GOODWILL AND OTHER INTANGIBLE ASSETS - Components of Company's Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2016	Dec. 31, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,422,020		$ 1,416,615
Accumulated Amortization	(274,066)		(256,988)
Net	1,147,954		1,159,627
Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	162,900		162,900
Net	162,900		162,900
In Process Research and Development
Acquired Finite-Lived Intangible Assets [Line Items]
Other indefinite-lived intangible assets	$ 1,000		1,000
Completed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life	19 years	19 years
Cost	$ 873,943		869,174
Accumulated Amortization	(135,897)		(124,096)
Net	$ 738,046		745,078
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life	13 years	13 years
Cost	$ 233,922		233,430
Accumulated Amortization	(95,942)		(91,961)
Net	$ 137,980		141,469
Trademarks/brand names
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life	28 years	28 years
Cost	$ 105,187		104,879
Accumulated Amortization	(23,258)		(22,293)
Net	$ 81,929		82,586
Supplier relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life	27 years	27 years
Cost	$ 34,721		34,721
Accumulated Amortization	(15,449)		(15,092)
Net	$ 19,272		19,629
All other
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life	4 years	4 years
Cost	$ 11,347		11,511
Accumulated Amortization	(3,520)		(3,546)
Net	$ 7,827		$ 7,965