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Business Segment Information - Schedule of Depreciation and Amortization by Reporting Segment (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Sales Information [Line Items]      
Depreciation and amortization $ 20,841 $ 20,923 $ 22,878
Operating Segments [Member] | BioStim [Member]      
Sales Information [Line Items]      
Depreciation and amortization 2,754 2,933 1,623
Operating Segments [Member] | Biologics [Member]      
Sales Information [Line Items]      
Depreciation and amortization 1,011 1,157 1,161
Operating Segments [Member] | Extremity Fixation [Member]      
Sales Information [Line Items]      
Depreciation and amortization 5,742 6,636 8,442
Operating Segments [Member] | Spine Fixation [Member]      
Sales Information [Line Items]      
Depreciation and amortization 8,118 10,050 11,711
Corporate, Non-Segment [Member]      
Sales Information [Line Items]      
Depreciation and amortization $ 3,216 $ 147 $ (59)