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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Income Tax Disclosure [Abstract]          
Effective tax rate 19.40% 18.80% 19.40% 23.30%  
Prior year tax benefit       $ (74.3)  
Unrecognized tax benefits         $ 203.0
Unrecognized tax benefits adjusted         195.3
Amount of unrecognized tax benefits where significant change is reasonably possible         17.3
Accrued income tax interest and penalties         $ 26.2