BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets Useful Lives (Details)	12 Months Ended
	Dec. 31, 2018
Customer relationships and lists
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	10 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	5 years
Minimum | Trademarks & trade names
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 | Trademarks & trade names
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	17 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