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Hedging Transactions And Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions | Sep. 27, 2019 | Jun. 28, 2019 | Jan. 31, 2019
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Foreign currency contracts | Subsidiaries | Envista |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | $ 650.0 |  |
Net investment hedging | Foreign currency contracts |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | 1,650.0 |  | $ 1,900.0
Cash flow hedging | Interest rate swaps |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | 1,500.0 |  |
Cash flow hedging | Interest rate swaps | Subsidiaries | Envista |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | 650.0 |  |
U.S. dollar-denominated bonds | Net investment hedging | Foreign currency contracts |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | $ 1,000.0 |  | $ 1,900.0
U.S. dollar-denominated bonds | Cash flow hedging | Interest rate swaps |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount |  | $ 850.0 |

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