NET (LOSS) INCOME PER SHARE (Narrative) (Details) - USD ($) $ in Thousands, shares in Millions		6 Months Ended	12 Months Ended
	Jul. 01, 2015	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Allocated share-based compensation expense			$ 15,450	$ 14,554	$ 9,842
Shares excluded from computation as their effect would be antidilutive			0.1	0.2	0.7
Additional EPS shares		0.2	0.2
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | SeaSpine Inc.
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Share-based compensation arrangement by share-based payment award, plan modification, incremental compensation cost	$ 4,400
Allocated share-based compensation expense		$ 3,300	$ 3,300
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized		$ 1,100	$ 1,100