ACQUISITIONS - Acquisition Summary (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($) item	Sep. 30, 2023 USD ($) item	Sep. 30, 2022 USD ($) item
Business Acquisition [Line Items]
Number of acquisitions | item	0	3	0
Payments for Merger Related Costs	$ 1.7		$ 7.2
Prior year business combinations, acquisition related net liabilities adjustments	0.4	$ 0.4	5.4
Prior year business combinations, net intangible assets adjustments	0.5		(5.6)
Prior year business combinations, goodwill adjustments	$ 1.8		7.4
Intangible assets acquired			$ 0.0
Business Acquisitions and Investment
Business Acquisition [Line Items]
Number of acquisitions | item		2
Net tangible assets (liabilities) acquired		$ 9.8
Customer relationships		35.5
Other technology		21.8
Total intangible assets		57.3
Goodwill		40.5
Total aggregate purchase price		107.6
Acquisition related liabilities and contingent consideration		(5.3)
Net cash paid for acquisitions, including acquisition-related liabilities and contingent consideration		$ 102.3
Weighted average useful lives of definite-lived intangible assets acquired from other acquisitions		12 years