INCOME TAXES - Credits (Details) (USD $)	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
INCOME TAXES
Operating Loss Carryforwards	$ 164,300,000
Long-term liabilities relating to uncertain tax positions	15,800,000
Unrecognized tax benefits	13,046,000	12,889,000	8,649,000	30,463,000
Gross accrued interest and penalties	2,700,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	6,400,000
Decreases in unrecognized tax benefits	3,900,000
Unrecognized Tax Benefits, Interest on Income Taxes Expense	100,000	(700,000)	(11,700,000)
Unrecognized Tax Benefits, Income Tax Penalties Expense	(100,000)		(4,900,000)
Net accrued interest and penalties	$ 2,700,000	$ 2,700,000	$ 3,500,000