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DERIVATIVE FINANCIAL INSTRUMENTS (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2013
Sep. 23, 2012
Sep. 29, 2013
Sep. 23, 2012
DERIVATIVE FINANCIAL INSTRUMENTS [Abstract]        
Net gains (losses) on derivative financial instruments $ 8,000 $ 5,900 $ 21,900 $ 3,700