SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Weighted-Average Common Shares Outstanding Assuming Dilution) (Details) - shares shares in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Weighted-average common shares outstanding	133.0	132.8	132.6
Dilutive effect of SOSARs	0.2	0.3	0.3
Dilutive effect of Other stock compensation awards	0.4	0.4	0.3
Weighted-average common shares outstanding, assuming dilution	133.6	133.5	133.2