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LEASE COMMITMENTS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating lease payments      
2019 $ 32.5    
2020 27.2    
2021 23.8    
2022 19.5    
2023 16.6    
Thereafter 37.0    
Total minimum obligations 156.6    
Total rental expense under operating leases $ 41.0 $ 39.9 $ 44.3