EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share [Abstract]
Income (loss) from continuing operations									$ (3.9)	$ (1.4)	$ 105.0
Income from discontinued operations, net									0.0	0.0	0.7
Net (loss) income	$ 17.5	$ 17.5	$ (1.0)	$ (37.9)	$ (62.7)	$ 5.9	$ 42.3	$ 13.1	$ (3.9)	$ (1.4)	$ 105.7
Basic shares (in shares)									165.2	103.4	78.6
Earnings per Share, Basic [Abstract]
Income (loss) from continuing operations									$ (0.02)	$ (0.01)	$ 1.33
Income from discontinued operations, net									0.00	0.00	0.01
Basic net (loss) income per share (in dollars per share)	$ 0.11	$ 0.11	$ (0.01)	$ (0.23)	$ (0.39)	$ 0.08	$ 0.55	$ 0.17	$ (0.02)	$ (0.01)	$ 1.34
Earnings per Share, Diluted [Abstract]
Basic shares (in shares)									165.2	103.4	78.6
Stock-based compensation (in shares)									0.0	0.0	1.1
Diluted shares (in shares)									165.2	103.4	79.7
Income (loss) from continuing operations									$ (0.02)	$ (0.01)	$ 1.32
Income from discontinued operations, net									0.00	0.00	0.01
Diluted net (loss) income per share (in dollars per share)	$ 0.10	$ 0.11	$ (0.01)	$ (0.23)	$ (0.39)	$ 0.08	$ 0.54	$ 0.17	$ (0.02)	$ (0.01)	$ 1.33
Antidilutive shares excluded from the computation of earnings per share (in shares)									6.5	5.2	0.6