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LEASES (Details)
$ in Millions
Sep. 30, 2019
USD ($)
Minimum  
Lessee, Lease, Description [Line Items]  
Operating leases, not yet commenced, term (in years) 2 years
Maximum  
Lessee, Lease, Description [Line Items]  
Operating leases, not yet commenced, term (in years) 5 years
Facility Leases  
Lessee, Lease, Description [Line Items]  
Operating leases, not yet commenced $ 7