EARNINGS (LOSS) PER SHARE - Earnings Per Share Reconciliation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Basic earnings (loss) per share computation:
Net income (loss)	$ 178.1	$ (5.9)	$ 83.2	$ 50.3	$ 172.2	$ 133.5
Weighted-average number of shares outstanding - basic (in shares)	374,734,093		379,938,365		376,934,638	379,039,072
Basic earnings per share (in dollars per share)	$ 0.48		$ 0.22		$ 0.46	$ 0.35
Diluted earnings (loss) per share computation:
Net income (loss)	$ 178.1	$ (5.9)	$ 83.2	$ 50.3	$ 172.2	$ 133.5
Weighted-average number of shares outstanding - basic (in shares)	374,734,093		379,938,365		376,934,638	379,039,072
Dilutive effect of equity-based compensation (in shares)	9,753,976		2,412,845		10,066,790	2,077,117
Weighted-average number of shares outstanding - diluted (in shares)	384,488,069		382,351,210		387,001,428	381,116,189
Diluted earnings (loss) per share (in dollars per share)	$ 0.46		$ 0.22		$ 0.44	$ 0.35