v2.4.0.6
Segment information (Details Textual)
 12 Months Ended
Dec. 31, 2012
customer
Dec. 31, 2011
customer
Dec. 31, 2010
customer
Segment Information (Textual) [Abstract]      
Number of major customers (as defined) accounting for more than 10% of total revenue 3 3 3
Threshold as a percentage of total revenues for determining a major customer for additional disclosures 10.00% 10.00% 10.00%
Percentage of worldwide gross revenues derived from major customers (as defined) on a combined basis 76.00%    
Percentage of United States gross product sales derived from major customers (as defined) on a combined basis 94.00%    
Major customers (as defined) accounting for more than 10% of gross trade receivables 3 3  
Combined trade receivables for all major customers (as defined) as a percentage of net trade receivables 61.00% 60.00%  
Percentage of net trade receivables due from customers located outside the United States, primarily in Europe 36.00% 39.00%  
AmerisourceBergen Corporation [Member]
      
Revenue, Major Customer [Line Items]      
Amount due from major customer (as defined) as a percentage of gross trade receivables exceeded 10% exceeded 10%  
McKesson Corporation [Member]
      
Revenue, Major Customer [Line Items]      
Amount due from major customer (as defined) as a percentage of gross trade receivables exceeded 10% exceeded 10%  
Cardinal Health, Inc. [Member]
      
Revenue, Major Customer [Line Items]      
Amount due from major customer (as defined) as a percentage of gross trade receivables exceeded 10% exceeded 10%