INCOME TAXES (Schedule of Income Tax Reconciliation) (Details)	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
INCOME TAXES [Abstract]
Federal income tax rate	35.00%	35.00%	35.00%
State tax rate, net	2.30%	2.50%	2.60%
Permanent items	1.40%	1.50%	(0.80%)
Permanent items - reorganization costs	0.00%	0.00%	0.10%
Domestic production activity	(1.20%)	0.00%	(0.80%)
Difference in U.S. statutory tax rate and foreign country effective tax rate	(1.00%)	(3.30%)	0.00%
Tax credits	(3.00%)	(2.30%)	1.80%
Change in reserve for unrecognized tax benefits	0.00%	(10.40%)	(2.50%)
Change in valuation allowance	(31.00%)	(34.40%)	(35.30%)
Change in tax legislation	0.00%	0.00%	0.90%
Other	1.70%	(2.30%)	(2.80%)
Total	4.20%	(13.70%)	(1.80%)