EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Earnings Per Share [Abstract]
Net income (loss)	$ 13.4	$ (37.9)
Basic shares (in shares)	165.6	165.1
Basic net income (loss) per share (in dollars per share)	$ 0.08	$ (0.23)
Earnings Per Share, Diluted [Abstract]
Basic shares (in shares)	165.6	165.1
Stock-based compensation (in shares)	2.3	0.0
Diluted shares (in shares)	167.9	165.1
Diluted net income (loss) per share (in dollars per share)	$ 0.08	$ (0.23)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2.4	7.0