BUSINESS ACQUISITIONS - Narrative (Details) $ in Thousands				3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 15, 2015 USD ($)	Oct. 02, 2015 USD ($)	Jul. 17, 2015 USD ($) acquisition	Jun. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Business acquired | acquisition			2
Tekmed
Business Acquisition [Line Items]
Consideration for acquisition	$ 14,100
Revenue of acquired company since acquisition				$ 1,200	$ 2,400
Salto and Futura
Business Acquisition [Line Items]
Revenue of acquired company since acquisition				3,400	7,300
Payments for acquisition		$ 6,000
Salto and Futura | Other Income
Business Acquisition [Line Items]
Business combination, bargain purchase, gain recognized, amount						$ 1,100
TEI
Business Acquisition [Line Items]
Consideration for acquisition			$ 312,200
Goodwill, Purchase Accounting Adjustments			200		(174)
Revenue of acquired company since acquisition				12,400	26,000
Cash used in business acquisition, net of cash acquired			312,400
Business combination, cash acquired			1,200	$ 1,241	$ 1,241
TEI Biosciences Inc.
Business Acquisition [Line Items]
Consideration for acquisition			210,900
Goodwill, Purchase Accounting Adjustments			500
TEI Medical Inc.
Business Acquisition [Line Items]
Consideration for acquisition			101,300
Goodwill, Purchase Accounting Adjustments			$ 700