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OTHER CURRENT LIABILITIES (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Subclassifications of assets, liabilities and equities [abstract]    
Current portion of provisions $ 6.5 $ 6.7
Current portion of deferred revenue 189.7 0.0
Current portion of other liabilities 22.7 27.9
Other current liabilities $ 218.9 $ 34.6