Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 0 Months Ended
Jul. 31, 2012
claim
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Accrued Liabilities [Member]
Dec. 31, 2012
Accrued Liabilities [Member]
Dec. 31, 2013
Other Noncurrent Liabilities [Member]
Dec. 31, 2012
Other Noncurrent Liabilities [Member]
May 06, 2013
Pending Litigation [Member]
PROLOR Biotech, Inc. Shareholders' Litigation [Member]
Suit
Loss Contingencies [Line Items]                
Number of putative class action suits filed               5
Number of claims included in post-payment audit 183              
Business Acquisition, Contingent Consideration [Line Items]                
Contingent consideration   $ 71.6 $ 20.1 $ 28.0 $ 5.1 $ 43.6 $ 15.0