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Business Segment Information - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2013 Segment
Segment Reporting [Abstract]
Number of global business units	2

X

- Definition

The number of Global Business Units of the entity.

+ References

No definition available.

+ Details

Name:	ofix_NumberOfGlobalBusinessUnits
Namespace Prefix:	ofix_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration