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Inventories (Schedule of Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Sep. 30, 2011
Inventories    
Raw Materials $ 30,943 $ 43,172
Work in progress 94,112 108,718
Inventory, Component Parts and Finished Goods, Net of Reserves 298,939 229,665
Inventory, net $ 423,994 $ 381,555