v2.4.0.6
Segment Information (Schedule Of Revenues From Each Customer Who Individually Accounted For 10% Or More Of Total Revenues) (Details)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cardinal Health, Inc. [Member]
   
Segment Reporting Information [Line Items]    
Percentage of Total Revenues from Customers 20.00% 17.00%
McKesson Corp. [Member]
   
Segment Reporting Information [Line Items]    
Percentage of Total Revenues from Customers 16.00% 15.00%
AmerisourceBergen Corp. [Member]
   
Segment Reporting Information [Line Items]    
Percentage of Total Revenues from Customers 11.00% 13.00%