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Acquisitions Acquisitions (Details 1) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015 | Feb. 12, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 3,669.3 | $ 2,663.8 |  | $ 1,760.2
Convergence Pharmaceuticals |  |  |  |
Business Acquisition [Line Items] |  |  |  |
In-process research and development |  |  | $ 424.6 |
Other intangible assets |  |  | 7.6 |
Goodwill |  |  | 128.3 |
Deferred tax liability |  |  | (84.9) |
Other, net |  |  | (1.0) |
Total purchase price |  |  | $ 474.6 |

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