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Business segment information - Operating Income (Loss) by GBU (Parenthetical) (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Product Type Reporting Information [Line Items] |  |
Charges related to U.S. Government resolutions | $ (82,500,000) | $ 88,463,000
Spine [Member] |  |
Product Type Reporting Information [Line Items] |  |
Charges related to U.S. Government resolutions |  | 42,500,000
Orthopedics [Member] |  |
Product Type Reporting Information [Line Items] |  |
Charges related to U.S. Government resolutions |  | 6,500,000
Corporate [Member] |  |
Product Type Reporting Information [Line Items] |  |
Charges related to U.S. Government resolutions |  | 7,500,000
Senior management succession charges |  | $ 3,200,000

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- Definition Represents the senior management succession charges which is treated as operating loss. + References No definition available. + Details
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Namespace Prefix: | ofix_
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- Definition The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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