Annual report pursuant to Section 13 and 15(d)

Inventories - Additional Information (Detail)

 v2.3.0.11
Inventories - Additional Information (Detail) (Proteins and Antibodies, USD $)
In Millions
Jun. 30, 2011
Jun. 30, 2010
Proteins and Antibodies
   
Schedule of Inventory [Line Items]    
Excess protein and antibody inventory $ 21.8 $ 19.9