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Inventories (Schedule Of Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Sep. 30, 2014
Inventory [Line Items]    
Finished goods $ 19,169us-gaap_InventoryFinishedGoodsNetOfReserves $ 18,949us-gaap_InventoryFinishedGoodsNetOfReserves
Work in process, including long-term contracts 35,096us-gaap_InventoryWorkInProcessNetOfReserves 31,634us-gaap_InventoryWorkInProcessNetOfReserves
Raw materials 46,750us-gaap_InventoryRawMaterialsNetOfReserves 43,709us-gaap_InventoryRawMaterialsNetOfReserves
Total inventories $ 101,015us-gaap_InventoryNet $ 94,292us-gaap_InventoryNet