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INCOME TAXES - Classification of Net Deferred Tax Liability (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Deferred tax asset, included in Other long-term assets $ 5.9 $ 3.9
Deferred tax liability, included in Deferred income taxes 180.9 141.0
Net deferred tax liability $ 175.0 $ 137.1