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Business Segment Information - Schedule of Depreciation and Amortization by SBU Reporting Segment (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Sales Information [Line Items]      
Depreciation and amortization $ 22,659 $ 20,580 $ 23,017
BioStim [Member]
     
Sales Information [Line Items]      
Depreciation and amortization 1,946 1,584 2,033
Biologics [Member]
     
Sales Information [Line Items]      
Depreciation and amortization 628 543 415
Extremity Fixation [Member]
     
Sales Information [Line Items]      
Depreciation and amortization 7,195 5,196 5,148
Spine Fixation [Member]
     
Sales Information [Line Items]      
Depreciation and amortization 12,794 10,752 9,211
Operating Segments [Member] | Corporate [Member]
     
Sales Information [Line Items]      
Depreciation and amortization $ 96 $ 70 $ 53