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Subsequent Events - Additional Information (Detail) (USD $)
12 Months Ended 0 Months Ended 0 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Jul. 28, 2014
Subsequent Events
Revolving credit facility
Jul. 31, 2014
Subsequent Events
Revolving credit facility
Jul. 28, 2014
Subsequent Events
Revolving credit facility
Jul. 02, 2014
Subsequent Events
Novus
Jul. 31, 2014
Subsequent Events
ProteinSimple
Subsequent Event [Line Items]                
Acquisitions, net of cash acquired $ 109,180,000 $ 0 $ 0       $ 60,000,000 $ 300,000,000
Borrowings under credit agreement           150,000,000    
Additional borrowings under credit agreement           150,000,000    
Credit agreement maturity date       Jul. 31, 2019        
Amount drawn under credit agreement         $ 125,000,000