Disclosure of Compensation Related Costs, Share-based Payments [Abstract] STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Revolving Credit Facility Revolving Credit Facility [Member] 2016 Convertible Senior Notes Convertible Debt [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] August 2010 Amendment August Two Thousand Ten Amendment [Member] August Two Thousand Ten Amendment [Member] June 2011 Amendment June Two Thousand Eleven Amendment [Member] June Two Thousand Eleven Amendment [Member] May 2012 Amendment Third Amendment [Member] Third Amendment [Member] June 2013 Amendment Fourth Amendment [Member] [Member] Fourth Amendment [Member] - June 2013 Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Leverage Ratio after March 31, 2015 Leverage Ratio after March 31, 2015 [Member] Leverage Ratio after March 31, 2015 [Member] Maximum Levarage Ratio July 01, 2014 through March 31.2015 Levarage Ratio July 01, 2014 through March 31, 2015 [Member] Levarage Ratio July 01, 2014 through March 31, 2015 [Member] Option Under Senior Credit Facility [Axis] Option Under Senior Credit Facility [Axis] Option Under Senior Credit Facility [Axis] Option Under Senior Credit Facility [Domain] Option Under Senior Credit Facility [Domain] Option Under Senior Credit Facility [Domain] Option (i) Option I [Member] Option I [Member] Option (ii), (x) Option X [Member] Option X [Member] Option (ii), (z) Option Z [Member] Option Z [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Senior credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Reallocated term loan Reallocated Term Loan Amount of term loan reallocated to revolving credit facility in connection with the second amendment to the agreement. Additional commitments Additional Commitments The potential increase in the total borrowing capacity with further commitments from the lending syndicate. Line of credit facility, expiration date Line of Credit Facility, Expiration Date Leverage ratio Leverage Ratio Excess cash which is used in the consolidated total leverage ratio, that is not subject to any restriction on the use or investment. Debt issuance costs Debt Issuance Cost Interest rates available to the Company at its option Debt Instrument, Basis Spread on Variable Rate Cash balance threshold above which excess amount is not subject to any restriction of use or investment Cash Balance Threshold Above Which Excess Cash Is Not Subject To Restriction Of Use Cash Balance Threshold Above Which Excess Cash Is Not Subject to Restriction of Use Line of credit, commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Line of credit facility outstanding Line of Credit Facility, Amount Outstanding Weighted average interest rate on debt Debt, Weighted Average Interest Rate Available borrowings under senior secured revolving credit facility Line of Credit Facility, Remaining Borrowing Capacity Fair value of outstanding borrowings Debt Instrument, Fair Value Disclosure Principal amount outstanding Debt Instrument, Face Amount Interest rate on debt Debt Instrument, Interest Rate, Stated Percentage Portion of the debt proceeds that was classified as equity at the time of the offering Debt Instrument, Convertible, Carrying Amount of Equity Component Effective interest rate implicit in the liability component Debt Instrument, Interest Rate During Period Carrying amount of liability Convertible Debt, Noncurrent Unamortized discount Debt Instrument, Unamortized Discount Common stock based on initial conversion rate ratio (in shares) Debt Instrument, Convertible, Conversion Ratio Principal amount to be considered for conversion purpose Principal Amount To Be Considered For Conversion Purpose Principal amount of notes for each initial conversion into common shares. Initial conversion price, per share Debt Instrument, Convertible, Conversion Price Maximum selling price of company's common stock Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Principal amount of notes per average trading price Principal Amount Of Notes Per Average Trading Price Principal amount of notes for determining if the average trading price is in excess of this percentage of the conversion value. Maximum average conversion value of the Notes Maximum Average Conversion Value Of Notes The notes are convertible if the average trading price per $1000 principal amount of notes is less than or equal to this percentage of the average conversion value of the notes during a period as defined in the indenture. Earliest conversion date Earliest Conversion Date The earliest conversion date if none of the other conversion criteria are met Strike price of the call transaction (in dollars per share) Derivative Price Of Call Transaction Strike Price Derivative price of the call transaction, strike price. Strike price of warrant transactions (in dollars per share) Strike Price Of Warrant Transactions Strike price of the warrant transactions entered into with affiliates of the initial purchasers of the Notes. Inventory, Net [Abstract] Schedule Of Inventory, Net Schedule of Inventory, Current [Table Text Block] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Covered Period [Axis] Covered Period [Axis] Covered Period [Axis] Covered Period [Domain] Covered Period [Domain] [Domain] for Covered Period [Axis] One month period One month period [Member] One month period [Member] 12 month period 12 month period [Member] 12 month period [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Area of leased property Area of Leased Property Area of Leased Property Operating lease contract term Lessee Leasing Arrangements, Operating Leases, Term of Contract Operating lease renewal term Lessee Leasing Arrangements, Operating Leases, Renewal Term Operating leases, rent expense, minimum rentals Operating Leases, Rent Expense, Minimum Rentals Operating leases, additional rent Operating leases, additional rent expense Operating leases, additional rent expense Roof replacement cost Roof replacement expense Roof replacement expense Window replacement cost Window replacement cost Window replacement cost Goodwill and Intangible Assets Disclosure [Abstract] Goodwill Goodwill Annual amortization expense expected to approximate in 2013 Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year Annual amortization expense expected to approximate in 2014 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Annual amortization expense expected to approximate in 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Two Annual amortization expense expected to approximate in 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Three Annual amortization expense expected to approximate in 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Four Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Compensation Plan Stock Compensation Plan [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock options, shares outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Shares excluded from computation as their effect would be anti-dilutive Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] RETIREMENT BENEFIT PLANS Pension and Other Postretirement Benefits Disclosure [Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Statement [Line Items] Statement [Line Items] Trade accounts receivable, allowances Allowance for Doubtful Accounts Receivable, Current Preferred Stock, par value (in dollars per share) Preferred Stock, No Par Value Preferred Stock, authorized shares (in shares) Preferred Stock, Shares Authorized Preferred Stock, outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Treasury stock, shares (in shares) Treasury Stock, Shares Segment Reporting [Abstract] Number of reportable segments Number of Reportable Segments Equity [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Gains and Losses on Cash Flow Hedges Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Interest Rate Swap Interest Rate Swap [Member] Foreign Currency Forwards Foreign Exchange Forward [Member] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification out of Accumulated Other Comprehensive Income [Line Items] [Line Items] for Reclassification out of Accumulated Other Comprehensive Income [Table] Interest (expense) Interest Expense Cost of goods sold Cost of Goods Sold Total before tax Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Tax (expense) or benefit Income Tax Expense (Benefit) Net income (loss) Net Income (Loss) Attributable to Parent NET INCOME PER SHARE Earnings Per Share [Text Block] Reporting Unit [Table] Reporting Unit [Table] Reporting Unit [Table] Reporting Unit [Axis] Reporting Unit [Axis] Reporting Unit [Axis] Reporting Unit [Domain] Reporting Unit [Domain] [Domain] for Reporting Unit [Axis] U.S. Spine U.S. Spine [Member] U.S. Spine Private Label Private Label [Member] Private Label Reporting Unit [Line Items] Reporting Unit [Line Items] [Line Items] for Reporting Unit [Table] COMPREHENSIVE (LOSS) INCOME Comprehensive Income (Loss) Note [Text Block] Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Orthopedics Orthopedics [Member] Orthopedics. Neurosurgery Neurosurgery [Member] Neurosurgery. Instruments Instruments [Member] Instruments. Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Total Revenues Sales Revenue, Goods, Net Income Tax Disclosure [Abstract] Income Tax Examination [Table] Income Tax Examination [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] State and Local Jurisdiction State and Local Jurisdiction [Member] Foreign Tax Authority Foreign Tax Authority [Member] Internal Revenue Service (IRS) Domestic Tax Authority [Member] Income Tax Examination [Line Items] Income Tax Examination [Line Items] Reported tax rate Effective Income Tax Rate Reconciliation, Percent Income tax reconciliation, tax credits, research Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Income tax examination, increase (decrease) in liability from prior year Income Tax Examination, Increase (Decrease) in Liability from Prior Year Effective tax rate estimate Effective Tax Rate Estimate Integra's expectation of what the full year effective income tax rate will be. U.S. Neurosurgery U S Neurosurgery [Member] U S Neurosurgery [Member] U.S. Instruments U S Instruments [Member] U S Instruments [Member] U.S. Extremities U S Extremities [Member] U S Extremities [Member] U.S. Spine And Other U S Spine And Other [Member] U S Spine and Other [Member] International International [Member] International [Member] Segment Net Sales Segment Profit Segment Profit Loss Segment Profit (Loss) Amortization Amortization of Intangible Assets Corporate and other Other General Expense Operating income Operating Income (Loss) Statement of Cash Flows [Abstract] OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) 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 and amortization Depreciation, Depletion and Amortization Deferred income tax (benefit) provision Deferred Income Tax Expense (Benefit) Amortization of debt issuance costs Amortization of Financing Costs Non-cash interest expense Accretion Expense Payment of accreted interest Payment Of Accreted Interest Cash Flow The accreted interest component paid related to repurchases of convertible debt and thus is deducted when calculating net cash flows from operating activities using the indirect cash flow method. Loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Share-based compensation Share-based Compensation Excess tax benefits from stock-based compensation arrangements Excess Tax Benefit from Share-based Compensation, Operating Activities Changes in assets and liabilities, net of business 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 Other non-current assets Increase (Decrease) in Other Operating Assets Accounts payable, accrued expenses and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Deferred revenue Increase (Decrease) in Deferred Revenue Other non-current liabilities Increase (Decrease) in Other Noncurrent Liabilities 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] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Sales of property and equipment Proceeds from Sale of Property, Plant, and Equipment Cash used in business acquisition, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Purchases of short-term investments Payments to Acquire Short-term Investments Maturities of short-term investments Proceeds from Sale of Short-term Investments 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] Borrowings under senior credit facility Proceeds from Issuance of Secured Debt Repayments under senior credit facility Repayments of Secured Debt Payment of liability component of convertible notes Repayments of Convertible Debt Payment of debt issuance costs Payments of Debt Issuance Costs Proceeds from exercised stock options Proceeds from Stock Options Exercised Excess tax benefits 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 rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net change in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Business Combinations [Abstract] BUSINESS ACQUISITIONS Business Combination Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Summary Of Fair Value In Balance Sheet For Derivatives Designated As Hedging Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Effect Of Derivative Instruments Designated As Cash Flow Hedges On Statements Of Operations Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Tarsus Medical, Inc. Tarsus Medical, Inc. [Member] Tarsus Medical, Inc. [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Schedule of Purchase Price Allocation Schedule of Business Acquisitions, by Acquisition [Table Text Block] INVENTORIES Inventory Disclosure [Text Block] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Cash Consideration One Cash Consideration One [Member] Cash Consideration One [Member] Cash Consideration Two Cash Consideration Two [Member] Cash Consideration Two Business combination, consideration transferred Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Payments to acquire business net of cash acquired Payments To Acquire Business Net Of Cash Acquired Payments To Acquire Business Net Of Cash Acquired Business combination, contingent consideration, liability Business Combination, Contingent Consideration, Liability Business combination, contingent consideration arrangements, range of outcomes, value, low Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Business acquisition, additional cash consideration payable upon completion of milestones Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Fair value inputs, discount rate Fair Value Inputs, Discount Rate Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Completed Technology Completed Technology [Member] Completed technology. Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Prepaid expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Technology Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles In-process research and development Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Deferred tax asset - long term Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent Goodwill Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Accounts payable and other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Deferred tax liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Net assets acquired Weighted average useful life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of goods sold Cost of Goods, Total [Member] Interest (expense) Interest Expense [Member] Foreign Currency Forward Contracts Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Balance in AOCI Beginning of Period Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedge Effect Before Tax Accumulated Other Comprehensive Income Loss Cumulative Changes in Net Gain Loss from Cash Flow Hedge Effect Before Tax Amount of Gain (Loss) Recognized in AOCI- Effective Portion Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Amount of Gain (Loss) Reclassified from AOCI into Earnings-Effective Portion Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Balance in AOCI End of Period Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract] Accelerated Share Repurchases [Table] Accelerated Share Repurchases [Table] Accelerated Share Repurchases, Date [Axis] Accelerated Share Repurchases, Date [Axis] Accelerated Share Repurchases, Date [Domain] Accelerated Share Repurchases, Date [Domain] October 2012 Authorization October 2012 Authorization [Member] October 2012 Authorization [Member] Accelerated Share Repurchases [Line Items] Accelerated Share Repurchases [Line Items] Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Amount available for share repurchase under this latest authorization Stock Repurchase Program, Remaining Authorized Repurchase Amount Schedule Of Changes In Carrying Amount Of Goodwill Schedule of Goodwill [Table Text Block] Components Of Company's Identifiable Intangible Assets Schedule Of Definite And Indefinite Lived Intangible Assets Table [Text Block] Schedule Of Definite And Indefinite Lived Intangible Assets [Table Text Block] ASSETS Assets [Abstract] Current Assets: Assets, Current [Abstract] Cash and cash equivalents Trade accounts receivable, net of allowances of $9,637 and $7,221 Accounts Receivable, Net, Current Inventories, net Inventory, Net Deferred tax assets Deferred Tax Assets, Net of Valuation Allowance, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Deferred tax assets Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current Liabilities: Liabilities, Current [Abstract] Accounts payable, trade Accounts Payable, Trade, Current Deferred revenue Deferred Revenue, Current Accrued compensation Employee-related Liabilities, Current Accrued expenses and other current liabilities Accrued Liabilities, Current Total current liabilities Liabilities, Current Long-term borrowings under senior credit facility Secured Long-term Debt, Noncurrent Long-term convertible securities Deferred tax liabilities Deferred Tax Liabilities, Net, Noncurrent Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Stockholders’ Equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred Stock; no par value; 15,000 authorized shares; none outstanding Preferred Stock, Value, Issued Common stock; $0.01 par value; 60,000 authorized shares; 36,969 and 36,852 issued at June 30, 2013 and December 31, 2012, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock, at cost; 8,903 shares at June 30, 2013 and December 31, 2012 Treasury Stock, Value Accumulated other comprehensive (loss) 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 INCOME TAXES Income Tax Disclosure [Text Block] Basic And Diluted Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Net Periodic Benefit Costs For Defined Benefit Pension Plans Schedule of Costs of Retirement Plans [Table Text Block] Derivative [Table] Derivative [Table] Derivative [Line Items] Derivative [Line Items] Interest rate swap expiration date Derivative, Description of Terms Pretax losses expected to be reclassified from AOCI in next 12 months Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] DERIVATIVE INSTRUMENTS Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Table] Derivative Instruments And Hedging Activities Disclosure [Table] Derivative Instruments and Hedging Activities Disclosure [Table] Derivative Instruments and Hedging Activities Disclosure [Line Items] Derivative Instruments And Hedging Activities Disclosure [Line Items] Derivative Instruments and Hedging Activities Disclosure [Line Items] Notional amount derivative instruments Derivative, Notional Amount Reduction in notional amount of interest rate derivatives in next twelve months Reduction In Notional Amount Of Interest Rate Derivatives In Next Twelve Months Reduction in Notional Amount of Interest Rate Derivatives in the next twelve months. SEGMENT AND GEOGRAPHIC INFORMATION Segment Reporting Disclosure [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] United States UNITED STATES Europe Europe [Member] Rest of World Rest Of World [Member] Revenues from rest of the world. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Document Documentand Entity Information [Abstract] Document - Document and Entity Information [Abstract] Entities [Table] Entities [Table] Document Information [Line Items] Document Information [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol 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 Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Intangible Assets by Major Class [Table] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] In-Process Research And Development In Process Research and Development [Member] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Indefinite lived in-process research and development Other Indefinite-lived Intangible Assets Schedule of Comprehensive (Loss) Income Comprehensive Income (Loss) [Table Text Block] Schedule of Changes in Accumulated Other Comprehensive Income by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income (Loss) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Subsequent Events Subsequent Events [Text Block] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Defined Benefit Pension Items Accumulated Defined Benefit Plans Adjustment [Member] Foreign Currency Items Accumulated Translation Adjustment [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Beginning balance Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Ending balance Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options Employee Stock Option [Member] Restricted stock awards/stock units Restricted Stock Awards And Units [Member] Restricted Stock Awards And Units [Member] Performance Shares Performance Shares [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock options exercisable, vesting period, in years Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Stock options exercisable for directors, expiration period, in years Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Directors Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Directors Total unrecognized compensation costs Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted-average period for cost recognition, in years Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Requisite service periods of awards, in years Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period Awards granted during period Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Derivative Instruments and Hedging Activities Disclosure [Table] Foreign Exchange Contract Foreign Exchange Contract [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other current assets Other Current Assets [Member] Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities [Member] Accrued expenses and other current liabilities. Other liabilities Other Liabilities [Member] Fair value of derivative assets Cash Flow Hedge Derivative Instrument Assets at Fair Value Fair value of derivative liabilities Derivative Liability, Fair Value, Gross Liability TREASURY STOCK Treasury Stock [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Disclosure [Abstract] Components Of Interest Expense Components Of Interest Expense Table [Text Block] Components Of Interest Expense [Table Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] U.S. Neurosurgery Neurosurgery Us [Member] Neurosurgery-US [Member] U.S. Instruments Instruments Us [Member] Instruments-US [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill, gross Goodwill, Gross Accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning period, December 31, 2012 Goodwill acquired during period Goodwill, Acquired During Period Foreign currency translation Goodwill, Translation Adjustments Ending period, June 30, 2013 Finished goods Inventory, Finished Goods, Net of Reserves Work-in process Inventory, Work in Process, Net of Reserves Raw materials Inventory, Raw Materials and Purchased Parts, Net of Reserves Inventories, net Inventory Disclosure [Abstract] Inventory, medical device tax Inventory, Medical Device Tax Medical Device Tax capitalized into inventory Schedule Of Net Sales And Operating Income By Reportable Segment Schedule Of Net Sales And Operating Income By Reportable Segment Table [Text Block] Schedule Of Net Sales And Operating Income By Reportable Segment [Table Text Block] Revenues By Market Category Revenue from External Customers by Products and Services [Table Text Block] Total Revenue By Major Geographic Area Schedule of Segment Reporting Information, by Segment [Table Text Block] Net (loss) income Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Change in unrealized gain on derivatives, net of tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Pension liability adjustment, net of tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Basic net income per share: Earnings Per Share, Basic [Abstract] Weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Basic net income per common share (in dollars per share) Earnings Per Share, Basic Diluted net income per share: Earnings Per Share, Diluted [Abstract] Effect of dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Stock options and restricted stock (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average common shares for diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted net income per common share (in dollars per share) Earnings Per Share, Diluted Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Net period benefit cost Defined Benefit Plan, Net Periodic Benefit Cost Income Statement [Abstract] Total revenue, net Costs and Expenses: Costs and Expenses [Abstract] Cost of goods sold Research and development Research and Development Expense Selling, general and administrative Selling, General and Administrative Expense Intangible asset amortization Total costs and expenses Costs and Expenses Interest income Investment Income, Interest Interest expense Other income (expense), net Other Nonoperating Income (Expense) Income (loss) before income taxes Income tax (benefit) expense Weighted average common shares outstanding (See Note 11): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Comprehensive income (loss) (See Note 12) Reduction in projected benefit obligations Defined Benefit Plan, Curtailments Total contributions made by the Company Defined Benefit Plan, Contributions by Employer GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Schedule of Intangible Assets by Major Class [Table] Schedule Of Intangible Assets By Major Class [Table] Schedule of Intangible Assets by Major Class [Table] Schedule Of Companys Identifiable Intangible Assets [Axis] Schedule Of Companys Identifiable Intangible Assets [Axis] Schedule Of Companys Identifiable Intangible Assets [Axis] Schedule Of Companys Identifiable Intangible Assets [Domain] Schedule Of Companys Identifiable Intangible Assets [Domain] Schedule Of Companys Identifiable Intangible Assets [Domain] Completed technology Customer relationships Customer Relationships [Member] Trademarks/brand names Trademarks Brand Names [Member] Trademarks Brand Names. Trademarks/brand names indefinite Trademarks Brand Names Indefinite [Member] Trademarks/brand names indefinite. Supplier relationships Supplier Relation Ships [Member] Supplier Relation Ships [Member] All other All Other [Member] All Other [Member] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Weighted Average Life Finite-Lived Intangible Asset, Useful Life Cost Cost Of Definite And Indefinite Lived Intangible Assets Gross Excluding Goodwill Cost Of Definite And Indefinite Lived Intangible Assets Gross Excluding Goodwill. Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Definite And Indefinite Lived Intangible Assets Net Excluding Goodwill Definite And Indefinite Lived Intangible Assets Net Excluding Goodwill. Schedule of Long-term Debt Instruments [Table] 2016 Convertible Senior Notes Two Thousand Sixteen Senior Convertible Notes [Member] Two Thousand Sixteen Senior Convertible Notes [Member] 2012 Senior Convertible Notes Two Thousand Twelve Senior Convertible Notes [Member] 2012 Senior Convertible Notes. Amortization of the discount on the liability component Amortization of Debt Discount (Premium) Cash interest related to the contractual interest coupon Interest Expense, Debt, Excluding Amortization Total Interest Expense, Debt DEBT Debt Disclosure [Text Block]