INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions		12 Months Ended
	Feb. 27, 2012	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
INCOME TAXES
Section 382 Rights Agreement term	3 years
Interest expense related to unrecognized tax benefits		$ 0.0	$ 0.1	$ 21.6
Reduction in uncertain tax benefits due to payments		0.0	$ 0.0	$ 144.1
Unrecognized tax benefits, excluding accrued interest, which could significantly increase or decrease during the next twelve months		$ 0.0