LONG-TERM DEBT - Extinguishment (Details) (USD $)	3 Months Ended		12 Months Ended
	Dec. 28, 2014	Mar. 31, 2013	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Extinguishment of debt
Repayments of Debt					$ 762,400,000
Face value of notes redeemed or repurchased			494,214,000	155,900,000
Gain (loss) on extinguishment of debt	(72,800,000)	(12,800,000)	(72,777,000)	(13,643,000)	(88,430,000)
Notes repurchased privately					70,500,000
9.00% senior secured notes due in 2022
Extinguishment of debt
Face value of notes redeemed or repurchased			344,215,000
Debt Instrument, Interest Rate, Stated Percentage	9.00%		9.00%	9.00%	9.00%
4.625% notes due in 2014
Extinguishment of debt
Repayments of Debt			29,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.625%		4.625%	4.625%
5.750% notes due in 2017
Extinguishment of debt
Face value of notes redeemed or repurchased			$ 149,999,000
Debt Instrument, Interest Rate, Stated Percentage	5.75%		5.75%	5.75%