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Description Of Business and Basis Of Presentation (New Accounting Pronouncements) (Details) $ in Millions | 9 Months Ended
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Jun. 28, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Document Period End Date | Jun. 28, 2019
Minimum [Member] | Accounting Standards Update 2016-02 [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ 150
Maximum [Member] | Accounting Standards Update 2016-02 [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ 170

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