ACQUISITIONS AND DISPOSITIONS - Acquisition Summary (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022 item	Sep. 30, 2021 USD ($) item	Sep. 30, 2022 USD ($) item	Sep. 30, 2021 USD ($)
Business Acquisition [Line Items]
Number of acquisitions | item	0	0	0
Prior year business combinations, net intangible assets adjustments		$ (0.9)	$ (5.6)
Payments for Merger Related Costs			7.2
Prior year business combinations, goodwill adjustments			7.4
Intangible assets acquired			0.0
Weighted average useful lives of definite-lived intangible assets acquired from other acquisitions				14 years
Contingent consideration payment				$ 1.4
Prior year business combinations, net tangible assets adjustments			$ 5.4
Business Acquisitions and Investment
Business Acquisition [Line Items]
Net tangible assets (liabilities) acquired		14.8		12.4
Customer relationships		41.0		72.1
Trademarks		1.1		4.7
Non-compete agreements		3.0		3.0
Other technology				1.5
Total intangible assets		45.1		81.3
Goodwill		60.2		119.2
Total aggregate purchase price		120.1		212.9
Acquisition related liabilities and contingent consideration				(4.4)
Net cash paid for acquisitions, including acquisition-related liabilities and contingent consideration		$ 120.1		$ 208.5