ACQUISITIONS AND DISPOSITIONS - Acquisition Summary (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) item	Jun. 30, 2021 USD ($) item
Business Acquisition [Line Items]
Number of acquisitions | item		0	0
Prior year business combinations, acquisition related net liabilities adjustments		$ 7.1
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		19.9
Intangible assets acquired		$ 0.0
Weighted average useful lives of definite-lived intangible assets acquired from other acquisitions			13 years
Contingent consideration payment			$ 1.4
Business Acquisitions and Investment
Business Acquisition [Line Items]
Net tangible assets (liabilities) acquired			(2.4)
Customer relationships			31.1
Trademarks			3.6
Other technology			1.5
Total intangible assets			36.2
Goodwill			59.0
Total aggregate purchase price			92.8
Acquisition related liabilities and contingent consideration			(4.4)
Net cash paid for acquisitions, including acquisition-related liabilities and contingent consideration			$ 88.4