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Goodwill and Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2017
Goodwill and Intangible Assets  
Schedule of changes in IPR&D

                                                                                                                                                                         

 

 

(in millions)

 

Balance at December 31, 2016

 

$

486.7

 

Impairment in IPR&D related to Scioderm

 

 

(463.7

)

​  

​  

Balance at December 31, 2017

 

$

23.0

 

​  

​  

​  

​  

 

Schedule of changes in goodwill

                                                                                                                                                                         

 

 

(in millions)

 

Balance at December 31, 2016

 

$

197.8

 

Change in goodwill

 

 

 

​  

​  

Balance at December 31, 2017

 

$

197.8

 

​  

​  

​  

​