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	$ 100,014	$ 102,279
BioStim [Member]
Sales Information [Line Items]
Net sales	37,137	37,226
Biologics [Member]
Sales Information [Line Items]
Reported Growth (as a percent)	(3.00%)
Constant Currency Growth (as a percent)	(3.00%)
Net sales	13,010	13,360
Extremity Fixation [Member]
Sales Information [Line Items]
Reported Growth (as a percent)	3.00%
Constant Currency Growth (as a percent)	4.00%
Net sales	27,066	26,197
Spine Fixation [Member]
Sales Information [Line Items]
Reported Growth (as a percent)	(11.00%)
Constant Currency Growth (as a percent)	(11.00%)
Net sales	$ 22,801	$ 25,496