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INVENTORIES - Summary of Inventory (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2013
Dec. 30, 2012
Inventory Disclosure [Abstract]    
Materials and supplies $ 6,489 $ 5,554
Jobs in process 2,860 1,812
Finished products 52,590 36,915
Total $ 61,939 $ 44,281