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Acquisitions (Pending Acquisition) (Narrative) (Details) - USD ($) $ in Millions |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 27, 2019 | Feb. 25, 2019 | Sep. 27, 2019 | Dec. 31, 2018
Business Acquisition [Line Items] |  |  |  |
Pending acquisition, purchase price |  |  | $ 331.1 |
Pending acquisition, revenue for last annual period |  |  | $ 72.0 |
Pending divestiture, revenue |  |  |  | $ 140.0
Biopharma Acquisition |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Pending acquisition, purchase price |  | $ 21,000.0 |  |
Pending acquisition, pension liabilities to be assumed |  | 400.0 |  |
Pending acquisition, revenue for last annual period |  | $ 3,000.0 |  |
Proceeds from issuance of common stock and preferred stock, proceeds from issuance of debt and available cash | $ 3,000.0 |  |  |

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