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GOODWILL AND INTANGIBLE ASSETS, NET - Schedule of Goodwill (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill, gross $ 245.3 $ 245.1 $ 210.5
Accumulated impairment (5.8) (5.8) (5.8)
Goodwill, net $ 239.5 $ 239.3 $ 204.7