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Goodwill and IPR&D (Tables) | 3 Months Ended
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Mar. 31, 2017
Goodwill and IPR&D |
Schedule of changes in goodwill |
|  | (in millions) |
Balance at December 31, 2016 |  | $ | 197.8 |
Change in goodwill |  | — |
Balance at March 31, 2017 |  | $ | 197.8 |
Schedule of changes in IPR&D |
|  | (in millions) |
Balance at December 31, 2016 |  | $ | 486.7 |
Change in IPR&D |  | — |
Balance at March 31, 2017 |  | $ | 486.7 |

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