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Note 6 Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Mar. 31, 2014
Inventory Net [Abstract]    
Raw Materials $ 21,458 $ 19,957
Work in Process 42,824 44,165
Finished Goods 28,863 28,906
Inventory Net, Total $ 93,145 $ 93,028