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Sale of Breg and Disposition of Sports Medicine GBU - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Breg Orthofix Holdings, Inc [Member]
Mar. 31, 2012
Sports Medicine [Member]
May 24, 2012
Orthofix Inc [Member]
Breg Orthofix Holdings, Inc [Member]
Mar. 31, 2013
Orthofix Inc [Member]
Breg Orthofix Holdings, Inc [Member]
Dec. 31, 2012
Orthofix Inc [Member]
Breg Orthofix Holdings, Inc [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Proceeds from sale of outstanding shares of Breg       $ 157,500,000    
Prepayment of outstanding company indebtedness       145,000,000    
Fair value of liability       2,000,000    
Period of indemnification (in years)         3 years  
Obligations under guarantee   2,000,000     1,400,000 1,600,000
Net sales     27,100,000      
Operating income (loss)     4,000,000      
Indemnification Expense $ 3,400,000