SUBSEQUENT EVENTS (Details) (USD $)	0 Months Ended
	Oct. 29, 2013 Subsequent Event [Member]	Oct. 29, 2013 Line of Credit [Member] Subsequent Event [Member]	Sep. 30, 2013 Senior secured credit facility due 2018 [Member] Line of Credit [Member]	Oct. 29, 2013 Senior secured credit facility due 2018 [Member] Line of Credit [Member] Subsequent Event [Member]	Nov. 07, 2013 Senior Secured Notes Due in 2020 [Member] Secured Debt [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Borrowing capacity under credit agreements			$ 102,500,000.0	$ 125,000,000.0
Covenant terms, due date when senior notes refinancing reaches specified amount, number of days prior to the maturity of debt incurred under senior notes refinaincing, days		60 days
Covenant, senior note refinaning maximum		300,000,000
Senior notes	200,000,000
Covenant, leverage ratio if senior notes refinancing reaches a specified amount, leverage ratio		4.25
Covenant, senior notes refinancing must mature outside the expiration date of the loan agreement, number of months		6 months
Debt Instrument, Face Amount					$ 200,000,000