INCOME TAXES (Details 2) (USD $)	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
INCOME TAXES
Net operating loss	$ 264,200,000
Tax credit carryovers
Long-term liabilities relating to uncertain tax positions	12,100,000
Unrecognized tax benefits	8,649,000	30,463,000	51,992,000	53,359,000
Gross accrued interest and penalties	3,500,000
Decreases in unrecognized tax benefits	5,800,000
Net accrued interest and penalties	2,500,000	15,500,000	21,000,000
State
Tax credit carryovers
Amount of tax credit carryovers	1,300,000
Capital loss carryover
Tax credit carryovers
Amount of tax credit carryovers	$ 1,700,000