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LEASES - Supplemental Balance Sheet Information Related to Leases (Details)
$ in Millions
Sep. 30, 2019
USD ($)
Leases [Abstract]  
Operating lease right-of-use assets $ 119.3
Current maturities of operating leases 24.9
Non-current operating leases 102.2
Total operating lease liabilities $ 127.1
Weighted average discount rate for operating leases 5.58%
Weighted average remaining operating lease term in years 6 years