BASIS OF PRESENTATION (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 19, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Line of Credit Facility [Line Items]
Dividends declared (in dollars per share)		$ 0.25	$ 0.80	$ 0.75	$ 1.78	$ 2.03
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Capitalized debt costs		$ 0.6		$ 0.6
Non Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Capitalized debt costs		$ 3.4		$ 3.4
Subsequent Event [Member]
Line of Credit Facility [Line Items]
Dividends declared (in dollars per share)	$ 0.25