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LEASES - Additional Information (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2019
USD ($)
Lessee, Lease, Description [Line Items]    
Operating lease expense $ 4.9 $ 13.8
Intangible and other assets, net (Right-of-use assets) 74.0 74.0
Total operating lease liabilities $ 77.0 $ 77.0