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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2013
Unit
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Customers and Distributors Based in Europe [Member]
Dec. 31, 2013
Musculoskeletal Transplant Foundation ("MTF") [Member]
Dec. 31, 2012
Musculoskeletal Transplant Foundation ("MTF") [Member]
Dec. 31, 2011
Musculoskeletal Transplant Foundation ("MTF") [Member]
Sep. 30, 2013
Spine Fixation and our Extremity Fixation reportable units [Member]
Dec. 31, 2013
Spine Fixation and our Extremity Fixation reportable units [Member]
Dec. 31, 2013
Collaborative Arrangement [Member]
Musculoskeletal Transplant Foundation ("MTF") [Member]
Dec. 31, 2012
Collaborative Arrangement [Member]
Musculoskeletal Transplant Foundation ("MTF") [Member]
Dec. 31, 2011
Collaborative Arrangement [Member]
Musculoskeletal Transplant Foundation ("MTF") [Member]
Dec. 31, 2009
Collaborative Arrangement [Member]
Musculoskeletal Transplant Foundation ("MTF") [Member]
Dec. 31, 2013
Developed Technology [Member]
Foreign Currency Translation [Line Items]                                              
Transactional foreign currency gains and (losses), including those generated from intercompany operations                   $ (700,000) $ (500,000) $ (1,600,000)                      
Property plant and equipment, gross 141,519,000       130,460,000       141,519,000 141,519,000 130,460,000                        
Property plant and equipment, accumulated depreciation 33,700,000               33,700,000 33,700,000                          
Weighted average amortization period ( in years)                                             11 years
Number of reporting units                   4                          
Impairment of goodwill                 19,193,000 19,193,000             19,200,000 19,200,000          
Period of agreement with MTF                                           10 years  
Extended Period of existing agreement with MTF                                     15 years        
Marketing fee                                     47,700,000 46,500,000 36,800,000    
Estimated related fee                   800,000 600,000                        
Advertising expense                   200,000 300,000 500,000                      
Expenditures for other research and development                           2,500,000 3,000,000 0              
Net sales $ 106,143,000 $ 92,738,000 $ 98,280,000 $ 103,373,000 $ 117,365,000 $ 107,857,000 $ 113,423,000 $ 108,936,000   $ 400,534,000 $ 447,581,000 $ 441,971,000 $ 52,000,000