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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 3 Months Ended | 6 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, 2009
Foreign Currency Translation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Transactional foreign currency gains and (losses), including those generated from intercompany operations |  |  |  |  |  |  |  |  |  | $ (500,000)ofix_ForeignCurrencyExchangeGainLoss | $ (400,000)ofix_ForeignCurrencyExchangeGainLoss | $ (1,700,000)ofix_ForeignCurrencyExchangeGainLoss |
Property plant and equipment, gross | 143,374,000 us-gaap_PropertyPlantAndEquipmentGross |  |  |  | 130,848,000 us-gaap_PropertyPlantAndEquipmentGross |  |  |  | 143,374,000 us-gaap_PropertyPlantAndEquipmentGross | 143,374,000 us-gaap_PropertyPlantAndEquipmentGross | 130,848,000 us-gaap_PropertyPlantAndEquipmentGross |  |
Property plant and equipment, accumulated depreciation | 35,400,000 us-gaap_PropertyPlantAndEquipmentOwnedAccumulatedDepreciation |  |  |  |  |  |  |  | 35,400,000 us-gaap_PropertyPlantAndEquipmentOwnedAccumulatedDepreciation | 35,400,000 us-gaap_PropertyPlantAndEquipmentOwnedAccumulatedDepreciation |  |  |
Number of reporting units |  |  |  |  |  |  |  |  |  | 4 ofix_NumberOfReportingUnits |  |  |
Impairment of goodwill |  |  |  |  |  |  |  |  | 19,193,000 us-gaap_GoodwillImpairmentLoss | 19,193,000 us-gaap_GoodwillImpairmentLoss |  |  |
Estimated related fee |  |  |  |  |  |  |  |  |  | 800,000 ofix_CostRelatedToSaleOfAccountsReceivable | 600,000 ofix_CostRelatedToSaleOfAccountsReceivable |  |
Advertising expense |  |  |  |  |  |  |  |  |  | 200,000 us-gaap_AdvertisingExpense | 300,000 us-gaap_AdvertisingExpense | 500,000 us-gaap_AdvertisingExpense |
Net sales | 105,886,000 us-gaap_SalesRevenueNet | 91,806,000 us-gaap_SalesRevenueNet | 97,640,000 us-gaap_SalesRevenueNet | 102,279,000 us-gaap_SalesRevenueNet | 115,607,000 us-gaap_SalesRevenueNet | 105,818,000 us-gaap_SalesRevenueNet | 111,601,000 us-gaap_SalesRevenueNet | 107,163,000 us-gaap_SalesRevenueNet |  | 397,611,000 us-gaap_SalesRevenueNet | 440,189,000 us-gaap_SalesRevenueNet | 435,519,000 us-gaap_SalesRevenueNet |
Musculoskeletal Transplant Foundation ("MTF") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Expenditures for other research and development |  |  |  |  |  |  |  |  |  | 2,500,000 us-gaap_OtherResearchAndDevelopmentExpense / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = ofix_MusculoskeletalTransplantFoundationMember | 3,000,000 us-gaap_OtherResearchAndDevelopmentExpense / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = ofix_MusculoskeletalTransplantFoundationMember | 0 us-gaap_OtherResearchAndDevelopmentExpense / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = ofix_MusculoskeletalTransplantFoundationMember |
Customers and Distributors Based in Europe [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 52,000,000 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember |  |  |
Collaborative Arrangement [Member] | Musculoskeletal Transplant Foundation ("MTF") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Period of agreement with MTF |  |  |  |  |  |  |  |  |  |  |  |  | 10 years
Extended Period of existing agreement with MTF |  |  |  |  |  |  |  |  |  | 15 years |  |  |
Marketing fee |  |  |  |  |  |  |  |  |  | 48,100,000 us-gaap_MarketingExpense / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = ofix_MusculoskeletalTransplantFoundationMember / us-gaap_TypeOfArrangementAxis = us-gaap_CollaborativeArrangementMember | 46,500,000 us-gaap_MarketingExpense / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = ofix_MusculoskeletalTransplantFoundationMember / us-gaap_TypeOfArrangementAxis = us-gaap_CollaborativeArrangementMember | 36,800,000 us-gaap_MarketingExpense / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = ofix_MusculoskeletalTransplantFoundationMember / us-gaap_TypeOfArrangementAxis = us-gaap_CollaborativeArrangementMember |
Spine Fixation and our Extremity Fixation reportable units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of goodwill |  | $ 19,200,000 us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ofix_SpineFixationAndExtremityFixationMember |  |  |  |  |  |  |  | $ 19,200,000 us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ofix_SpineFixationAndExtremityFixationMember |  |  |
Developed Technology [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average amortization period ( in years) |  |  |  |  |  |  |  |  |  | 11 years |  |  |

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