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
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