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Business Segment Information
3 Months Ended
Jun. 30, 2011
Business Segment Information [Abstract]  
Business Segment Information
9.   Business Segment Information:

The Company operates in only one segment.  Below is a breakdown of net sales by therapeutic class (in thousands):

   
Three Months Ended
 
   
June 30,
 
   
2011
  
2010
 
Central nervous system
 $942,582  $898,689 
Cardiovascular
  84,817   61,119 
Other
  76,736   60,318 
   $1,104,135  $1,020,126