SHARE-BASED COMPENSATION (Details) - Time Based And Performance Based Shares - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
SHARE-BASED AWARDS
Shares granted	7,400		152,100
Weighted average grant date fair value (in dollars per share)	$ 109.64		$ 122.15
Total unrecognized compensation cost	$ 34.1		$ 34.1
Unrecognized compensation cost over weighted average period to be recognized			2 years
Selling, general and administrative expenses
SHARE-BASED AWARDS
Total stock-based compensation cost	$ 6.3	$ 5.2	$ 12.0	$ 9.8