LEASES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 17.0	$ 15.4	$ 13.9
Sublease income	4.1	2.7	1.3
Sublease agreements less then one year	4.9
Sublease agreements between one and three years	8.6
Sublease agreements between three and five years	1.7
Related party
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 1.0	$ 1.0	$ 1.0