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Inventory (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Jun. 30, 2014
Inventory Disclosure [Abstract]    
Raw materials $ 13,691us-gaap_InventoryRawMaterialsNetOfReserves $ 13,755us-gaap_InventoryRawMaterialsNetOfReserves
Work in process 12,263us-gaap_InventoryWorkInProcessNetOfReserves 12,677us-gaap_InventoryWorkInProcessNetOfReserves
Finished goods 4,057us-gaap_InventoryFinishedGoodsNetOfReserves 5,223us-gaap_InventoryFinishedGoodsNetOfReserves
Total $ 30,011us-gaap_InventoryNet $ 31,655us-gaap_InventoryNet