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Income Taxes - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2013 | Dec. 31, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Components Of Income Tax Expense Benefit [Line Items] |  |  |  |  |  |
Valuation allowance |  | $ 31,772,000 us-gaap_DeferredTaxAssetsValuationAllowance | $ 31,772,000 us-gaap_DeferredTaxAssetsValuationAllowance | $ 26,361,000 us-gaap_DeferredTaxAssetsValuationAllowance |  |
Net increase in valuation allowance |  |  | 5,400,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount |  |  |
Operating loss carry forwards, state, net of tax |  | 24,500,000 ofix_OperatingLossCarryforwardsStateAndLocal | 24,500,000 ofix_OperatingLossCarryforwardsStateAndLocal |  |  |
Operating loss carry forwards, foreign, net of tax |  | 120,400,000 ofix_OperatingLossCarryforwardsForeign | 120,400,000 ofix_OperatingLossCarryforwardsForeign |  |  |
Impairment of goodwill |  | 19,193,000 us-gaap_GoodwillImpairmentLoss | 19,193,000 us-gaap_GoodwillImpairmentLoss |  |  |
Income tax expense |  |  | 7,602,000 us-gaap_IncomeTaxExpenseBenefit | 23,944,000 us-gaap_IncomeTaxExpenseBenefit | 14,443,000 us-gaap_IncomeTaxExpenseBenefit | (6,028,000)us-gaap_IncomeTaxExpenseBenefit
Income tax effective rate |  |  | (71.70%)us-gaap_EffectiveIncomeTaxRateContinuingOperations | 34.70%us-gaap_EffectiveIncomeTaxRateContinuingOperations | (1059.60%)us-gaap_EffectiveIncomeTaxRateContinuingOperations |
Recognized tax benefit | 300,000 ofix_RecognizedAfterTaxBenefits |  |  |  |  |
Gross unrecognized tax benefit |  | 700,000 us-gaap_UnrecognizedTaxBenefits | 700,000 us-gaap_UnrecognizedTaxBenefits | 1,200,000 us-gaap_UnrecognizedTaxBenefits |  |
Accrued interest and penalties related to unrecognized tax benefits |  | 500,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 500,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 800,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  |
Unremitted foreign earnings |  | 329,700,000 ofix_UnremittedEarningsOfForeignSubsidiaries | 329,700,000 ofix_UnremittedEarningsOfForeignSubsidiaries | 272,600,000 ofix_UnremittedEarningsOfForeignSubsidiaries |  |
Total cash and cash equivalents |  | 52,700,000 us-gaap_CashCashEquivalentsAndShortTermInvestments | 52,700,000 us-gaap_CashCashEquivalentsAndShortTermInvestments |  |  |
Cash and cash equivalents |  | 28,924,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 28,924,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 30,767,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 32,743,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 13,561,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
U.S. Subsidiary [Member] |  |  |  |  |  |
Components Of Income Tax Expense Benefit [Line Items] |  |  |  |  |  |
Unremitted foreign earnings |  | 341,300,000 ofix_UnremittedEarningsOfForeignSubsidiaries / dei_LegalEntityAxis = ofix_UsSubsidiaryMember | 341,300,000 ofix_UnremittedEarningsOfForeignSubsidiaries / dei_LegalEntityAxis = ofix_UsSubsidiaryMember |  |  |
Senior Secured Credit Agreement [Member] |  |  |  |  |  |
Components Of Income Tax Expense Benefit [Line Items] |  |  |  |  |  |
Restricted cash and cash equivalents |  | 23,800,000 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_CashAndCashEquivalentsAxis = ofix_SeniorSecuredCreditAgreementMember | 23,800,000 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_CashAndCashEquivalentsAxis = ofix_SeniorSecuredCreditAgreementMember |  |  |
Non-U.S. Subsidiaries [Member] |  |  |  |  |  |
Components Of Income Tax Expense Benefit [Line Items] |  |  |  |  |  |
Cash and cash equivalents |  | $ 30,200,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_CashAndCashEquivalentsAxis = ofix_ForeignSubsidiaryMember | $ 30,200,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_CashAndCashEquivalentsAxis = ofix_ForeignSubsidiaryMember |  |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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