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Hedging Transactions And Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 02, 2020 | Sep. 27, 2019 | Oct. 02, 2020 | Sep. 27, 2019
Cash flow hedge adjustments |  |  |  |
Derivative [Line Items] |  |  |  |
Increase | $ 167.5 | $ 0.0 | $ 184.5 | $ 0.0
Cash flow hedge adjustments | Foreign currency contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Increase | 167.0 |  | 183.0 |
Cash flow hedge adjustments | Interest rate swap |  |  |  |
Derivative [Line Items] |  |  |  |
Increase | 1.0 |  | 2.0 |
Net investment hedges | Foreign currency contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount outstanding | 2,000.0 | $ 1,650.0 | $ 2,000.0 | $ 1,650.0
Derivative, notional amount, entered into during period | $ 1,000.0 |  |  |

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