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Acquisitions (Pro Forma Financial Information) (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 02, 2020 | Jul. 03, 2020 | Sep. 27, 2019 | Oct. 02, 2020 | Sep. 27, 2019
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |  |  |  |  |
Pretax gain on sale of product lines | $ 0.0 | $ 455.0 | $ 0.0 | $ 454.6 | $ 0.0
Gain on sale of product lines, net of tax |  | $ 305.0 |  |  |
Gain on sale of product lines, net of tax, per diluted common share |  | $ 0.42 |  |  |
Cytiva |  |  |  |  |
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |  |  |  |  |
Pretax gain on sale of product lines |  |  |  | 455.0 |
Cytiva | Fair value adjustment to inventory |  |  |  |  |
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |  |  |  |  |
Pro forma earnings, adjustments |  |  | 43.0 |  | 480.0
Cytiva | Acquisition-related transaction costs |  |  |  |  |
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |  |  |  |  |
Pro forma earnings, adjustments |  |  | $ 30.0 | $ 59.0 | $ 63.0

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