EARNINGS PER SHARE - Reconciliation of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share
Net income (loss) attributable to common shareholders	$ 42,000,000	$ 109,000,000	$ 219,000,000	$ 303,000,000
Numerator used to calculate diluted earnings (loss) per share	$ 47,000,000	$ 110,000,000	$ 233,000,000	$ 307,000,000
Shares for basic earnings (loss) per share (in shares)	36,400	39,500	36,900	41,100
Effect of dilutive shares outstanding
Employee SARs (in shares)	100	200	100	200
Restricted stock units (in shares)	300	300	300	300
Shares for diluted earnings (loss) per share (in shares)	43,300	43,400	43,800	45,900
Diluted (in usd per share)	$ 1.09	$ 2.53	$ 5.33	$ 6.68
Convertible notes
Antidilutive Securities Excluded from Computation of Earnings Per Share
Add back of interest expense related to convertible notes, net of tax	$ 5,000,000	$ 1,000,000	$ 14,000,000	$ 4,000,000
2022 Convertible Notes
Effect of dilutive shares outstanding
Convertible Notes (in shares)	0	0	0	900
2022 Convertible Notes | Convertible notes
Antidilutive Securities Excluded from Computation of Earnings Per Share
Principal amount							$ 230,000,000
2026 Convertible Notes
Effect of dilutive shares outstanding
Convertible Notes (in shares)	3,500	3,400	3,500	3,400
2026 Convertible Notes | Convertible notes
Antidilutive Securities Excluded from Computation of Earnings Per Share
Principal amount						$ 575,000,000
2027 Convertible Notes
Effect of dilutive shares outstanding
Convertible Notes (in shares)	3,000	0	3,000	0
2027 Convertible Notes | Convertible notes
Antidilutive Securities Excluded from Computation of Earnings Per Share
Principal amount					$ 575,000,000
Add back of interest expense related to convertible notes, net of tax	$ 5,000,000	$ 0	$ 16,000,000	$ 0
Performance Shares
Effect of dilutive shares outstanding
Shares excluded from the calculation of diluted earnings per share (in shares)	200	293	200	293