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Income Taxes (Schedule Of Tax Effects Of Temporary Differences That Generated Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Oct. 03, 2015 | Sep. 27, 2014
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Income Tax Disclosure [Abstract] |  |
Benefit accruals | $ 210,241 | $ 189,420
Inventory reserves | 32,948 | 31,270
Tax benefit carryforwards | 11,304 | 13,256
Contract loss reserves not currently deductible | 9,049 | 9,943
Other accrued expenses | 17,676 | 18,849
Total gross deferred tax assets | 281,218 | 262,738
Less valuation allowance | (6,642) | (5,316)
Total net deferred tax assets | 274,576 | 257,422
Differences in bases and depreciation of property, plant and equipment | 162,661 | 164,817
Pension | 70,273 | 70,124
Other | 0 | 486
Total gross deferred tax liabilities | 232,934 | 235,427
Net deferred tax assets | $ 41,642 | $ 21,995

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