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INVENTORIES (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Sep. 30, 2014
INVENTORIES    
Raw materials $ 21,166us-gaap_InventoryRawMaterialsNetOfReserves $ 20,559us-gaap_InventoryRawMaterialsNetOfReserves
Work-in-process 7,907us-gaap_InventoryWorkInProcessNetOfReserves 6,909us-gaap_InventoryWorkInProcessNetOfReserves
Finished goods 27,733us-gaap_InventoryFinishedGoodsNetOfReserves 30,446us-gaap_InventoryFinishedGoodsNetOfReserves
Inventories $ 56,806us-gaap_InventoryNet $ 57,914us-gaap_InventoryNet