tax Liabilities, Other | (279) | (564)
Total gross deferred tax liabilities | (15,416) | (35,723)
Net deferred tax assets | $ 62,140 | $ 105,118

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