INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2022
Operating Loss Carryforwards [Line Items]
Income tax expense	$ 63.7	$ 57.3		$ 82.4	$ 118.0
Income tax benefit recognition threshold more likely than not				50.00%
Alabama [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, valuation allowance	$ 42.9			$ 42.9
Increase in valuation allowance			$ 13.7
Alabama [Member] | State [Member] | Earliest Tax Year [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration year				2023
Alabama [Member] | State [Member] | Latest Tax Year [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration year				2029
Alabama [Member] | Forecast [Member]
Operating Loss Carryforwards [Line Items]
State net operating loss carryforwards						$ 61.6