Business Segment Information - Schedule of External Net Sales by SBU Reporting Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Sales Information [Line Items]
Reported Growth (as a percent)	(2.00%)
Constant Currency Growth (as a percent)	(2.00%)
Net sales	$ 101,342	$ 103,373
BioStim [Member]
Sales Information [Line Items]
Reported Growth (as a percent)	1.00%
Constant Currency Growth (as a percent)	1.00%
Net sales	38,424	38,242
Biologics [Member]
Sales Information [Line Items]
Reported Growth (as a percent)	(3.00%)
Constant Currency Growth (as a percent)	(3.00%)
Net sales	13,019	13,378
Extremity Fixation [Member]
Sales Information [Line Items]
Reported Growth (as a percent)	3.00%
Constant Currency Growth (as a percent)	4.00%
Net sales	27,079	26,217
Spine Fixation [Member]
Sales Information [Line Items]
Reported Growth (as a percent)	(11.00%)
Constant Currency Growth (as a percent)	(11.00%)
Net sales	$ 22,820	$ 25,536