EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Income from continuing operations, net	$ 5.9	$ 26.1	$ 61.3	$ 92.2
Income from discontinued operations, net	0.0	0.0	0.0	0.7
Net income	$ 5.9	$ 26.1	$ 61.3	$ 92.9
Basic shares (in shares)	77.6	78.4	77.5	78.8
Earnings Per Share, Basic [Abstract]
Income from continuing operations, net	$ 0.08	$ 0.33	$ 0.79	$ 1.17
Income from discontinued operations, net	0.00	0.00	0.00	0.01
Basic net income per share (in dollars per share)	$ 0.08	$ 0.33	$ 0.79	$ 1.18
Earnings Per Share, Diluted [Abstract]
Basic shares (in shares)	77.6	78.4	77.5	78.8
Stock-based compensation (in shares)	0.7	1.1	1.0	1.2
Diluted shares (in shares)	78.3	79.5	78.5	80.0
Income from continuing operations, net	$ 0.08	$ 0.33	$ 0.78	$ 1.15
Income from discontinued operations, net	0.00	0.00	0.00	0.01
Diluted net income per share (in dollars per share)	$ 0.08	$ 0.33	$ 0.78	$ 1.16
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2.4	0.6	1.4	0.6