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ACCOUNTING POLICIES (Employee liabilities) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Deferred compensation share-based arrangements, liability $ 67.7 $ 43.4
Stock granted, value $ 72.1 $ 43.3
Incentive Retention Program | Capital Units    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Vesting period (years) 4 years  
Redemption, period (years) 10 years  
Early redemption, period (years) 7 years  
Mandatory redemption period (years) 7 years