FAIR VALUE MEASUREMENTS (Schedule of Change in Value of Level 3 Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Borrowings		$ 288,500
Fair Value, Inputs, Level 3 [Member] | Term Notes and Revolver [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance, beginning of period	424,650	686,435
Borrowings		292,400
Payments	(204,880)	(314,874)
Change in fair value inputs	(4,588)	(14,795)
Balance, end of period	215,182	649,166
Fair Value, Inputs, Level 3 [Member] | Capital Lease Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance, beginning of period	704	880
Borrowings
Payments	(33)	(30)
Change in fair value inputs	(3)	(8)
Balance, end of period	$ 668	$ 842