SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013 segment	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting [Abstract]
Number of operating segments									1
Number of reportable segments									1
Product sales by operating segment and product area
Product sales	$ 96,556	$ 87,060	$ 87,470	$ 87,478	$ 92,223	$ 82,602	$ 87,471	$ 88,375	$ 358,564	$ 350,671	$ 338,319
Americas
Product sales by operating segment and product area
Product sales									240,996	239,875	233,605
Sports Medicine - Americas
Product sales by operating segment and product area
Product sales									158,063	155,164	149,010
Ear Nose and Throat ("ENT") - Americas
Product sales by operating segment and product area
Product sales									81,436	82,880	81,810
Other - Americas
Product sales by operating segment and product area
Product sales									1,497	1,831	2,785
International
Product sales by operating segment and product area
Product sales									117,568	110,796	104,714
Sports Medicine
Product sales by operating segment and product area
Product sales									244,026	235,795	228,347
Sports Medicine | International
Product sales by operating segment and product area
Product sales									85,963	80,631	79,337
ENT
Product sales by operating segment and product area
Product sales									105,842	105,715	100,239
ENT | International
Product sales by operating segment and product area
Product sales									24,406	22,835	18,429
Other
Product sales by operating segment and product area
Product sales									8,696	9,161	9,733
Other | International
Product sales by operating segment and product area
Product sales									$ 7,199	$ 7,330	$ 6,948