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Shareholder's Equity (Summary Of Activity Of Common Stock Repurchase Program) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended
--- | ---
Dec. 29, 2019 | Dec. 30, 2018
Equity, Class of Treasury Stock [Line Items] |  |
Number of Shares Repuchased | 3.2 | 0.3
Average Price Per Share | $ 61.92 | $ 56.02
Amount | $ 196.9 | $ 18.5
Open Market Purchases [Member] |  |
Equity, Class of Treasury Stock [Line Items] |  |
Number of Shares Repuchased | 1.3 |
Average Price Per Share | $ 62.06 |
Amount | $ 81.4 |
Private Purchases [Member] |  |
Equity, Class of Treasury Stock [Line Items] |  |
Number of Shares Repuchased | 0.2 | 0.3
Average Price Per Share | $ 62.30 | $ 56.02
Amount | $ 9.2 | $ 18.5
ASR [Member] |  |
Equity, Class of Treasury Stock [Line Items] |  |
Number of Shares Repuchased | 1.7 |
Average Price Per Share | $ 61.79 |
Amount | $ 106.3 |

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