INCOME TAX - Schedule of (Benefit) Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current:
Federal	$ 15.9	$ 18.1	$ 21.2
State	3.4	4.2	4.3
Foreign	0.3	0.2	0.2
Total current	19.6	22.5	25.7
Deferred:
Federal	(0.3)	0.9	0.0
State	0.2	0.2	0.1
Foreign	(0.4)	0.9	(0.1)
Total deferred	(0.5)	2.0	0.0
Income tax	$ 19.1	$ 24.5	$ 25.7