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Pensions and Deferred Compensation - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
National Collective Labor Agreement [Member] | Labor Force Concentration Risk [Member] | Italy [Member]      
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]      
Number of employees, percentage 17.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_WorkforceSubjectToCollectiveBargainingArrangementsMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_LaborForceConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= country_IT
   
Defined Contribution pension plans for other International employees [Member]      
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]      
Expenses incurred for contribution plans $ 0.8us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_ForeignPostretirementBenefitPlansDefinedBenefitMember
$ 0.7us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_ForeignPostretirementBenefitPlansDefinedBenefitMember
$ 0.7us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_ForeignPostretirementBenefitPlansDefinedBenefitMember
Deferred Compensation Plan [Member]      
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]      
Annual deferred compensation provision for leaving indemnity, as a percentage of total commissions earned 3.50%ofix_DeferredCompensationArrangementCompensationAccruedForLeavingIndemnityAsPercentageOfCommissionsEarned
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
   
Expense for deferred compensation 0.1us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
0.3us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
0.4us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
Deferred compensation payments 0.3us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
0.1us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
0.8us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
Amount of deferred compensation payable 1.9us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
2.5us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= ofix_PensionAndDeferredCompensationBenefitsMember
 
Orthofix Inc 401(k) Plan [Member]      
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]      
Employee contribution limit per calendar year (as a percent of compensation) 15.00%ofix_DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation
/ us-gaap_StatementScenarioAxis
= ofix_FourHundredOneKPlanMember
   
Employer match of employee contributions of first level of eligible compensation (as a percent) 100.00%ofix_DefinedContributionPlanEmployerMatchLevelOne
/ us-gaap_StatementScenarioAxis
= ofix_FourHundredOneKPlanMember
   
Percentage of eligible compensation, matched by employer, level one 2.00%ofix_DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne
/ us-gaap_StatementScenarioAxis
= ofix_FourHundredOneKPlanMember
   
Employer match of employee contributions of second level of eligible compensation (as a percent) 50.00%ofix_DefinedContributionPlanEmployerMatchLevelTwo
/ us-gaap_StatementScenarioAxis
= ofix_FourHundredOneKPlanMember
   
Percentage of eligible compensation matched by employer, level two 4.00%ofix_DefinedContributionPlanEmployerMatchEmployeeContributionLevelTwo
/ us-gaap_StatementScenarioAxis
= ofix_FourHundredOneKPlanMember
   
401 (k) Plans [Member]      
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]      
Expenses incurred for contribution plans $ 1.7us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementScenarioAxis
= ofix_DefinedContributionPensionPlanFourZeroOneKMember
$ 2.4us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementScenarioAxis
= ofix_DefinedContributionPensionPlanFourZeroOneKMember
$ 2.5us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementScenarioAxis
= ofix_DefinedContributionPensionPlanFourZeroOneKMember