INTANGIBLE ASSETS - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 446,453,000		$ 447,995,000
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of identifiable intangible assets	5,842,000	$ 6,193,000
Identifiable intangible assets with indefinite useful lives	0	$ 0
Discontinued Operations, Held-for-sale, Not Discontinued Operations | Human Nutrition & Health
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill	$ 1,380,000