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INCOME TAXES (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Tax Disclosure [Abstract]          
Effective income tax rate (15.00%) 34.40% (2.50%) 36.60%  
Valuation allowance $ 17.7   $ 17.7    
Income tax valuation, charge to income 16.2        
Income tax valuation allowance, increase to AOCI 1.5        
Unrecognized tax benefits 0.2   0.2   $ 0.2
Deferred tax asset valuation allowance     20.7   $ 3.0
Recognized benefit related to uncertain tax positions 0.0 $ 0.0 0.0 $ 0.0  
Income tax expense from uncertain tax position (less than) $ 0.1 $ 0.1 $ 0.1 $ 0.1