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Income Taxes (Schedule Of Tax Effects Of Temporary Differences That Generated Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Oct. 01, 2016
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Income Tax Disclosure [Abstract] |  |
Benefit accruals | $ 204,017 | $ 237,261
Inventory reserves | 33,879 | 33,950
Tax benefit carryforwards | 9,598 | 17,349
Contract loss reserves not currently deductible | 15,994 | 10,931
Other accrued expenses | 17,689 | 17,669
Total gross deferred tax assets | 281,177 | 317,160
Less valuation allowance | (4,775) | (10,938)
Total net deferred tax assets | 276,402 | 306,222
Differences in bases and depreciation of property, plant and equipment | 169,562 | 163,977
Pension | 93,602 | 77,471
Total gross deferred tax liabilities | 263,164 | 241,448
Net deferred tax assets | $ 13,238 | $ 64,774

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- Definition Amount of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(15)(b)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(2)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(26)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(26)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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