COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	1 Months Ended		3 Months Ended	1 Months Ended
	Mar. 30, 2014 ERISA Litigation [Member] Minimum [Member]	Dec. 12, 2012 Due To Internal Revenue Service [Member]	May 31, 2010 Due To Internal Revenue Service [Member]	Mar. 30, 2014 Due To Internal Revenue Service [Member] Proceeding Accounts [Member]	Sep. 30, 2011 Due To Internal Revenue Service [Member] Loss Contingencies Awarded Original Value [Member]	Dec. 31, 2011 Due To Internal Revenue Service [Member] Loss Contingencies Awarded Revised Value [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value					$ 25,800	$ 25,600
Loss Contingency, Damages Sought, Value	$ 35,000	$ 29,300	$ 74,700	$ 45,400