INCOME TAXES - Reconciliation of the Statutory Federal Income Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Statutory rate	21.00%
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Tax computed at the statutory rate	$ 29.0	$ 97.1	$ 31.8
Tax deduction in excess of book compensation from restricted stock vesting	0.0	0.0	0.1
Domestic permanent differences, primarily disallowed executive compensation	7.8	8.1	7.2
Foreign permanent differences, primarily non-deductible depreciation, amortization and interest expenses in the United Kingdom	1.7	8.2	2.0
Effect of foreign operations, net of foreign tax credit	(8.8)	7.4	(3.7)
Noncontrolling interests	(1.1)	(2.6)	(0.9)
State income taxes, net of federal benefit	2.8	7.0	2.9
Other	4.8	1.0	4.2
Provision for income taxes	$ 36.2	$ 126.2	$ 43.6