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ACCOUNTING POLICIES (Details 3) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Asset retirement obligation [Roll Forward]    
Beginning balance $ 65.0 $ 63.7
Accretion 3.2 3.4
Spending (8.1) (4.1)
Foreign currency translation adjustments 0.0 0.1
Adjustments 10.1 1.9
Ending balance $ 70.2 $ 65.0