Acquisition (Tables)
 3 Months Ended
Mar. 31, 2015
Business Combinations [Abstract]  
Consideration transferred
The fair value of consideration transferred to acquire the license amounted to:
 
Fair Value at the Acquisition Date
Cash
$
710.0

Contingent consideration
1,060.0

Total fair value of consideration transferred
$
1,770.0
Purchase price allocation
The purchase price allocation resulted in the following amounts being allocated to the assets acquired at the acquisition date based on their respective fair values:
 
Fair Value at the Acquisition Date
In-process research and development product rights
$
1,620.0

Current deferred tax asset
1.3

Non-current deferred tax liabilities, net
(1.3
)
Total identifiable net assets
1,620.0

Goodwill
150.0

Total net assets acquired
$
1,770.0