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LEASES - Maturities of lease liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Lessee, Operating Lease, Liability, Payment, Due [Abstract]    
2020 $ 43.3  
2021 31.6  
2022 24.1  
2023 18.0  
2024 10.6  
Thereafter 14.2  
Total Lease Payments 141.8  
Less: Imputed Interest (28.6)  
Present value of lease liabilities $ 113.2  
Future minimum annual rentals previously disclosed in 2018    
2019   $ 51.4
2020   37.2
2021   25.4
2022   17.9
2023   12.4
Thereafter   19.2
Total noncancelable long-term leases   $ 163.5