EARNINGS PER SHARE - Reconciliation of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2017
Computation of Basic Earnings (Loss) Per Share Attributable to Common Shareholders
Net income (loss) attributable to common shareholders	$ 109,000,000	$ 10,000,000	$ 303,000,000	$ (12,000,000)
Shares for basic earnings (loss) per share (in shares)	39,500	42,900	41,100	42,400
Basic earnings (loss) per share (in usd per share)	$ 2.76	$ 0.24	$ 7.39	$ (0.28)
Computation of Diluted Earnings (Loss) Per Share Attributable to Common Shareholders
Numerator used to calculate diluted earnings (loss) per share	$ 110,000,000	$ 10,000,000	$ 307,000,000	$ (12,000,000)
Effect of dilutive shares outstanding
Employee stock options and SARs (in shares)	200	200	200	0
Restricted stock units (in shares)	300	500	300	0
Shares for diluted earnings (loss) per share (in shares)	43,400	43,700	45,900	42,400
Diluted earnings (loss) per share (in usd per share)	$ 2.53	$ 0.23	$ 6.68	$ (0.28)
Shares excluded from the calculation of diluted earnings per share (in shares)				800
2022 Convertible Notes
Effect of dilutive shares outstanding
Convertible Notes (in shares)	0	100	900	0
2026 Convertible Notes
Effect of dilutive shares outstanding
Convertible Notes (in shares)	3,400	0	3,400	0
Convertible notes
Computation of Diluted Earnings (Loss) Per Share Attributable to Common Shareholders
Add back of interest expense related to convertible notes subsequent to the adoption of ASU 2020-06, net of tax	$ 1,000,000	$ 0	$ 4,000,000	$ 0
Convertible notes | 2022 Convertible Notes
Computation of Diluted Earnings (Loss) Per Share Attributable to Common Shareholders
Add back of interest expense related to convertible notes subsequent to the adoption of ASU 2020-06, net of tax	6,000,000	2,000,000	9,000,000	9,000,000
Effect of dilutive shares outstanding
Principal amount						$ 230,000,000
Convertible notes | 2026 Convertible Notes
Computation of Diluted Earnings (Loss) Per Share Attributable to Common Shareholders
Add back of interest expense related to convertible notes subsequent to the adoption of ASU 2020-06, net of tax	$ 1,000,000	$ 7,000,000	$ 2,000,000	$ 18,000,000
Effect of dilutive shares outstanding
Principal amount					$ 575,000,000
Performance shares
Effect of dilutive shares outstanding
Shares excluded from the calculation of diluted earnings per share (in shares)	293	298	293	298