BUSINESS ACQUISITIONS (Details) $ in Thousands				3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 15, 2015 USD ($)	Oct. 02, 2015 USD ($)	Jul. 17, 2015 USD ($) acquisition	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Business acquired | acquisition			2
Cash used in business acquisition, net of cash acquired						$ 0	$ 308,256
Tekmed
Business Acquisition [Line Items]
Consideration for acquisition	$ 14,100
Revenue of acquired company since acquisition				$ 900		3,300
Salto and Futura
Business Acquisition [Line Items]
Revenue of acquired company since acquisition				3,200		10,500
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
Revenue of acquired company since acquisition				12,600	$ 13,200	38,600	$ 13,200
TEI working capital and purchase price adjustment			200			(174)
Cash used in business acquisition, net of cash acquired			312,400
Business combination, cash acquired			1,200	1,241		1,241
Contingent receivable				1,400		1,400		$ 400
Contingent receivable, increase						1,000
TEI | Prepaid Expenses and Other Current Assets
Business Acquisition [Line Items]
Contingent receivable				900		900
TEI | Other assets
Business Acquisition [Line Items]
Contingent receivable				$ 500		$ 500
TEI Biosciences Inc.
Business Acquisition [Line Items]
Consideration for acquisition			210,900
TEI working capital and purchase price adjustment			500
TEI Medical Inc.
Business Acquisition [Line Items]
Consideration for acquisition			101,300
TEI working capital and purchase price adjustment			$ 700