FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2023

FAIR VALUE MEASUREMENTS [Abstract]

Fair Value Measurement on Recurring Basis

	Level 1 Fair Value
	September 30	December 31	September 30
in millions	2023	2022	2022
Fair Value Recurring
Rabbi Trust
Mutual funds	$          28.7	$          28.6	$          24.9
Total	$          28.7	$          28.6	$          24.9

	Level 2 Fair Value
	September 30	December 31	September 30
in millions	2023	2022	2022
Fair Value Recurring
Interest rate swaps	$          (2.1)	$           0.0	$           0.0
Rabbi Trust
Money market mutual fund	0.7	1.5	1.6
Total	$          (1.4)	$           1.5	$           1.6