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
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