Adjustments to reclassify interest expense

No definition available.

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- Definition

Distributors does not meet revenue recognition

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No definition available.

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- Definition

Increase decrease in cost of sales.

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No definition available.

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- Definition

Increase Decrease In Income Tax Expense Benefit

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No definition available.

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- Definition

Net Decrease Increase To Net Income

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No definition available.

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- Definition

Number of distributors terminated

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No definition available.

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- Definition

Number Of Manufacturing Facilities

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No definition available.

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- Definition

Sales Revenue Goods Net Percentages

+ References

No definition available.

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- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

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- Definition

The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.

+ References

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- Definition

The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets.

+ References

No definition available.

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- Definition

The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

+ References

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- Definition

The increase (decrease) during the reporting period in the reserve account established to account for expected but unspecified losses.

+ References

+ Details

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of assets used to generate operating income.

+ References

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- Definition

Interest and debt related expenses associated with nonoperating financing activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

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- Definition

Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 35

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62500-109447

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- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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- Definition

The aggregate refunds recognized during an accounting period due to goods returned by customers (other than under warranty provisions). Returns are a deduction from gross revenue in arriving at net revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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- Definition

The aggregate total amount of expenses directly related to the marketing or selling of products or services.

+ References

No definition available.

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Original and Further Restatement of the Consolidated Financial Statements - Additional Information (Detail) (USD $)	3 Months Ended								12 Months Ended			1 Months Ended			6 Months Ended	3 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013 Facilities	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012	Jun. 30, 2012	May 31, 2012	Jun. 30, 2012	Mar. 31, 2014
Increase (Decrease) in net sales										$ (14,700,000)	$ (28,200,000)
Increase (Decrease) in net income from continuing operations										(8,900,000)ofix_NetDecreaseIncreaseToNetIncome	(14,500,000)ofix_NetDecreaseIncreaseToNetIncome
Net sales	105,886,000us-gaap_SalesRevenueNet	91,806,000us-gaap_SalesRevenueNet	97,640,000us-gaap_SalesRevenueNet	102,279,000us-gaap_SalesRevenueNet	115,607,000us-gaap_SalesRevenueNet	105,818,000us-gaap_SalesRevenueNet	111,601,000us-gaap_SalesRevenueNet	107,163,000us-gaap_SalesRevenueNet	397,611,000us-gaap_SalesRevenueNet	440,189,000us-gaap_SalesRevenueNet	435,519,000us-gaap_SalesRevenueNet
Increase (Decrease) in accounts receivable									(28,562,000)	11,128,000	(6,645,000)
Increase (Decease) in inventory									3,213,000us-gaap_IncreaseDecreaseInInventories	384,000us-gaap_IncreaseDecreaseInInventories	12,705,000us-gaap_IncreaseDecreaseInInventories
Adjustment to reclassify interest expenses											3,900,000
Repayment of debt obligation									16,000us-gaap_RepaymentsOfSecuredDebt	188,695,000us-gaap_RepaymentsOfSecuredDebt	7,500,000us-gaap_RepaymentsOfSecuredDebt
Sales and marketing expense									175,468,000us-gaap_SellingAndMarketingExpense	178,771,000us-gaap_SellingAndMarketingExpense	185,156,000us-gaap_SellingAndMarketingExpense
Number of manufacturing facilities									2ofix_NumberOfManufacturingFacilities
Increase (Decrease) in Income Taxes									(1,700,000)us-gaap_IncreaseDecreaseInIncomeTaxes	(1,200,000)us-gaap_IncreaseDecreaseInIncomeTaxes	200,000us-gaap_IncreaseDecreaseInIncomeTaxes
Revolving Credit Facility [Member]
Repayment of debt obligation									57,500,000			20,000,000	20,000,000	57,500,000
Term Loan Facility [Member]
Repayment of debt obligation									87,500,000					87,500,000
Inventory Reserve [Member]
Increase (Decease) in inventory										(14,800,000)
Increase (Decrease) in inventory reserve															1,200,000
Restatement Adjustments [Member]
Increase (Decrease) in accounts receivable									(4,800,000)
Increase (Decease) in inventory									(17,900,000)
Sales and marketing expense									2,200,000	9,000,000	6,000,000
Increase (Decrease) in assets									(11,200,000)
Increase (Decrease) in income tax expense									(500,000)	(1,100,000)
Increase (Decrease) in Deferred income tax									6,000,000
Restatement Adjustments [Member] \| Bad Debt Timing [Member]
Increase (Decrease) in accounts receivable										1,500,000
Sales and marketing expense									1,500,000	1,100,000	2,100,000
Restatement Adjustments [Member] \| Other Adjustments [Member]
Increase (Decease) in inventory									(2,600,000)	(1,500,000)
Increase (Decrease) in cost of sales									1,100,000	200,000	300,000
Restatement Adjustments [Member] \| Discontinued Operations [Member]
Interest expenses classified under discontinued operations										500,000
Restatement Adjustments [Member] \| Accounts Receivable Reserve [Member]
Increase (Decrease) in accounts receivable									(4,200,000)	(3,500,000)
Increase (Decrease) in assets									(700,000)	(200,000)	2,100,000
Restatement Adjustments [Member] \| Inventory Reserve [Member]
Increase (Decease) in inventory									(14,400,000)	(11,800,000)
Increase (Decrease) in cost of sales									3,200,000	1,500,000	100,000
Restatement Adjustments [Member] \| Inventory Existence [Member]
Increase (Decease) in inventory									(1,000,000)	(600,000)
Increase (Decrease) in cost of sales									400,000	300,000	200,000
Subsequent Event [Member]
Increase (Decrease) in Income Taxes																(1,900,000)
Distributor Revenue [Member]
Distributors that did not meet the fixed or determinable or collectability revenue recognition criteria									4
Number of distributer terminated									2
Sales return										3,300,000	4,100,000
Increase (Decrease) in accounts receivable										(41,300,000)
Increase (Decease) in inventory										11,000,000
Distributor Revenue [Member] \| Previously Reported [Member]
Net sales										$ 462,000,000	$ 470,000,000
Distributor Revenue [Member] \| Minimum [Member]
Percentage of net sales									11.00%
Distributor Revenue [Member] \| Maximum [Member]
Percentage of net sales									13.00%