LONG-TERM DEBT (Details) (USD $)	Mar. 31, 2013	Dec. 30, 2012
Long-term debt disclosures
Face Value	$ 1,565,681,000
Carrying Value	1,528,442,000	1,670,346,000
Less current portion		83,016,000
Total long-term debt, net of current	1,528,442,000	1,587,330,000
Unamortized discounts	37,200,000	41,200,000
9.00% senior secured notes due in 2022
Long-term debt disclosures
Interest rate (as a percent)	9.00%
Face Value	910,000,000
Carrying Value	910,000,000	910,000,000
11.50% senior secured notes due in 2017
Long-term debt disclosures
Interest rate (as a percent)	11.50%
Carrying Value		83,016,000
4.625% notes due in 2014
Long-term debt disclosures
Interest rate (as a percent)	4.625%
Face Value	28,965,000
Carrying Value	28,170,000	64,326,000
5.750% notes due in 2017
Long-term debt disclosures
Interest rate (as a percent)	5.75%
Face Value	261,298,000
Carrying Value	250,423,000	273,559,000
7.150% debentures due in 2027
Long-term debt disclosures
Interest rate (as a percent)	7.15%
Face Value	89,188,000
Carrying Value	83,389,000	83,291,000
6.875% debentures due in 2029
Long-term debt disclosures
Interest rate (as a percent)	6.875%
Face Value	276,230,000
Carrying Value	$ 256,460,000	$ 256,154,000