Business Segment Information - Schedule of Depreciation and Amortization by SBU Reporting Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Sales Information [Line Items]
Depreciation and amortization	$ 20,923	$ 22,878	$ 22,822
Operating Segments [Member] | BioStim [Member]
Sales Information [Line Items]
Depreciation and amortization	2,933	1,623	1,979
Operating Segments [Member] | Biologics [Member]
Sales Information [Line Items]
Depreciation and amortization	1,157	1,161	648
Operating Segments [Member] | Extremity Fixation [Member]
Sales Information [Line Items]
Depreciation and amortization	6,636	8,442	7,265
Operating Segments [Member] | Spine Fixation [Member]
Sales Information [Line Items]
Depreciation and amortization	10,050	11,711	12,834
Corporate, Non-Segment [Member]
Sales Information [Line Items]
Depreciation and amortization	$ 147	$ (59)	$ 96