Annual report pursuant to Section 13 and 15(d)

Inventories - Additional Information (Detail)

v2.4.0.6
Inventories - Additional Information (Detail) (Proteins and Antibodies, USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Jun. 30, 2011
Proteins and Antibodies
   
Schedule of Inventory [Line Items]    
Excess protein and antibody inventory $ 23.3 $ 21.8