EARNINGS PER SHARE - Computation of Weighted Average Shares Outstanding (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net (loss) income from continuing operations	$ (31.7)	$ 53.3	$ 38.1	$ 173.3
Net income attributable to non-controlling interests	(0.1)	(0.1)	0.0	(0.6)
Net (loss) income attributable to common stockholders	$ (31.8)	$ 53.2	$ 38.1	$ 172.7
Basic weighted average common shares outstanding (in shares)	241.5	244.7	241.4	246.4
Denominator adjustments for diluted EPS:
Number of stock options and RSUs (in shares)		0.3	0.4	0.8
Denominator adjustments for diluted EPS (in shares)	0.0	0.3	0.4	0.8
Diluted weighted average common shares outstanding (in shares)	241.5	245.0	241.8	247.2
(Loss) earnings per share from continuing operations attributable to common stockholders:
Basic (in dollars per share)	$ (0.13)	$ 0.22	$ 0.16	$ 0.70
Diluted (in dollars per share)	$ (0.13)	$ 0.22	$ 0.16	$ 0.70