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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
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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 |  |  |  |  |  |  |  |  |  |

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