LONG-TERM DEBT (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		0 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 24, 2012	Jun. 30, 2013	Jun. 24, 2012	Dec. 18, 2012 11.50% senior secured notes due in 2017	Jun. 30, 2013 11.50% senior secured notes due in 2017	Jun. 30, 2013 4.625% notes due in 2014	Jun. 30, 2013 5.750% notes due in 2017
Extinguishment of debt
Face value of notes redeemed or repurchased	$ 0		$ 145,908	$ 70,500		$ 83,595	$ 37,473	$ 24,840
Gain (loss) on extinguishment of debt		$ 1,653	$ (12,770)	$ 6,086	$ (94,500)	$ (9,600)