LEASES - Schedule of Other Lease Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Operating leases
Weighted-average remaining lease term (in years)	6 years 3 months
Weighted-average discount rate	4.80%
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 7.2
Right-of-use assets obtained in exchange for lease liabilities:	$ 1.5