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LEASES Total Minimum Lease Payments as of December 31, 2018 (Details) - USD ($)
$ in Millions
Sep. 30, 2019
Dec. 31, 2018
Leases [Abstract]    
2019 $ 5.6 $ 22.2
2020 20.3 16.8
2021 16.2 12.6
2022 13.1 10.2
2023 10.4 8.1
2024 and thereafter 58.6 46.4
Total minimum lease payments $ 124.2 $ 116.3