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COMMITMENTS (Details)
$ in Millions
Sep. 30, 2018
USD ($)
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract]  
2019 $ 140.8
2020 80.2
2021 46.2
2022 27.9
2023 12.4
Thereafter 5.1
Unrecognized Unconditional Purchase Obligations $ 312.6