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Contingencies - Additional Information (Detail) (USD $)
 0 Months Ended 12 Months Ended 1 Months Ended
Oct. 29, 2012
Jun. 06, 2012
May 24, 2012
Dec. 31, 2013
Jul. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Commitment And Contingencies [Line Items]              
Amount of fine $ 7,800,000ofix_CriminalFineAmount            
Deferred prosecution agreement term       3 years      
Amount approved to be paid under the agreement   34,200,000ofix_LossContingencySettlementAgreementAmount          
Interest rate on settlement amount approved to be paid under the agreement (as a percent)       3.00%ofix_LossContingencySettlementAgreementInterestRate      
Settlement agreement description       The Company agreed to pay $34.2 million (plus interest at a rate of 3% from May 5, 2011 through the day before payment was made)      
Mandatory special assessment 400ofix_MandatorySpecialAssessmentAmount            
Amount paid to settlement of claims 32,000,000us-gaap_LitigationSettlementAmount            
Amount used from escrow fund through acquisition of Blackstone for legal settlement 32,000,000ofix_CashReceivedFromEscrowAccountToSettleOutstandingClaims            
Charges accrued in connection with litigation     4,200,000us-gaap_LossContingencyAccrualProvision        
Judgments and settlement costs       6,700,000ofix_AccruedSettlementCosts   6,800,000ofix_AccruedSettlementCosts 1,800,000ofix_AccruedSettlementCosts
Accrued judgments and settlements       2,100,000ofix_AccruedSettlements      
Litigation settlement paid       4,600,000us-gaap_PaymentsForLegalSettlements      
Additional settlement costs       3,800,000ofix_AdditionalAccruedSettlements      
Discontinued operations for compensatory damages and exemplary damages         4,200,000ofix_AccruedExpensesAndOtherLiabilitiesRelatedToDiscontinuedOperation    
Litigation related to Promeca [Member]              
Commitment And Contingencies [Line Items]              
Imputed Interest settlement against the charge       5,200,000us-gaap_LossContingencyAccrualCarryingValuePayments
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= ofix_LitigationRelatedToPromecaMember		      
Amount of fine       2,200,000ofix_CriminalFineAmount
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= ofix_LitigationRelatedToPromecaMember		      
Litigation Related to Breg [Member]              
Commitment And Contingencies [Line Items]              
Compensatory damages to plaintiff         2,100,000us-gaap_LossContingencyDamagesSoughtValue
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= ofix_LitigationRelatedToBregIncMember		    
Exemplary damages         $ 7,000,000ofix_LossContingencyExemplaryDamages
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= ofix_LitigationRelatedToBregIncMember