Recently Adopted Accounting Standards and Recently Issued Accounting Pronouncements - Additional Information (Detail) $ in Millions	Jan. 01, 2019 USD ($)
ASU 2018-02 [Member]
Summary Of Significant Accounting Policies [Line Items]
Increase to accumulated other comprehensive income and a decrease in retained earnings	$ 0.9

Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act.

No definition available.

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Namespace Prefix:	ofix_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration