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Unaudited Quarterly Financial Data (Narrative) (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2016
Mar. 31, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Effect of Fourth Quarter Events [Line Items]          
Environmental remediation charge       $ 1,313 $ 1,618
Contingent consideration       (1,074) (3,468)
Change in estimate for product returns         3,497
France          
Effect of Fourth Quarter Events [Line Items]          
Contingent consideration   $ (241)      
Pack Pharmaceuticals Llc          
Effect of Fourth Quarter Events [Line Items]          
Contingent consideration   $ (833) $ (3,468) (833) $ (3,468)
Arsynco, Inc          
Effect of Fourth Quarter Events [Line Items]          
Environmental remediation charge $ 1,313     $ 1,618