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EARNINGS PER SHARE - BASIC AND DILUTED EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net income for basic earnings per share	$ 13.7	$ 112.3
Net income for diluted earnings per share	$ 13.7	$ 112.3
Shares:
Weighted average shares outstanding for basic earnings per share (in shares)	100,743	108,964
Effect of dilutive securities on weighted average shares:
Amounts related to employee benefit plans (in shares)	2,327	1,881
Weighted average shares outstanding for diluted earnings per share (in shares)	103,070	110,845

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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