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Patents and Other Intangible Assets - Schedule of Patents and Other Intangibles Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Finite And Indefinite Lived Intangible Assets [Line Items]    
Cost $ 43,188ofix_IntangibleAssetsGross $ 39,562ofix_IntangibleAssetsGross
Accumulated amortization (34,142)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization (32,272)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Patents and other intangible assets, net 9,046us-gaap_IntangibleAssetsNetExcludingGoodwill 7,290us-gaap_IntangibleAssetsNetExcludingGoodwill
Patents and licenses [Member]    
Finite And Indefinite Lived Intangible Assets [Line Items]    
Cost 42,568ofix_IntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ofix_PatentsAndLicensesMember
38,905ofix_IntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ofix_PatentsAndLicensesMember
Accumulated amortization (33,688)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ofix_PatentsAndLicensesMember
(31,845)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ofix_PatentsAndLicensesMember
Trademarks-definite lived [Member]    
Finite And Indefinite Lived Intangible Assets [Line Items]    
Cost 620ofix_IntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ofix_TrademarksDefiniteLivedMember
657ofix_IntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ofix_TrademarksDefiniteLivedMember
Accumulated amortization $ (454)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ofix_TrademarksDefiniteLivedMember
$ (427)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ofix_TrademarksDefiniteLivedMember