SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 segment	Sep. 30, 2012
Segment Reporting [Abstract]
Number of operating segments			1
Number of reportable segments			1
Product sales by operating segment and product area
Product sales	$ 87,060	$ 82,602	$ 262,008	$ 258,448
Americas
Product sales by operating segment and product area
Product sales	57,720	56,786	176,283	178,175
International
Product sales by operating segment and product area
Product sales	29,340	25,816	85,725	80,273
Sports Medicine
Product sales by operating segment and product area
Product sales	58,084	55,201	176,619	172,225
Sports Medicine | Americas
Product sales by operating segment and product area
Product sales	37,410	36,787	114,218	113,868
Sports Medicine | International
Product sales by operating segment and product area
Product sales	20,674	18,414	62,401	58,357
ENT
Product sales by operating segment and product area
Product sales	26,729	25,523	78,894	79,614
ENT | Americas
Product sales by operating segment and product area
Product sales	19,938	19,677	60,880	62,985
ENT | International
Product sales by operating segment and product area
Product sales	6,791	5,846	18,014	16,629
Other Revenue
Product sales by operating segment and product area
Product sales	2,247	1,878	6,495	6,609
Other Revenue | Americas
Product sales by operating segment and product area
Product sales	372	322	1,185	1,322
Other Revenue | International
Product sales by operating segment and product area
Product sales	$ 1,875	$ 1,556	$ 5,310	$ 5,287