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Income Taxes (Schedule Of Tax Effects Of Temporary Differences That Generated Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 28, 2013 | Sep. 29, 2012
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Income Tax Disclosure [Abstract] |  |
Benefit accruals | $ 164,458 | $ 219,396
Inventory reserves | 29,873 | 30,953
Tax benefit carryforwards | 14,376 | 14,928
Contract loss reserves not currently deductible | 10,885 | 12,124
Other accrued expenses | 17,249 | 14,563
Total gross deferred tax assets | 236,841 | 291,964
Less valuation allowance | (4,006) | (1,746)
Total net deferred tax assets | 232,835 | 290,218
Differences in bases and depreciation of property, plant and equipment | 174,743 | 172,253
Pension | 55,157 | 49,293
Deferred Tax Liabilities, Unrealized Currency Transaction Gains | 0 | 1,963
Other | 216 | 415
Total gross deferred tax liabilities | 230,116 | 223,924
Net deferred tax assets | $ 2,719 | $ 66,294

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