DISCONTINUED OPERATIONS - Narrative (Details)		9 Months Ended	12 Months Ended
	Jul. 01, 2015 USD ($) director shares	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Oct. 29, 2014 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of tax			$ (10,370,000)	$ (2,291,000)	$ (43,094,000)
SeaSpine Inc. | Supply Commitment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, intra-entity amounts, discontinued operation after disposal, revenue			6,200,000	6,200,000	7,900,000
Discontinued operation, intra-entity amounts, discontinued operation after disposal, expense			3,800,000	3,200,000	5,600,000
SeaSpine Inc. | Information Technology and Administrative Support
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, intra-entity amounts, discontinued operation after disposal, revenue			2,700,000
SeaSpine Inc. | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, including discontinued operation, distribution of spinoff shares, percent	100.00%
Disposal group, including discontinued operation, shares required for issuance of spinoff share | shares	3
Disposal group, including discontinued operation, cash and cash equivalents	$ 47,178,000			260,000		$ 47,000,000
Disposal group, including discontinued operation, (gain) loss			0
Loss from discontinued operations, net of tax		$ (10,370,000)	$ 0	$ (2,291,000)	$ (43,094,000)
Director | SeaSpine Inc. | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Related party, shared management, number of common employees | director	3