ACQUISITIONS AND DISPOSITIONS - Disposition (Details) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2020 USD ($)	Sep. 30, 2021 item
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of business dispositions | item		0
Holchem Group Limited [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total Consideration	$ 106.6
Cash received from sale of business	55.4
Disposal Group Including Discontinued Operation, Consideration, Notes Receivable	51.2
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal After Tax	(16.3)
Disposal Group, Including Discontinued Operation, Revenue	$ 55.0