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Components of Inventories (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Jun. 30, 2012
Inventories [Line Items]    
Raw materials $ 61,769 $ 59,105
Work in progress 50,348 39,292
Finished goods 40,756 39,210
Inventories, Total $ 152,873 $ 137,607