Description Of Business and Basis Of Presentation (New Accounting Pronouncements) (Details) $ in Millions	9 Months Ended
	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