Statement of Income and Comprehensive Income [Abstract] Statement [Table] Statement [Table] Statement, Scenario [Axis] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Net loss Net Income (Loss) Attributable to Parent Other comprehensive income (loss), net of tax: Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Changes in foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Unrealized loss on derivative instruments, net of taxes of $9, $397, $41 and $672, respectively Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Loss on early termination of interest rate swap, net of taxes of $690 Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax Unrealized gain (loss) on marketable securities Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Minimum pension liability adjustment Other Comprehensive Income (Loss), Minimum Pension Liability Net Adjustment, Net of Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Earnings Per Share [Abstract] Weighted-average number of shares outstanding, basic Weighted Average Number of Shares Outstanding, Basic Common stock equivalents Weighted Average Number Diluted Shares Outstanding Adjustment Weighted-average number of shares outstanding, diluted Weighted Average Number of Shares Outstanding, Diluted Anti-dilutive common stock equivalents excluded from diluted earnings per share computation as a result of net loss Anti-dilutive common stock equivalents excluded from diluted earnings per share computation as a result of net loss Anti-dilutive common stock equivalents excluded from diluted earnings per share computation as a result of net loss incurred during the period. Stock options Antidilutive Securities Stock Options Stock options that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Non-vested shares, restricted stock units, and stock-settled phantom stock units Antidilutive securities, non-vested shares, restricted stock units, and stock-settled phantom stock units Non-vested shares, restricted stock units, and stock-settled phantom stock units that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Convertible debt Antidilutive securities, convertible debt Convertible debt securities that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Warrants Antidilutive Warrants Warrants that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU. Statement of Financial Position [Abstract] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Liabilities and Stockholders' Equity: Liabilities and Equity [Abstract] Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Common Stock, Par or Stated Value Per Share (in dollars per share) Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized (in shares) Common Stock, Shares Authorized Common stock, issued and outstanding (in shares) Common Stock, Shares, Issued Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Damages Settle Civil Admin Claims C S A Damages Settle Civil Admin Claims C S A The amount paid to settle civil and administrative claims pursuant to the CSA. Date of Subpoena Date of Subpoena Date of subpoena relating to requesting records and documentation for our PROFEMUR series hip replacement devices. Subpoena Information Request Start Date SubpoenaInformationRequestStartDate Subpoena information request start date Subpoena Information Request End Date SubpoenaInformationRequestEndDate Subpoena information request end date Long-term Debt and Capital Lease Obligations [Abstract] Components of Convertible Debt Components of Convertible Debt [Table Text Block] [Table Text Block] for Principal amount, unamortized debt discount and net carrying amount of liability component. Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Earnings Per Share, FASB ASC Topic 260 Earnings Per Share, Policy [Policy Text Block] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] New Contract [Member] New Contract [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Initial Proceeds from Sale Initial Proceeds from Sale Initial proceeds from sale subseqent event. Gain on Sale of Assets Subsequent Event Gain on Sale of Assets Subsequent Event The difference between the carrying value and the sale price of an asset to be recognized in the future. Deferred Payment For Sale Assets Subsequent Event Deferred Payment For Sale Assets Subsequent Event Deferred payment from the sale of assets in subsequent event. Upfront Payment for Sale Assets Subseqent Event Upfront Payment for Sale Assets Subseqent Event Upfront payment from the sale of assets in subsequent event. Marketable Securities [Abstract] Summary of Marketable Securities Table Summary of Marketable Securities Table [Table Text Block] Summary of Marketable Securities Table Restructuring and Related Activities [Abstract] Restructuring Restructuring and Related Activities Disclosure [Text Block] Statement of Cash Flows [Abstract] Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Depreciation Stock-based compensation expense Share-based Compensation Amortization of intangible assets Amortization of Intangible Assets Amortization of Financing Costs and Discounts Amortization of Financing Costs and Discounts Deferred income taxes Deferred Income Tax Expense (Benefit) Write off of deferred financing costs Other Noncash Expense Excess tax benefit from stock-based compensation arrangements Excess Tax Benefit from Share-based Compensation, Operating Activities Non-cash restructuring charges Restructuring Costs Non Cash Adjustment Derivative Fair Value Non Cash Adjustment Derivative Fair Value Adjustment for the gain or loss recognized during the period for fair value of derivatives. Other Other Noncash Income (Expense) Changes in assets and liabilities (net of acquisitions): Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses and other liabilities Increase (Decrease) in Accrued and Other Liabilities The net change during the reporting period in the aggregate amount of expenses incurred but not yet paid and the net change during the reporting period in other operating obligations not otherwise defined in the taxonomy. Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Purchase of intangible assets Payments to Acquire Intangible Assets Maturities of held-to-maturity marketable securities Proceeds from Sale and Maturity of Held-to-maturity Securities Sales and maturities of available-for-sale marketable securities Proceeds from Sale and Maturity of Available-for-sale Securities Investment in available-for-sale marketable securities Payments to Acquire Available-for-sale Securities Proceeds from sale of assets Proceeds from Sale of Intangible Assets Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Issuance of common stock Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Payments of long term borrowings Repayments of Long-term Debt Proceeds from sale of warrants Proceeds from Issuance of Warrants Payments for bond hedge options Payments for (Proceeds from) Hedge, Financing Activities Payments of deferred financing and equity issuance costs Payment of Financing and Stock Issuance Costs Redemption of 2014 convertible senior notes Repayments of Convertible Debt Proceeds from term loan borrowings Proceeds from Issuance of Senior Long-term Debt Proceeds from 2017 convertible senior notes Proceeds From Cash Settled Convertible Debt The cash inflow from the issuance of a long-term deb instrument which is cash settled. Payment for loss on interest rate swap termination Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax Payments of capital leases Repayments of Long-term Capital Lease Obligations Excess tax benefit from stock-based compensation arrangements Excess Tax Benefit from Share-based Compensation, Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rates on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Goodwill and Intangible Assets Disclosure [Abstract] Goodwill [Roll Forward] Goodwill at December 31, 2011 Goodwill Foreign currency translation Goodwill, Translation Adjustments Goodwill at September 30, 2012 Schedule of Finite and Indefinite Lived Intangible Assets by Major Class [Table] Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Table] Disclosure of the carrying value of amortizable and nonamortizable intangibles assets, in total and by major class. Finite-lived intangible assets have a stated useful life over which their gross carrying value is amortized. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Intangible assets by life classificaton [Axis] Intangible Assets By Life Classification [Axis] Disclosure of intangible assets by life classification Life classification [Domain] Life Classification Domain The life classification of various intangible assets Finite-Lived Intangible Assets [Member] Finite Lived Intangible Assets Member Information on amortizable intangible assets. Indefinite-Lived Intangible Assets [Member] Indefinite Lived Intangible Assets Member Informaiton on nonamortizable intangible assets. Finite and Indefinite Lived Intangible Assets by Major Class [Axis] Finite And Indefinite Lived Intangible Assets By Major Class [Axis] The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table. Finite And Indefinite Lived Intangible Assets Major Class Name Domain Distribution channels [Member] Distribution Rights [Member] Completed technology [Member] Developed Technology Rights [Member] Licenses [Member] Licensing Agreements [Member] Customer relationships [Member] Customer Relationships [Member] Trademarks [Member] Trademarks [Member] Noncompete Agreements [Member] Noncompete Agreements [Member] Other [Member] Other Intangible Assets [Member] Finite And Indefinite Lived Intangible Assets [Line Items] Finite And Indefinite Lived Intangible Assets [Line Items] Indefinite life intangibles Indefinite-Lived Intangible Assets (Excluding Goodwill) Definite life intangibles, cost Finite-Lived Intangible Assets, Gross Intangible Assets, Gross, Excluding Goodwill Intangible Assets, Gross, Excluding Goodwill Intangible Assets Gross, Excluding Goodwill Less: Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Future amortization [Abstract] Finite-Lived Intangible Assets, Future Amortization Expense [Abstract] 2012 Future Amortization Expense, Current Fiscal Year Future Amortization Expense, Current Fiscal Year 2013 Future Amortization Expense, Year One 2014 Future Amortization Expense, Year Two 2015 Future Amortization Expense, Year Three 2016 Future Amortization Expense, Year Four Raw materials Inventory, Raw Materials Work-in-process Inventory, Work in Process Finished goods Inventory, Finished Goods Total Inventory Inventory, Net Entity [Text Block] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Information [Table] Document Information, Document [Axis] Document Information, Document [Axis] Document [Domain] Document [Domain] Document Information [Line Items] Document Information [Line Items] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Cost and Reserve [Axis] Restructuring Cost and Reserve [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Severance and Other Termination Benefits [Member] Employee Severance [Member] Contract Terminations [Member] Contract Termination [Member] Non-cash Asset Impairment Charges [Member] Non-cash Asset Impairment Charges [Member] Non-cash Asset Impairment Charges [Member] Excess and Obsolete Charges [Member] Excess and Obsolete Charges [Member] Excess and Obsolete Charges [Member] Legal and Professional Fees [Member] Professional Fees [Member] Other Cash and Non-cash Charges [Member] Other Cash and Non-cash Charges [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Work force reduction, number of employees Restructuring and Related Cost, Number of Positions Eliminated Work force reduction, percentage Restructuring and Related Cost, Number of Positions Eliminated, Percentage of Total Employees Restructuring and Related Cost, Number of Positions Eliminated, Percentage of Total Employees Restructuring charges Restructuring and Related Cost, Incurred Cost Cumulative charges Restructuring and Related Cost, Cost Incurred to Date Restructuring Reserve [Roll Forward] Restructuring liability, beginning balance Restructuring Reserve Charges Restructuring Reserve, Period Expense Payments Restructuring Reserve, Settled with Cash Changes in foreign currency translation Restructuring Reserve, Translation Adjustment Restructuring liability at September 30, 2012 Derivative Instruments and Hedging Activities Disclosure [Abstract] Change in Fair Value Change in Fair Value [Table Text Block] [Table Text Block] for Table of gain or loss recognized in earnings as a result of the change in fair value of derivatives. Summary of fair value and the presentation in the consolidated balance sheet Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Derivative Impact to AOCI Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Weighted average number of shares outstanding for basic and diluted earnings per share Schedule of Weighted Average Number of Shares [Table Text Block] Antidilutive potential common shares resulting from reasons other than net loss incurred excluded from the diluted earnings per share computation Antidilutive potential common shares, resulting from reasons other than net loss incurred, excluded from the diluted earnings per share computation [Table Text Block] Tabular disclosure of securities that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. This disclosure includes antidilutive potential common shares which resulted from reasons other than net loss incurred during the period. Marketable Securities Marketable Securities [Text Block] Income Statement [Abstract] Net sales Sales Revenue, Goods, Net Cost of sales Cost of Goods Sold Cost of Sales - restructuring Inventory Write Down, Restructuring Inventory Write Down, Restructuring Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Research and development Research and Development Expense Restructuring charges Restructuring Charges Total operating expenses Operating Expenses Operating (loss) income Operating Income (Loss) Interest expense, net Interest Expense Income, Net Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and the cost of borrowed funds accounted for as interest that was charged against earnings during the period. Other expense, net Other Nonoperating Income (Expense) (Loss) income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest (Benefit) provision for income taxes Income Tax Expense (Benefit) Net loss Net (loss) income per share (Note 8): Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Weighted-average number of shares outstanding-basic (in shares) Weighted-average number of shares outstanding, diluted (in shares) Property, Plant and Equipment, Net [Abstract] Property, Plant and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of Assets from Segment to Consolidated [Table Text Block] Reconciliation of Assets from Segment to Consolidated [Table Text Block] Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Goodwill and Intangible Goodwill and Intangible Assets Disclosure [Text Block] Accounting Policies [Abstract] Valuation of Financial Instruments at Fair Value Table Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Other Comprehensive Income (Loss), Reclassification Adjustment for Write-down of Securities Included in Net Income, Tax Other Comprehensive Income (Loss), Reclassification Adjustment for Write-down of Securities Included in Net Income, Tax Earnings Per Share Earnings Per Share [Text Block] Assets: Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Marketable securities Marketable Securities, Current Accounts receivable, net Accounts Receivable, Net, Current Inventories Prepaid expenses Prepaid Expense, Current Deferred income taxes Deferred Tax Assets, Net, Current Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Goodwill Intangible assets, net Marketable securities Marketable Securities, Noncurrent Deferred income taxes Deferred Tax Assets, Net, Noncurrent Other assets Other Assets, Noncurrent Total assets Assets Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered, and carrying amount of current obligations as of the balance sheet date not separately disclosed in the balance sheet due to materiality considerations. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Current portion of long-term obligations Debt, Current Total current liabilities Liabilities, Current Long-term debt and capital lease obligations Long-term Debt and Capital Lease Obligations Deferred income taxes Deferred Tax Liabilities, Noncurrent Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 10) Commitments and Contingencies Stockholders' equity: Common stock, $.01 par value, authorized: 100,000,000 shares; issued and outstanding: 39,679,094 shares at September 30, 2012 and 39,306,118 shares at December 31, 2011 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Changes in the Carrying Amount of Goodwill Table Schedule of Goodwill [Table Text Block] Components of Identifiable Assets Table Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Text Block] Schedule of charges associated with restructuring recognized Schedule of Restructuring and Related Costs [Table Text Block] Schedule of activity in the restructuring liability Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Statement, Geographical [Axis] Statement, Geographical [Axis] Segment, Geographical [Domain] Segment, Geographical [Domain] United States [Member] UNITED STATES Europe [Member] Europe [Member] Europe [Member] Other Geographic Location [Member] Other Geographic Location [Member] Other Geographic Location [Member] Statement, Business Segments [Axis] Statement, Business Segments [Axis] Segment [Domain] Segment [Domain] Reportable Segment [Member] Reportable Segment [Member] Orthorecon [Member] Orthorecon [Member] Orthorecon [Member] Extremities [Member] Extremities [Member] Extremities [Member] Corporate [Member] Unallocated Amount to Segment [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of reportable segments (in segments) Number of Reportable Segments Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Depreciation expense Amortization Expense Without Distributor Conversion Amortization Expense Without Distributor Conversion Amortization Expense Without amortization associated with the Intangible recorded for distributor conversion non-compete agreements. Operating (loss) income Restructuring Non-cash, stock-based compensation U.S. governmental inquiries/DPA related Charges Associated with Governmental Inquiries Charges Associated with U.S. governmental inquiries and the DPA. Inventory step-up amortization Inventory Step-Up Amortization Expense Inventory Step-Up Amortization Expense Distributor Conversion Charges Distributor Conversion Charges Amortization expense and other charges associated with distributor conversions. Product Liability Accrual, Period Expense Product Liability Accrual, Period Expense EmploymentMatters EmploymentMatters The costs associated with the settlement of certain employment matters and the hiring of a new CEO Capital expenditures Change in sales (as a percent) Sales Revenue, Goods, Net, Percent Change Sales Revenue, Goods, Net, Percent Change Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Assets Intangible Assets [Abstract] Intangible Assets [Abstract] Date Of Goodwill Impairment Testing Upon Change In Reportable Segments DateOfGoodwillImpairmentTestingUponChangeInReportableSegment The date of goodwill impairment testing upon the change in reportable segments. DistributorConversionIntangible Distributor Conversion Intangible Noncompete agreements associated with our distributor conversions. Weighted Average Amortization Period Distributor Conversion Weighted Average Amortization Period Distributor Conversion The weighted average amortization period of the intangible recorded for distributor conversions. Property, plant and equipment, at cost Property, Plant and Equipment, Gross Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net property, plant and equipment Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Segment and Geographic Information Segment Reporting Disclosure [Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] 2014 Convertible Debt [Member] 2014convertibledebt [Member] 2014 Convertible Debt [Member] 2017 Convertible Debt [Member] 2017convertibledebt [Member] 2017convertibledebt [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] CCI® Evolution Mobile Bearing Total Ankle Replacement [Member] Evolution Mobile Bearing Total Ankle Replacement [Member] CCI® Evolution Mobile Bearing Total Ankle Replacement [Member] EZ Concepts Surgical Device Corporation [Member] Ez Concepts Surgical Device Corporation [Member] Ez Concepts Surgical Device Corporation [Member] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value, Disclosure Item Amounts [Domain] Carrying (Reported) Amount, Fair Value Disclosure [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Portion at Fair Value, Fair Value Disclosure [Member] Portion at Fair Value, Fair Value Disclosure [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Long-term debt, gross Long-term Debt, Gross Convertible senior notes Long-term Debt, Fair Value Stated percentage rate Debt Instrument, Interest Rate, Stated Percentage Contingent consideration potential cash payment Business Acquisition, Contingent Consideration, Potential Cash Payment Contingent consideration at fair value Business Acquisition, Contingent Consideration, at Fair Value Contingent consideration at fair value, current Business Acquisition, Contingent Consideration, at Fair Value, Current Contingent consideration at fair value, noncurrent Business Acquisition, Contingent Consideration, at Fair Value, Noncurrent Subsequent Events Subsequent Events [Text Block] Current Marketable Securities Noncurrent Marketable Securities Schedule of Marketable Securities [Table] Schedule of Marketable Securities [Table] Scheduele of Securities by type of holding period[Axis] Schedule of Securities by type of holding period [Axis] -- None. No documentation exists for this element. -- Schedule of Securities by category of investment [Domain] Schedule of Securities by category of investment [Domain] Categories of Investments, Marketable Securities, Available-for-sale Securities [Member] Categories of Investments, Marketable Securities, Available-for-sale Securities [Member] Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Debt Securities [Member] Debt Securities [Member] Municipal debt securities [Member] US States and Political Subdivisions Debt Securities [Member] U.S. agency debt security [Member] US Government Agencies Debt Securities [Member] Corporate debt securities [Member] Corporate Debt Securities [Member] U.S. government debt securities [Member] US Treasury Securities [Member] Corporate equity securities [Member] Equity Securities [Member] Schedule of Marketable Securities [Line Items] Schedule of Marketable Securities [Line Items] Amortized Cost Available-for-sale Securities, Amortized Cost Basis Gross Unrealized Gains Available-for-sale Securities, Gross Unrealized Gains Gross Unrealized (Losses) Available-for-sale Securities, Gross Unrealized Losses Estimated Fair Value Available-for-sale Securities, Fair Value Disclosure Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Components of Non Cash, Stock Based Compensation [Axis] Components of Non Cash, Stock Based Compensation [Axis] Components of Non Cash, Stock Based Compensation [Domain] Components of Non Cash, Stock Based Compensation [Domain] Cost of sales [Member] Cost of Sales [Member] Selling, general and administrative [Member] Selling, general and administrative [Member] Research and development [Member] Other Research and Development Expense [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Derivatives, Fair Value, by Balance Sheet Location [Axis] Derivatives, Fair Value, by Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] 2017 Notes Hedges [Member] 2017 Notes Hedges [Member] 2017 Notes Hedges [Member] Capital Lease Obligations [Member] Capital Lease Obligations [Member] Term Loan [Member] Loans Payable [Member] Delayed Draw Term Loan [Member] Delayed Draw Term Loan [Member] Delayed Draw Term Loan [Member] Line of Credit [Member] Line of Credit [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Debt and Capital Lease Obligations [Abstract] Debt and Capital Lease Obligations [Abstract] Debt and capital lease obligations Debt and Capital Lease Obligations Less: Current portion Long term debt and capital lease obligations Net Proceeds Used To Repay Term Loan Net Proceeds Used To Repay Term Loan Net Proceeds Used To Repay Term Loan Maturity date Debt Instrument, Maturity Date Debt Instrument, Convertible, Terms of Conversion Feature Debt Instrument, Convertible, Terms of Conversion Feature Debt Instrument, Interest Rate, Effective Percentage Debt Instrument, Interest Rate, Effective Percentage Payments for bond hedge options Incremental Common Shares Attributable to Call Options and Warrants Incremental Common Shares Attributable to Call Options and Warrants Investment Warrants, Exercise Price Investment Warrants, Exercise Price Payments of Stock Issuance Costs Payments of Stock Issuance Costs Debt instrument, convertible, conversion ratio Debt Instrument, Convertible, Conversion Ratio Conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Debt instrument, convertible, redemption price as a percent of the principal Debt Instrument, Convertible, Redemption Price as a Percent of the Principal Debt Instrument, Convertible, Redemption Price as a Percent of the Principal Threshold for Conversion as Percent of Conversion Price Threshold for Conversion as Percent of Conversion Price During any calendar quarter commencing after the calendar quarter ending December 31, 2012 (and only during such calendar quarter), if the last reported sale price of the common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day. Debt instrument, convertible, threshold percentage of the conversion price Debt Instrument, Convertible, Threshold Percentage of the Conversion Price Debt Instrument, Convertible, Threshold Percentage of the Conversion Price Threshold for Conversion Threshold for Conversion During the five business day period after any five consecutive trading day period in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of our common stock and the conversion rate on each such trading day. Debt instrument, convertible, minimum consecutive period Debt Instrument, Convertible, Minimum Consecutive Period Debt Instrument, Convertible, Minimum Consecutive Period Debt instrument, convertible, trading period Debt Instrument, Convertible, Trading Period Debt Instrument, Convertible, Trading Period Description of redemption price Description of redemption price A description of the terms of redeeming the notes, including the date ,the price, and how accrued and unpaid interest is handled. Debt instrument, convertible, purchase Price as a Percent of principal amount if fundamental change event occurs Debt Instrument, Convertible, Purchase Price as a Percent of Principal Amount if Fundamental Change Event Occurs Debt Instrument, Convertible, Purchase Price as a Percent of Principal Amount if Fundamental Change Event Occurs Extinguishment of debt, amount Write off of pro-rata unamortized deferred financing fees and for bank and legal fees Write off of Deferred Debt Issuance Cost Maximum borrowing capacity, line of credit Line of Credit Facility, Maximum Borrowing Capacity Availability of increased borrowing on the line of credit upon request Line of Credit Facility, Increase, Additional Borrowings Interest rate description Line of Credit Facility, Interest Rate Description Deferred finance charges Debt Instrument, Deferred Financing Charges Debt Instrument, Deferred Financing Charges Debt Discount at Time of Issuance Debt Discount at Time of Issuance Debt discount at time of issuance. Amortization of Debt Discount (Premium) Amortization of Debt Discount (Premium) Notional amount of derivative Derivative, Notional Amount Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Interest Rate Swap [Member] Interest Rate Swap [Member] 2017 Notes Conversion Derivative [Member] 2017 Notes Conversion Derivative [Member] 2017 Notes Conversion Derivative [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] 2017 Notes Hedges Derivative Asset, Fair Value, Gross Asset 2017 Notes Conversion Derivative Derivative Liability, Fair Value, Gross Liability Derivative, Gain (Loss) on Derivative, Net Derivative, Gain (Loss) on Derivative, Net Non Cash Adjustment Derivative Fair Value Inception date Derivative, Inception Date Rate of interest on swap Derivative, Fixed Interest Rate Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges [Roll Forward] Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges [Roll Forward] Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges [Roll Forward] AOCI, net gain (loss) from cash flow hedges, beginning balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Before Tax 1 Accumulated change, before tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. Current period amount of loss recognized in AOCI Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax AOCI, net gain (loss) from cash flow hedges, ending balance Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Municipal debt securities [Member] Municipal Bonds [Member] Fair Value by Measurement Frequency [Axis] Fair Value by Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Available-for-sale marketable securities Total assets Assets, Fair Value Disclosure Liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] 2017 Notes Conversion Derivative Interest Rate Swap Fair Value Liability Interest Rate Swap Fair Value Liability The fair value of the interest rate swap in an liability position. Contingent consideration Contingent Consideration Fair Value The fair value of contingent consideration. Total liabilities Liabilities, Fair Value Disclosure Product Liability Contingency [Table] Product Liability Contingency [Table] PROFEMUR Titanium Modular Neck Product [Member] PROFEMUR Titanium Modular Neck Product [Member] PROFEMUR Titanium Modular Neck Product [Member] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Product Liability Contingency [Line Items] Product Liability Contingency [Line Items] Self Insurance Estimated Potential Recovery From Third Party Self Insurance Estimated Potential Recovery From Third Party Future potential estimated self insurance recovery from third party. Estimated product liability range, minimum Loss Contingency, Range of Possible Loss, Minimum Estimated product liability range, maximum Loss Contingency, Range of Possible Loss, Maximum Product Liability Accrual, Net Loss Contingency Accrual , Product Liability, Net Product Liability, current Loss Contingency Accrual , Product Liability, Undiscounted, Due within One Year Product Liability, non current Loss Contingency Accrual, Product Liability, Undiscounted, Due After One Year The portion of the estimated aggregate undiscounted amount of the accrual for damages arising from third-party use of the entity's product(s) or process(es) that is expected to be paid after year one. Estimated Recovery from Third Party, Current Estimated Recovery from Third Party, Current Estimated Recovery from Third Party, Current Estimated Recovery from Third Party, Noncurrent Estimated Recovery from Third Party, Noncurrent Estimated Recovery from Third Party, Noncurrent Long Term Debt and Capital Lease Obligations Debt Disclosure [Text Block]