BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets Useful Lives (Details)	12 Months Ended
	Dec. 31, 2019
Minimum | Customer relationships and lists
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	10 years
Minimum | Trademarks & trade names
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	2 years
Minimum | Developed technology
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	5 years
Minimum | Regulatory registration costs
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	5 years
Minimum | Patents & trade secrets
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	15 years
Minimum | Other
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	3 years
Maximum | Customer relationships and lists
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	20 years
Maximum | Trademarks & trade names
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	17 years
Maximum | Developed technology
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	12 years
Maximum | Regulatory registration costs
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	10 years
Maximum | Patents & trade secrets
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	17 years
Maximum | Other
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	18 years