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Derivatives (Schedule Of Commodity Swap Contracts Outstanding) (Details) - Brass [Member] - Cash Flow Hedging [Member] $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 29, 2019 USD ($) T | Sep. 30, 2019 USD ($) T
Derivative [Line Items] |  |
Notional Amount | T | 0.9 | 0.9
Contract Value | $ | $ 4.2 | $ 4.4

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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