LEASES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating lease cost	$ 7.6	$ 7.4	$ 23.0	$ 21.5
Weighted-average remaining lease term, operating leases	6 years 9 months 18 days		6 years 9 months 18 days
Weighted-average discount rate, operating leases	5.30%		5.30%
Increase in operating lease right-of-use asset and lease liabilities	$ 20.1		$ 20.1