LONG-TERM DEBT (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended			0 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Mar. 25, 2012	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011	Dec. 18, 2012 11.50% senior secured notes due in 2017	Dec. 30, 2012 11.50% senior secured notes due in 2017	Dec. 29, 2013 11.50% senior secured notes due in 2017	Dec. 29, 2013 9.00% senior secured notes due in 2022	Dec. 29, 2013 4.625% notes due in 2014	Dec. 29, 2013 5.750% notes due in 2017
Extinguishment of debt
Face value of notes redeemed or repurchased			$ 155,908					$ 83,595	$ 10,000	$ 37,473	$ 24,840
Gain (loss) on extinguishment of debt	$ (12,800)	$ 4,400	$ (13,643)	$ (88,430)	$ (1,203)	$ (94,500)	$ (94,500)	$ (9,600)
Interest rate (as a percent)						11.50%	11.50%	11.50%	9.00%	4.625%	5.75%