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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Sep. 30, 2011
Inventories    
Raw Materials $ 27,654 $ 22,430
Work-in-process 129,642 136,227
Finished Goods 104,875 90,386
Other 1,065 1,008
Total $ 263,236 $ 250,051