Income Tax Disclosure [Abstract] Income Tax [Table] Income Tax [Table] Income Tax [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Foreign Tax Authority Foreign Tax Authority [Member] State and Local Jurisdiction State and Local Jurisdiction [Member] Income Tax [Line Items] Income Tax [Line Items] Income Tax [Line Items] Change in effective income tax rate during the period Effective Income Tax Rate Reconciliation, Increase (Decrease) During Period, Percent Effective Income Tax Rate Reconciliation, Increase (Decrease) During Period, Percent Income tax benefit for release of tax contingency reserve Uncertain Taxes Change in accrual for uncertain tax positions in connection with ongoing audits. Income tax benefit due to correction of deferred tax item related to 2011 Other Tax Expense (Benefit) Income tax expense for repatriation of foreign earnings Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount Effective foreign income tax rate Effective Foreign Income Tax Rate Reconciliation, Continuing Operations Effective Foreign Income Tax Rate Reconciliation, Continuing Operations Change in effective foreign income tax rate during period Effective Foreign Income Tax Rate Reconciliation, Increase (Decrease) During Period, Percent Effective Foreign Income Tax Rate Reconciliation, Increase (Decrease) During Period, Percent Foreign income tax benefit due to correction of deferred tax items prior to 2011 Effective Foreign Income Tax Rate Reconciliation, Change in Deferred Tax Items Effective Foreign Income Tax Rate Reconciliation, Change in Deferred Tax Items Additional tax expense (benefit) due to corrections in current period related to prior period Deferred Tax Expense (Benefit) Corrections Recorded In Current Period Relating To Prior Periods The amount of deferred tax expense / benefit recorded in the current period that relates to prior periods, and is not material to either period. Undistributed Earnings of Foreign Subsidiaries Undistributed Earnings of Foreign Subsidiaries Operating Loss Carryforwards Operating Loss Carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Operating Loss Carryforwards, Tax Deductions in Excess of Previously Recorded Benefits Based on Option Value at the Time of Grant Operating Loss Carryforwards, Tax Deductions in Excess of Previously Recorded Benefits Based on Option Value at the Time of Grant Operating Loss Carryforwards, Tax Deductions in Excess of Previously Recorded Benefits Based on Option Value at the Time of Grant Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Gross Deferred Tax Assets, Gross Valuation Allowances and Reserves, Period Increase (Decrease) Valuation Allowances and Reserves, Period Increase (Decrease) Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Income Tax Examination, Penalties and Interest Accrued Income Tax Examination, Penalties and Interest Accrued Valuation Allowance, Deferred Tax Asset, Change in Amount Valuation Allowance, Deferred Tax Asset, Change in Amount Audits Settled During Year Audits Settled During Year Years for which the audits have been settled with the taxing authorities Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Amount Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Amount Uncertain Taxes Reclassified Uncertain Taxes Reclassified The amount of taxes that were reclassified from long term liabilities to current taxes payable and deferred taxes as a result of the settlement Estimated Tax Liability on Undistributed Earnings of Foreign Subsidiaries Estimated Tax Liability on Undistributed Earnings of Foreign Subsidiaries Estimated Tax Liability on Undistributed Earnings of Foreign Subsidiaries Current assets: Deferred Tax Assets, Current Classification [Abstract] Deferred Tax Assets, Current Classification [Abstract] Doubtful accounts Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Inventory related items Deferred Tax Assets, Inventory Tax credits Deferred Tax Assets, Tax Credit Carryforwards Accrued vacation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Compensated Absences Accrued bonus Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Bonuses Deferred Tax Asset, Operating Loss Carryforward, Current Deferred Tax Asset, Operating Loss Carryforward, Current Deferred Tax Asset, Operating Loss Carryforward, Current Other Deferred Tax Assets, Other, Current Deferred Tax Assets, Other, Current Total current deferred tax assets Deferred Tax Assets, Gross, Current Less valuation allowance Deferred Tax Assets, Valuation Allowance, Current Current deferred tax assets after valuation allowance Net Deferred Tax Assets, Current, After Valuation Allowance Represents the amount of non current deferred tax assets (after reduction for valuation allowance) as of the balance sheet date, prior to jurisdictional netting. Current liabilities: Deferred Tax Liabilities, Current Classification [Abstract] Deferred Tax Liabilities, Current Classification [Abstract] Other Deferred Tax Liabilities, Other, Current Deferred Tax Liabilities, Other, Current Total current deferred tax liabilities Deferred Tax Liabilities, Net, Current Net current deferred tax assets Deferred Tax Assets, Net, Current Non-current assets: Deferred Tax Assets, Noncurrent Classification [Abstract] Deferred Tax Assets, Noncurrent Classification [Abstract] Benefit and compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Stock compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Deferred revenue Deferred Tax Assets, Deferred Income Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Federal & state tax credits Tax Credit Carryforward, Deferred Tax Asset Other Deferred Tax Assets, Other, Noncurrent Deferred Tax Assets, Other, Noncurrent Total non-current deferred tax assets Deferred Tax Assets, Gross, Noncurrent Less valuation allowance Deferred Tax Assets, Valuation Allowance, Noncurrent Non-current deferred tax assets after valuation allowance Net Deferred Tax Assets, Noncurrent, After Valuation Allowance Represents the amount of non current deferred tax assets (after reduction for valuation allowance) as of the balance sheet date, prior to jurisdictional netting. Non-current liabilities: Deferred Tax Liabilities, Noncurrent Classification [Abstract] Deferred Tax Liabilities, Noncurrent Classification [Abstract] Intangible & fixed assets Deferred Tax Liabilites, Goodwill and Intangible Assets, Intangible and Fixed Assets The cumulative amount of the estimated future tax effects attributable to the difference between the tax basis of 1) intangible assets and 2) fixed assets, and the basis of intangible assets computed in accordance with generally accepted accounting principles. The difference in basis, whether due to amortization or other reasons, will increase future taxable income when such difference reverses. Intangible assets include, but are not limited to, assets such as patents, trademarks and customer lists. Other Deferred Tax Liabilities, Other, Noncurrent Deferred Tax Liabilities, Other, Noncurrent Total non-current deferred tax liabilities Deferred Tax Liabilities, Net, Noncurrent Represents the amount of non current deferred tax liabilities as of the balance sheet date, prior to jurisdictional netting. Net non-current deferred tax assets Deferred Tax Assets, Net, Noncurrent Total net deferred tax assets Deferred Tax Assets, Net Debt Disclosure [Abstract] Components of Interest Expense Components Of Interest Expense Table [Text Block] Components Of Interest Expense [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-Based Compensation, Arrangements by Share-Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Vested and Non vested [Axis] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Vested and Non vested [Axis] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Vested and Non vested [Axis] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Vested and Non vested [Domain] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Vested And Non Vested [Domain] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Vested and Non vested [Domain] Released Released [Member] Released [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Restricted Stock Restricted Stock [Member] Performance Stock and Contract Stock Awards Stock Appreciation Rights (SARs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Shares, Unvested beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Shares, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Shares, Cancellations Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Shares, Released Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Shares, Unvested ending balance, shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted Average Grant Date Fair Value Per Share, Unvested beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Cancellations Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Released Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Unvested ending balance Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 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. Debt Instrument [Line Items] Debt Instrument [Line Items] 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 Amortization of debt discount, capitalized interest Amortization of Debt Discount (Premium), Interest Costs Capitalized Amortization of Debt Discount (Premium), Interest Costs Capitalized Cash interest related to contractual interest coupon, capitalized interest Interest Expense, Debt, Exclusing Amortization, Interest Costs Capitalized Interest Expense, Debt, Exclusing Amortization, Interest Costs Capitalized Leases [Abstract] Schedule Of Minimum Lease Payments for Operating Leases Operating Leases of Lessee Disclosure [Table Text Block] Schedule of Future Minimum Lease Payments for Capital Leases Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] U.S. Instruments U S Instruments [Member] U S Instruments [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of reportable segments Number of Reportable Segments Number of instrument patterns, surgical products, and lighting sold (more than 60,000) Number of Instrument Patterns, Surgical Products, and Lighting Sold Number of Instrument Patterns, Surgical Products, and Lighting Sold Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] 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] 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] Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Pension and Other Postretirement Benefit Expense [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Foreign Pension Plans, Defined Benefit Foreign Pension Plan, Defined Benefit [Member] Defined Benefit Plan by Plan Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Government bonds US Treasury and Government [Member] Cash Cash and Cash Equivalents [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Weighted average allocation of plan assets Defined Benefit Plan, Actual Plan Asset Allocations Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Cost of Goods Sold Cost Of Goods Sold [Member] Cost of Goods Sold [Member]. Interest (expense) Interest Expense [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Foreign Currency Forward Contracts Foreign Currency Forward Contract [Member] Foreign Currency Forward Contract [Member] Interest rate swap Interest Rate Swap [Member] 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 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] Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Recognized net actuarial loss Defined Benefit Plan, Amortization of Gains (Losses) Net period benefit cost Defined Benefit Plan, Net Periodic Benefit Cost Indefinite-lived Intangible Assets [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] Ascension Orthopedics, Inc. Ascension [Member] Ascension [Member] Finite-Lived Intangible Assets, 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] Technology-Based Intangible Assets Technology-Based Intangible Assets [Member] Customer Relationships Customer Relationships [Member] Supplier Relationship Supplier Agreement [Member] Supplier Agreement [Member] Trade Name Trade Names [Member] Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Prepaid expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Other long-term assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets Deferred tax asset - long term Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent 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 Goodwill Goodwill, Gross 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 Net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Weighted average life in years Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Comprehensive Income (Loss) [Abstract] Comprehensive Income (Loss) [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] 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] 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] Balance at December 31, 2012 Accumulated Other Comprehensive Income (Loss), Net of Tax Current period other comprehensive income (loss) 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 Current period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Balance at December 31, 2013 Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Selling, general and administrative Selling General And Administrative [Member] Selling, General And Administrative [Member] Research and development Research and Development Expense [Member] Cost of goods sold Cost of Sales [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Total employee stock-based compensation expense Allocated Share-based Compensation Expense Total tax benefit related to employee stock-based compensation expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Net effect on net income Allocated Share-based Compensation Expense, Net of Tax Selected Quarterly Financial Information [Abstract] SELECTED QUARTERLY INFORMATION - UNAUDITED Quarterly Financial Information [Text Block] Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract] Accelerated Share Repurchases [Table] Accelerated Share Repurchases [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] 2012 Authorization Two Thousand Twelve Authorization [Member] Two Thousand Twelve Authorization [Member] Accelerated Share Repurchases [Line Items] Accelerated Share Repurchases [Line Items] 2012 share repurchase date 2012 Share Repurchase Date The date the 2012 share repurchase program was approved by the Company's Board of Directors 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 Statement of Cash Flows [Abstract] OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) Net Income (Loss) Attributable to Parent Adjustments to reconcile net income 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 Non-cash impairment charges Asset Impairment Charges Deferred income tax provision (benefit) Deferred Income Tax Expense (Benefit) Share-based compensation Share-based Compensation 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 Excess tax benefits from stock-based compensation arrangements Excess Tax Benefit from Share-based Compensation, Operating Activities Other, net Other Noncash Income (Expense) 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] Cash used in business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired 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 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 Proceeds from liability component of convertible notes Proceeds from Convertible Debt Proceeds from equity component of convertible notes Proceeds from Issuance or Sale of Equity Proceeds from sale of stock purchase warrants Proceeds from Issuance of Warrants Purchase of option hedge on convertible notes Payments for Hedge, Financing Activities Proceeds from the issuance of common stock, net of issuance costs Proceeds from Issuance of Common Stock Payment of liability component of convertible notes Repayments of Convertible Debt Debt issuance costs Payments of Debt Issuance Costs Purchases of treasury stock Payments for Repurchase of Common Stock 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 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 increase (decrease) 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 Reduction in projected benefit obligations Defined Benefit Plan, Curtailments Accumulated benefit obligation for the defined benefit plans Defined Benefit Plan, Accumulated Benefit Obligation Anticipated company contributions to defined benefit plans Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year Unrecognized accumulated other comprehensive loss Defined Benefit Plan, Accumulated Other Comprehensive Income Net Gains (Losses), after Tax Total contributions made by the Company Defined Contribution Plan, Cost Recognized Defined Benefit Plan, Schedule Type [Axis] Defined Benefit Plan, Schedule Type [Axis] Defined Benefit Plan, Schedule Type [Axis] Defined Benefit Plan, Schedule Type [Domain] Defined Benefit Plan, Schedule Type [Domain] [Domain] for Defined Benefit Plan, Schedule Type [Axis] Change In Projected Benefit Obligation Change In Projected Benefit Obligation [Member] Change In Projected Benefit Obligation Change In Plan Assets Change In Plan Assets [Member] Change In Plan Assets [Member] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Projected benefit obligation, beginning of year Defined Benefit Plan, Benefit Obligation Interest cost Benefits paid Defined Benefit Plan, Benefits Paid Actuarial loss (gain) Defined Benefit Plan, Actuarial Gain (Loss) Effect of foreign currency exchange rates Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss) Projected benefit obligation, end of year Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Plan assets at fair value, beginning of year Defined Benefit Plan, Fair Value of Plan Assets Actual return on plan assets Defined Benefit Plan, Actual Return on Plan Assets Employer contributions Defined Benefit Plan, Contributions by Employer Effect of foreign currency exchange rates Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets Plan assets at fair value, end of year INCOME TAXES Income Tax Disclosure [Text Block] Selected Quarterly Information Schedule of Quarterly Financial Information [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign currency forwards Foreign Exchange Forward [Member] 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] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Interest (expense) Interest Expense Cost of goods sold Cost of Goods Sold Total before tax Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Tax (expense) or benefit Income Tax Expense (Benefit) Net of tax Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Schedule Of Income Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule Of Provision For Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule Of Deferred Tax Assets And Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Uncertain Tax Benefits Reconciliation Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current Assets: Assets, Current [Abstract] Cash and cash equivalents Trade accounts receivable, net of allowances of $6,194 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) Goodwill 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 Convertible Debt, Noncurrent Deferred tax liabilities Deferred Tax Liabilities, Gross, 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; 41,042 and 36,852 issued at December 31, 2013 and 2012, respectively Common Stock, Value, Issued Additional Paid in Capital, Common Stock Additional Paid in Capital, Common Stock Treasury stock, at cost; 8,903 shares at December 31, 2013 and 2012, respectively Treasury Stock, Value Accumulated other comprehensive income (loss) Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity Liabilities and Equity Valuation and Qualifying Accounts [Abstract] SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Earnings Per Share [Abstract] Basic And Diluted Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Derivative [Table] Derivative [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Derivative [Line Items] Derivative [Line Items] Derivative, Notional Amount Derivative, Notional Amount 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 Reconciliation of Uncertain Tax Benefits [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance, beginning of year Unrecognized Tax Benefits Increase Resulting from Current Year Tax Positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Increase Resulting from Prior Year Tax Positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Decrease Resulting from Prior Year Tax Positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Statute of limitations lapses Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Balance, end of year Goodwill impairment charge Goodwill, Impairment Loss Global ERP implementation costs Global ERP implementation costs The incremental costs incurred related to the implementation of a global enterprise resource planning system. FDA remediation costs FDA remediation costs Costs related to the remediation of the FDA inspection findings. Accounting Policies [Abstract] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Deferred tax accounts in 2011 error Deferred Tax Accounts in 2011 Error [Member] Deferred Tax Accounts in 2011 Error [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Net Sales Revenue, Net [Member] Affected Adjustment Period [Axis] Affected Adjustment Period [Axis] Affected Adjustment Period [Axis] Affected Adjustment Period [Domain] Affected Adjustment Period [Domain] [Domain] for Affected Adjustment Period [Axis] First Three Quarters of 2012 First Three Quarters of 2012 [Member] First Three Quarters of 2012 [Member] Full Year 2011 Full Year 2011 [Member] Full Year 2011 [Member] Last Quarter of 2010 Last Quarter of 2010 [Member] Last Quarter of 2010 [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Out-of-period Adjustment Restatement Adjustment [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Property, Plant and Equipment by Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment Property, Plant and Equipment [Member] Computer Equipment Computer Equipment [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] U.S. Spine U.S. Spine [Member] U.S. Spine Technology Technology [Member] Technology. Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign Countries [Axis] Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] Europe Europe [Member] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Provision (benefit) for income taxes Goodwill Tax Deductible Amount Goodwill Tax Deductible Amount Goodwill Tax Deductible Amount Inventory, Medical Device Tax Inventory, Medical Device Tax Medical Device Tax capitalized into inventory Depreciation expense Depreciation Interest expense capitalized to property, plant, and equipment Interest Costs Capitalized Adjustment Capitalized interest Interest Costs Capitalized Goodwill, gross Impairment charges Impairment of Intangible Assets (Excluding Goodwill) Number of intangible assets no longer in use due to rebranding Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill), Number of Intangible Assets No Longer in Use Due to Rebranding Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill), Number of Intangible Assets No Longer in Use Due to Rebranding Amortization expense Amortization 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 Annual amortization expense expected to approximate in 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Five Amortization expense, incldued in cost of product revenues Cost of Goods Sold, Amortization Charitable contributions Charitable contributions Charitable contributions Distribution and handling costs Shipping, Handling and Transportation Costs Extended warranties, in years Extended warranties, in years Extended warranties, in years Accrued warranty expense Product Warranty Accrual Capitalized research and development costs Indefinite-lived Intangible Assets Acquired Pension contributions Pension Contributions Accounts receivables from certain European countries customers Accounts Receivable, Net Accounts receivable reserved from certain European countries Allowance for Doubtful Accounts Receivable Concentration risk, percentage Concentration Risk, Percentage Interest paid Interest Paid Interest paid, capitalized Interest Paid, Capitalized Income taxes paid Income Taxes Paid Capital expenditures incurred but not yet paid Capital Expenditures Incurred but Not yet Paid Capital Leased Assets, Gross Capital Leased Assets, Gross Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Capital Lease Obligations Capital Lease Obligations LEASES AND RELATED PARTY LEASES Operating Leases of Lessor Disclosure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share, Outstanding at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Shares, Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Shares, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Shares, Forfeited or Expired Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Shares, Outstanding at end of year Shares, Vested or expected to vest at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Shares, Exercisable at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted Average Exercise Price, Outstanding at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price, Granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Forfeited or Expired Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Outstanding at end of year Weighted Average Exercise Price, Vested or expected to vest at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price, Exercisable at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted Average Contractual Term in Years, Outstanding at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted Average Contractual Term in Years, Vested or expected to vest at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Weighted Average Contractual Term in Years, Exercisable at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Aggregate Intrinsic Value, Outstanding at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Vested or expected to vest at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Aggregate Intrinsic Value, Exercisable at end of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Covered Period [Axis] Covered Period [Axis] Covered Period [Axis] Covered Period [Domain] Covered Period [Domain] [Domain] for Covered Period [Axis] Leverage Ratio June 21, 2013 through June 30, 2014 Leverage Ratio June 21, 2013 through June 30, 2014 [Member] Leverage Ratio June 21, 2013 through June 30, 2014 [Member] Leverage 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] Senior Credit Facility Senior Credit Facility [Member] Senior Credit Facility. Senior Credit Facility [Axis] Senior Credit Facility [Axis] Senior Credit Facility [Axis] Senior Credit Facility [Domain] Senior Credit Facility [Domain] Senior 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 June Two Thousand Thirteen Amendment [Member] June Two Thousand Thirteen Amendment [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] 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. Senior credit facility, 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 Maximum consolidated total leverage ratio (net debt to consolidated EBITDA) 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. Capitalized incremental financing costs Deferred Finance Costs, Gross 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 Debt Instrument, Interest Rate, Effective Percentage Debt Instrument, Interest Rate, Effective Percentage Carrying amount of liability 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 Maximum Selling Price Of Companys Common Stock The notes are convertible if the closing price of the Company's stock price exceeds this percentage of the conversion price during a period as defined in the indenture. 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. Cost of call transactions Cost Of Call Transactions The cost of the call transactions entered into in connection with the convertible debt. Proceeds from warrant transactions Proceeds From Warrant Transactions The proceeds received from the warrant transactions entered into in connection with the convertible debt. Bond hedge contract termination, trading day period (in days) Number Of Trading Days Number of Trading Days Bond hedge contract termination, commencement period (in days) Bond Hedge Contract Termination, Commencement Period Bond Hedge Contract Termination, Commencement Period Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Risk free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected life of option from grant date, in years Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock Common Stock [Member] Treasury Stock Treasury Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Member] Retained Earnings Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance Common Stock, shares Shares, Issued Treasury Stock, shares Treasury Stock, Shares Net income Total comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Proceeds from equity component of convertible notes Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Proceeds from sale of stock purchase warrants Adjustments to Additional Paid in Capital, Warrant Issued Purchase of option hedge on convertible notes Purchase of option hedge on convertible notes Purchase of call options for the Company's own stock, in connection with the convertible debt offering. Equity portion of convertible notes issuance costs Equity portion of convertible notes issuance costs The portion of convertible notes issuance costs that are allocated to the equity component of the proceeds. Issuance of common stock through employee benefit plans Stock Issued During Period, Value, Employee Benefit Plan Issuance of common stock through employee benefit plans, shares Stock Issued During Period, Shares, Employee Benefit Plan Share-based compensation Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Share-based compensation, shares Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Repurchse of common stock Treasury Stock, Value, Acquired, Cost Method Repurchase of common stock, shares Treasury Stock, Shares, Acquired Stock Issued During Period, Shares, New Issues Stock Issued During Period, Shares, New Issues Stock Issued During Period, Value, New Issues Stock Issued During Period, Value, New Issues Balance Common Stock, shares Treasury Stock, shares Geographical [Axis] Segment, Geographical [Domain] United States UNITED STATES Rest of World Rest Of World [Member] Revenues from rest of the world. Total revenue, net Sales Revenue, Goods, Net Total long-lived assets Long-Lived Assets Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total current Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total deferred Provision for income taxes Net Periodic Benefit Costs For Defined Benefit Pension Plans Schedule of Costs of Retirement Plans [Table Text Block] Weighted Average Assumptions Schedule of Assumptions Used [Table Text Block] Changes In Projected Benefit Obligation And Fair Value Of Plan Assets Schedule Of Changes In Projected Benefit Obligation And Fair Value Of Plan Assets [Table Text Block] Schedule Of Changes In Projected Benefit Obligation And Fair Value Of Plan Assets [Table Text Block] Schedule Of Reconciliation Of Funded Status Schedule of Net Funded Status [Table Text Block] Schedule Of Weighted Average Allocation Of Plan Assets Schedule Of Weighted Average Allocation Of Plan Assets Schedule Of Weighted Average Allocation Of Plan Assets Schedule Of Pension Plan Assets At Fair Value Schedule of Allocation of Plan Assets [Table Text Block] Schedule Of Expected Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] SEGMENT AND GEOGRAPHIC INFORMATION Segment Reporting Disclosure [Text Block] SeaSpine, Inc. Sea Spine [Member] Sea Spine [Member] Final Purchase Price of Net Assets Acquired Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Business Acquisitions by Acquisition, Contingent Consideration Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block] Pro Forma Financial Information, Summary Of Results Of Operations Business Acquisition, Pro Forma Information [Table Text Block] 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) Funded status, projected benefit obligation in excess of (less than) plan assets Defined Benefit Plan, Funded Status of Plan Unrecognized net actuarial loss Defined Benefit Plan, Unrecognized Net Actuarial Loss Defined Benefit Plan, Unrecognized Net Actuarial Loss Accumulated other comprehensive loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax Amounts recognized Defined Benefit Plan, Amounts Recognized in Balance Sheet Gross margin Gross Profit Basic net income (loss) per common share Income (Loss) from Continuing Operations, Per Basic Share Diluted net income (loss) per common share Income (Loss) from Continuing Operations, Per Diluted Share 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 Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Impact of participating securities on rounding of earning or loss per share (in dollars per share) Impact Of Participating Securities On Rounding Of Earning Or Loss Per Share The participating securities had an insignificant impact on the calculation of EPS. Shares excluded from computation as their effect would be antidilutive Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Additional EPS Shares Additional E P S Shares Additional shares included in the basic and diluted calculation from their date of issuance because no further consideration is due related to the issuance of the underlying common shares 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] Document and Entity Information [Abstract] Document and Entity Information [Abstract] 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 Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding NET INCOME PER SHARE Earnings Per Share [Text Block] Basis Of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Principles Of Consolidation Consolidation, Policy [Policy Text Block] Use Of Estimates Use of Estimates, Policy [Policy Text Block] Reclassifications Reclassifications [Text Block] Cash And Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Trade Accounts Receivable And Allowances For Doubtful Accounts Receivable Trade and Other Accounts Receivable, Policy [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Property, Plant And Equipment Property, Plant and Equipment, Policy [Policy Text Block] Goodwill And Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Integra Foundation Foundation [Policy Text Block] Foundation [Policy Text Block]. Derivatives Derivatives, Policy [Policy Text Block] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Shipping And Handling Fees And Costs Shipping and Handling Cost, Policy [Policy Text Block] Product Warranties Extended Product Warranty, Policy [Policy Text Block] Research And Development Research and Development Expense, Policy [Policy Text Block] Employee Termination Benefits And Other Exit-Related Costs Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block] Stock-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Pension Benefits Pension and Other Postretirement Plans, Policy [Policy Text Block] Concentration Of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss), before tax: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Change in foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Unrealized gain (loss) on derivatives Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax [Abstract] Unrealized derivative gains (losses) arising during period Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Less: Reclassification adjustments for gains (losses) included in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Unrealized gain (loss) on derivatives Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Portion Attributable to Parent Defined benefit pension plan Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, Portion Attributable to Parent [Abstract] Defined benefit pension plan - net gain (loss) arising during period Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax Total other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Income tax (expense) benefit related to items in other comprehensive income Other Comprehensive Income (Loss), Tax Total other comprehensive income (loss), net of tax Comprehensive income (loss), net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Index-linked government bonds Foreign Government Debt Securities [Member] Government bonds Government Bonds [Member] Government Bonds [Member] Manager (Fund) [Axis] Manager (Fund) [Axis] Manager (Fund) [Axis] Manager (Fund) [Domain] Manager Fund [Domain] Manager (Fund) [Domain] Bank account Bank Account [Member] Bank Account [Member] Legal & General Index-Linked Gilts Index (various tenders) Legal General Over15 Year Index Linked Gilts Index C [Member] Ballie Gifford-Investment Grade-Long Bond Fund [Member] Legal & General Over 15 Year Gilts Index Legal And General Over Fifteen Year Gilts Index [Member] Legal And General Over Fifteen Year Gilts Index [Member] Defined Benefit Plan, Fair Value of Plan Assets by Measurement [Axis] Fair Value, Hierarchy [Axis] Fair Value Plan Asset Measurement [Domain] Fair Value Hierarchy [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined benefit plan, fair value of plan assets United States operations Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign operations Income (Loss) from Continuing Operations before Income Taxes, Foreign Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] 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 Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Allowance For Doubtful Accounts And Sales Returns And Allowances Allowance for Doubtful Accounts [Member] Deferred Tax Asset Valuation Allowance Valuation Allowance of Deferred Tax Assets [Member] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Balance at Beginning of Period Valuation Allowances and Reserves, Balance Charged to Costs and Expenses Valuation Allowances and Reserves, Charged to Cost and Expense Charged to Other Accounts Valuation Allowances and Reserves, Charged to Other Accounts Deductions Valuation Allowances and Reserves, Deductions Balance at End of Period Valuation allowance adjustment Valuation Allowances and Reserves, Adjustments Acquired Finite Lived Intangible Assets By Major Class [Axis] Deferred tax liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent 2014 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 2015 Defined Benefit Plan, Expected Future Benefit Payments, Year Two 2016 Defined Benefit Plan, Expected Future Benefit Payments, Year Three 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Four 2018 Defined Benefit Plan, Expected Future Benefit Payments, Year Five 2019-2023 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] U.S. Neurosurgery Neurosurgery Us [Member] Neurosurgery-US [Member] U.S. Instruments Instruments Us [Member] Instruments-US [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] Goodwill And Other Intangible Assets [Line Items] Goodwill And Other Intangible Assets [Line Items] Goodwill And Other Intangible Assets [Line Items] Goodwill, December 31, 2011 Goodwill acquired during the period Goodwill, Acquired During Period Goodwill impairment charge Foreign currency translation Goodwill, Translation Adjustments Goodwill, December 31, 2012 Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] Related Parties Related Parties [Member] Related Parties [Member] Third Parties Third Parties [Member] Third Parties [Member] Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] 2014 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2015 Operating Leases, Future Minimum Payments, Due in Two Years 2016 Operating Leases, Future Minimum Payments, Due in Three Years 2017 Operating Leases, Future Minimum Payments, Due in Four Years 2018 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total minimum lease payments Operating Leases, Future Minimum Payments Due ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss) Note [Text Block] Finished goods Inventory, Finished Goods, Gross Work-in process Inventory, Work in Process, Gross Raw materials Inventory, Raw Materials, Gross Inventories, net 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 Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Building and Building Improvements Building and Building Improvements [Member] Leasehold Improvements Leasehold Improvements [Member] Machinery and Equipment Machinery and Equipment [Member] Furniture and Fixtures Furniture and Fixtures [Member] Information Systems and Hardware Information Systems and Hardware [Member] Information Systems and Hardware [Member] Surgical Instrument kits Surgical Instrument Kits [Member] Surgical Instrument Kits [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Land Land Buildings and building improvements Investment Building and Building Improvements Leasehold improvements Leasehold Improvements, Gross Machinery and production equipment Machinery and Equipment, Gross Surgical instrument kits Surgical Instrument Kits, Gross Surgical Instrument Kits, Gross Information systems and hardware Information System and Hardware Information System and Hardware Furniture, fixtures, and office equipment Furniture and Fixtures, Gross Construction-in-progress Construction in Progress, Gross Total Property, Plant and Equipment, Gross Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life Organization, Consolidation and Presentation of Financial Statements [Abstract] Business Business Description and Basis of Presentation [Text Block] Subsequent Events [Abstract] SUBSEQUENT EVENTS Subsequent Events [Text Block] 2014 Capital Leases, Future Minimum Payments Due, Next Twelve Months 2015 Capital Leases, Future Minimum Payments Due in Two Years 2016 Capital Leases, Future Minimum Payments Due in Three Years Total minimum lease payments Capital Leases, Future Minimum Payments Due Amount representing interest Capital Leases, Future Minimum Payments, Interest Included in Payments Present value of minimum lease payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Increase (decrease) in income taxes resulting from: Effective Income Tax Rate Reconciliation, Percent [Abstract] State income taxes, net of federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Foreign operations Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Goodwill impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent Changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Uncertain tax positions Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Percent Research and development credit Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Return to provision Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective tax rate Effective Income Tax Rate Reconciliation, Percent Schedule Of Inventories, Net Schedule of Inventory, Current [Table Text Block] Schedule Of Property, Plant And Equipment Balances And Corresponding Lives Property, Plant and Equipment [Table Text Block] 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] Subsidiary, Sale of Stock [Axis] Subsidiary, Sale of Stock [Axis] Sale of Stock, Name of Transaction [Domain] Sale of Stock, Name of Transaction [Domain] Employee Stock Purchase Plan Employee Stock [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2000 and 2001 Plan Two Thousand And Two Thousand One Plan [Member] Two thousand and two thousand one Plan [Member] 2003 Plan Two Thousand Three Plan [Member] Two thousand three Plan [Member] Stock Options Employee Stock Option [Member] Restricted Stock, Performance Stock and Contract Stock Restricted Stock Performance Stock And Contract Stock [Member] Restricted stock, performance stock and contract stock member Deferred Stock Units (SUs) Deferred Stock Units (SUs) [Member] Deferred Stock Units (SUs) [Member] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Share Based Compensation Arrangement With Individual [Axis] Share Based Compensation Arrangement With Individual [Axis] Share Based Compensation Arrangement With Individual [Axis] Share Based Compensation Arrangement With Individual [Domain] Share Based Compensation Arrangement With Individual [Domain] Share Based Compensation Arrangement With Individual [Domain] Executive Chairman Board of Directors Chairman [Member] Chief Executive Officer Chief Executive Officer [Member] Deferred Bonus and Profit Sharing Plan by Title of Individual [Axis] Title of Individual [Axis] Title of Individual with Relationship to Entity [Domain] Relationship to Entity [Domain] Non Former Chief Executive Officer Non Former Chief Executive Officer [Member] Non former chief executive officer member Current Chief Executive Officer Current Chief Executive Officer [Member] Current chief executive officer member Common stock reserved for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Shares available for purchase (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Shares issued (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period ESPP proceeds received Employee Stock Purchase Plan Proceeds Proceeds received from employees in connection with the employee stock purchase plan. Discount percentage available to participants Discount Available To Participants Reduced To, Percent The present discount rate available to participants. Number of stock-based compensation plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans Increase in authorized shares (in shares) Increase In Authorized Shares The increase in the number of authorized shares under the Plan. Stock options exercisable for officers, directors and employees, vesting period, in years Share Based Compensation Arrangement By Share Based Payment Award Vesting Period Employees Share Based Compensation Arrangement By Share Based Payment Award Vesting Period Employees Stock options exercisable for employees, expiration period, in years Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Employees Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Employees 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 Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Intrinsic value of options exercised in period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Weighted average grant date fair value of options granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Cash received from option exercises Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options Requisite service periods of performance stock, restricted stock and contract stock awards, in years Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period Total unrecognized compensation costs related to unvested awards 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 Share-based compensation expense recognized Fair value of shares vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Distribution of common stock to individual (in shares) Non issued vested restricted stock units (in shares) Non Issued Vested Restricted Stock Units The number of vested Restricted Units that are held by various employees where the shares have not been released RETIREMENT BENEFIT PLANS Pension and Other Postretirement Benefits Disclosure [Text Block] Income Statement [Abstract] Costs and Expenses: Costs and Expenses [Abstract] Research and development Research and Development Expense Selling, general and administrative Selling, General and Administrative Expense Intangible asset amortization Amortization of Intangible Assets Total costs and expenses Costs and Expenses Operating income (loss) Operating Income (Loss) Interest income Investment Income, Interest Interest expense Other income (expense), net Other Nonoperating Income (Expense) Net income (loss) Weighted average common shares outstanding (See Note 11): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Total Revenue Business Acquisition, Pro Forma Revenue Net income Business Acquisition, Pro Forma Net Income (Loss) Net income per share Basic (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Diluted (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Schedule Of Companys Identifiable Intangible Assets [Table] Schedule Of Companys Identifiable Intangible Assets [Table] Companys Identifiable Intangible Assets. Completed Technology Completed Technology [Member] Completed technology. Customer Relationship Customer Lists [Member] Trademarks Brand Names Trademarks Brand Names [Member] Trademarks Brand Names. Supplier Relationships Supplier Relationships Identifiable Intangible Assets [Member] Supplier Relationships - Identifiable Intangible Assets [Member] All Other Other Intangible Assets [Member] Trademarks/Brand Names Indefinite Trademarks Brand Names Indefinite [Member] Trademarks/brand names indefinite. Weighted Average Life, Years Finite-Lived Intangible Asset, Useful Life Finite-lived intangible assets, Cost Finite-Lived Intangible Assets, Gross Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Finite-lived intangible assets, Net Finite-Lived Intangible Assets, Net Finite and indefinite-lived intangible asests, Cost Intangible Assets, Gross (Excluding Goodwill) Finite and indefinite-lived assets, Net Other Indefinite-lived Intangible Assets Other Indefinite-lived Intangible Assets Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] U.S. Neurosurgery U S Neurosurgery [Member] U S Neurosurgery [Member] Segment Net Sales Segment Profit Segment Profit Loss Segment Profit (Loss) Amortization Corporate and other Other General Expense Derivative Instruments and Hedging Activities Disclosure [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities [Member] Accrued expenses and other current liabilities. Other liabilities Other Liabilities [Member] Derivative Instruments and Hedging Activities Disclosure [Line Items] Derivative Instruments And Hedging Activities Disclosure [Line Items] Derivative Instruments and Hedging Activities Disclosure [Line Items] Derivative fair value of derivative liability Derivative Liability, Fair Value, Gross Liability 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. DERIVATIVE INSTRUMENTS Derivative Instruments and Hedging Activities Disclosure [Text Block] Summary Of Employee Stock-Based Compensation Expense Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Summary Of Weighted-Average Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summary Of Stock Option Activity Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary Of Vested And Unvested RSU Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Cash Consideration Two Cash Consideration Two [Member] Cash Consideration Two Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Covidien Covidien [Member] Covidien Subsequent Event [Line Items] Subsequent Event [Line Items] Consideration Transferred Business Combination, Consideration Transferred Prepayment for Transitional Supply Agreement Increase (Decrease) in Prepaid Supplies Contingent Consideration Arrangements, Maximum Payout Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High ACQUISITIONS AND PRO FORMA RESULTS Business Combination Disclosure [Text Block] Five-Year Option Lease From November 1, 2032 Through October 31, 2037 Five Year Option Lease From November12032 Through October312037 [Member] Five-Year Option Lease From November 1, 2032 Through October 31, 2037 member Five-Year Option Lease From November 1, 2037 Through October 31, 2042 Five Year Option Lease From November12037 Through October312042 [Member] Five-Year Option Lease From November 1, 2037 Through October 31, 2042 [Member] Related Party Transactions, by Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Related Party Related Party [Member] Related Party [Member] Total rental expense Operating Leases, Rent Expense, Net Term of lease Term Of Lease Term of lease. Option to renew lease Option To Renew Lease Option to renew lease. Payment per year to related party lessor Payment Per Year To Related Party Lessor Payment per year to related party lessor. Percent of manufacturing facility owned by corporation whose shareholders are trusts whose beneficiaries include family members of company's former chairman Percent Of Manufacturing Facility Owned By Corporation Whose Shareholders Are Trusts, Whose Beneficiaries Include Family Members Of Company's Former Chairman Percent of manufacturing facility owned by corporation whose shareholders are trusts, whose beneficiaries include family members of Company's former Chairman, who is a current director. Annual rate of lease agreement Annual Rate Of Lease Agreement Annual rate of lease agreement. Option to extend lease, years Option To Extend Lease, Years Option to extend lease, years. Period for extended lease Period For Extended Lease Period for extended lease. SeaSpine Inc. Acquisition Non-Compete Agreements Noncompete Agreements [Member] Inventory Accounts receivable Property, plant and equipment Goodwill Accounts payable and other current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Net assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Fair Value Inputs, Discount Rate Fair Value Inputs, Discount Rate Net assets acquired Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Net of Cash Acquired Business acquisition, amount paid for working capital adjustments Business Acquisition Working Capital Adjustments Business Acquisition Working Capital Adjustments Business acquisition, amount received from escrow Business Acquisition, Preacquisition Contingency, Amount of Settlement Business acquisition, indemnification holdback Business Acquisition Cost Of Acquired Entity Indemnification Holdbacks Business Acquisition, Cost of Acquired Entity, Indemnification Holdbacks Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low DEBT Debt Disclosure [Text Block] STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] TREASURY STOCK Treasury Stock [Text Block] Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Expected return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase