LEASES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Leases [Abstract]
Operating lease cost	$ 25.8
Weighted-average remaining lease term, operating leases	5 years 3 months
Weighted-average discount rate, operating leases	5.40%
Financing leases outstanding	$ 0.7
Incurred rent expense		$ 17.3	$ 17.3