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INVENTORIES (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Inventory Disclosure [Abstract]    
Raw material $ 130,403,000 $ 153,308,000
Work-in-process 54,190,000 69,030,000
Finished goods 208,821,000 154,785,000
Inventory, Gross 393,414,000 377,123,000
Adjustment to LIFO basis (8,494,000) (10,738,000)
Inventory, Net 384,920,000 366,385,000
Effect of LIFO Inventory Liquidation on Income $ 3,100,000 $ 4,700,000