v2.4.0.6
Acquisitions (Fair Values Of The Assets Acquired And Liabilities Assumed) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Arresto Biosciences, Inc. [Member]
Jan. 14, 2011
Arresto Biosciences, Inc. [Member]
Jan. 14, 2011
Arresto Biosciences, Inc. [Member]
Deferred Tax Assets [Member]
Jan. 14, 2011
Arresto Biosciences, Inc. [Member]
Deferred Tax Liabilities [Member]
Dec. 31, 2011
Calistoga Pharmaceuticals, Inc. [Member]
Apr. 02, 2011
Calistoga Pharmaceuticals, Inc. [Member]
Jul. 08, 2010
CGI Pharmaceuticals, Inc. [Member]
Jul. 08, 2010
CGI Pharmaceuticals, Inc. [Member]
Deferred Tax Assets [Member]
Jul. 08, 2010
CGI Pharmaceuticals, Inc. [Member]
Deferred Tax Liabilities [Member]
Business Acquisition [Line Items]                  
IPR&D   $ 117,000       $ 149,200 $ 26,630    
Goodwill 134,482 134,482     336,951 336,951 70,111    
Deferred tax assets (liabilities)     17,417 (41,705)       12,656 (6,313)
Other net liabilities assumed   (125)       (1,853) (984)    
Total consideration transferred   $ 227,069       $ 484,298 $ 102,100