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LEASES - Future Minimum Rental Payments Prior to Adopting Topic 842 (Details)
$ in Millions
Dec. 31, 2018
USD ($)
Leases [Abstract]  
2019 $ 25.6
2020 21.5
2021 13.5
2022 9.9
2023 6.4
Thereafter 14.3
Total obligations and commitments $ 91.2