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Segment Information (Tables)
3 Months Ended
Sep. 30, 2013
Segment Reporting [Abstract]  
Schedule of Segment Performance Measures
Three Months Ended September 30, 2013 and 2012:
   
 
Human
Health
   
 
Pharmaceutical
Ingredients
   
 
Performance
Chemicals
   
 
Unallocated
Corporate
   
 
Consolidated
Totals
 
2013
                             
Net sales
  $ 38,694     $ 48,424     $ 42,143     $ -     $ 129,261  
Gross profit
    11,141       15,262       7,331       -       33,734  
Income before income taxes
    5,535       11,004       3,302       (2,267 )     17,574  
                                         
2012
                                       
Net sales
  $ 26,409     $ 40,608     $ 44,731     $ -     $ 111,748  
Gross profit
    8,103       6,576       6,826       -       21,505  
Income before income taxes
    3,119       2,553       3,085       (1,135 )     7,622