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INVENTORIES (Schedule of Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Mar. 31, 2012
Inventory Disclosure [Abstract]    
Raw materials $ 43,493 $ 41,219
Work-in-process 4,151 4,640
Finished goods 79,199 71,304
Inventories, net $ 126,843 $ 117,163