SUBSEQUENT EVENT (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Feb. 05, 2013
Subsequent Event [Line Items]
Subsequent Event, Date	Feb. 05, 2013
Debt instrument, face amount	$ 350,000
Term Loans [Member]
Subsequent Event [Line Items]
Total leverage ratio for determining margin adjustment decrease on term loan	3.00:1:00
Incremental decrease in rate	0.25%
Debt maturity date	Dec. 28, 2018
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Debt instrument, face amount	125,000
Initial loan amount	$ 75,000
Initial Total leverage threshold for commitment fee	1.50:1.00
Total leverage threshold for increase in commitment fee	2.00:1.00
Initial commitment fees	0.25%
New commitment fees	0.375%
Debt maturity date	Dec. 28, 2017
LIBOR Rate [Member] | Term Loans [Member]
Subsequent Event [Line Items]
Description of Variable Rate Basis	LIBOR
Initial margin adjustment	4.75%
Amended margin adjustment	3.50%
New margin rate after decrease in rate	3.25%
Variable base rate floor	1.25%
LIBOR Rate [Member] | Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Description of Variable Rate Basis	LIBOR
Initial margin adjustment	4.75%
Amended margin adjustment	4.00%
Variable base rate floor	1.25%
ABR Rate Option [Member] | Term Loans [Member]
Subsequent Event [Line Items]
Description of Variable Rate Basis	ABR
Initial margin adjustment	3.75%
Amended margin adjustment	2.50%
New margin rate after decrease in rate	2.25%
Variable base rate floor	2.25%
ABR Rate Option [Member] | Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Description of Variable Rate Basis	ABR
Initial margin adjustment	3.75%
Amended margin adjustment	3.00%
Variable base rate floor	2.25%