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Acquisitions Acquisitions (Details 1) - USD ($) $ in Millions | Dec. 31, 2015 | Feb. 12, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 2,663.8 |  | $ 1,760.2 | $ 1,232.9
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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