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Basis Of Presentation And Significant Accounting Policies (Summary Of Transactions Related Charges) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 29, 2020 | Mar. 31, 2019 | Mar. 29, 2020 | Mar. 31, 2019
Business Acquisition [Line Items] |  |  |  |
Total transaction-related charges | $ 7.2 | $ 5.3 | $ 11.3 | $ 11.6
Coevorden Operations [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total transaction-related charges | 1.5 |  | 1.7 |
GBL Divestiture [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total transaction-related charges | 2.7 | 2.5 | 5.1 | 2.5
Omega Sea Acquisition [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total transaction-related charges | 1.3 |  | 1.3 |
Other [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total transaction-related charges | $ 1.7 | $ 2.8 | $ 3.2 | $ 9.1

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