EARNINGS (LOSS) PER SHARE - Earnings Per Share Reconciliation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Basic earnings (loss) per share computation:
Net income (loss)	$ 176.6	$ 178.1	$ (5.9)	$ 94.1	$ 83.2	$ 50.3	$ 348.8	$ 227.6
Weighted-average number of shares outstanding - basic (in shares)	375,203,364			380,899,419			376,353,335	379,666,002
Basic earnings per share (in dollars per share)	$ 0.47			$ 0.25			$ 0.93	$ 0.60
Diluted earnings (loss) per share computation:
Net income (loss)	$ 176.6	$ 178.1	$ (5.9)	$ 94.1	$ 83.2	$ 50.3	$ 348.8	$ 227.6
Weighted-average number of shares outstanding - basic (in shares)	375,203,364			380,899,419			376,353,335	379,666,002
Dilutive effect of equity-based compensation (in shares)	9,112,701			7,341,245			9,752,894	4,166,266
Weighted-average number of shares outstanding - diluted (in shares)	384,316,065			388,240,664			386,106,229	383,832,268
Diluted earnings (loss) per share (in dollars per share)	$ 0.46			$ 0.24			$ 0.90	$ 0.59