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Inventories (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 29, 2014
Dec. 31, 2013
Inventory Net    
Raw materials $ 28,826 $ 26,012
Work-in process 13,464 10,512
Finished goods 57,676 56,998
Supplies 533 552
Inventory, Net $ 100,499 $ 94,074