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Property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Other Deferred Tax Assets, Other Total deferred tax assets Deferred Tax Assets, Gross Deferred tax valuation allowance Deferred Tax Assets, Valuation Allowance Earnings Per Share [Abstract] Schedule of Earnings Per Share Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Statement of Comprehensive Income [Abstract] Net income (loss) Net Income (Loss) Attributable to Parent Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent 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] Award Type [Axis] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Service-based stock option awards [Member] Employee Stock Option [Member] Service-based restricted stock and restricted stock unit awards [Member] Service Based Restricted Stock And Restricted Stock Unit Awards [Member] Service-based restricted stock and restricted stock unit awards [Member] Performance-based restricted stock and restricted stock unit awards [Member] Performance Based Restricted Share And Restricted Share Unit [Member] Performance Based Restricted Share And Restricted Share Unit [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Total stock-based compensation expense Allocated Share-based Compensation Expense Statement of Financial Position [Abstract] Preferred Stock, Par or Stated Value Per Share Preferred Stock, Par or Stated Value Per Share Preferred Stock, Shares Authorized Preferred Stock, Shares Authorized Preferred Stock, Shares Issued Preferred Stock, Shares Issued Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common Stock, Shares Authorized Common Stock, Shares, Issued Common Stock, Shares, Issued Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Treasury Stock, Shares Treasury Stock, Shares Investments Investment [Text Block] Stock-Based Incentive Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Accounting 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Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Statement [Line Items] Statement [Line Items] Held-to-maturity short-term investments Maturity Range - Held-to-Maturity Short-Term Investments Maturity Range - Held-to-Maturity Short-Term Investments Accrued Liabilities [Abstract] Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Income Per Share Earnings Per Share [Text Block] Foreign Currency [Abstract] Foreign Currency Transaction Gain (Loss), before Tax Foreign Currency Transaction Gain (Loss), before Tax Other Liabilities, Noncurrent [Abstract] Schedule of Long Term Liabilities Schedule Of Long Term Liabilities [Table Text Block] Schedule Of Long Term Liabilities [Table Text Block] Schedule of Revenues From External Customers By Geographic Area [Table] Schedule of Revenues From External Customers By Geographic Area [Table] Schedule of Revenues From External Customers By Geographic Area Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] United States [Member] UNITED STATES International [Member] International [Member] International [Member] Schedule of Revenues From External Customers By Geographic Area [Line Items] Schedule of Revenues From External Customers By Geographic Area [Line Items] Schedule of Revenues From External Customers By Geographic Area [Line Items] Net sales Revenue, Net ASSETS Assets [Abstract] Current assets Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Short-term investments Accounts receivable, net Inventories Inventory, Net Deferred tax assets current, net Deferred Tax Assets, Net, Current Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Intangible assets, net Finite-Lived Intangible Assets, Net Investments in equity securities Cost Method Investments, Original Cost Deferred tax assets non-current, net Deferred Tax Assets, Net, Noncurrent Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued liabilities Accrued Liabilities, Current Total current liabilities Liabilities, Current Long-term liabilities Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Stockholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $.01 par value per share; 2,500,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Common stock, $.01 par value per share; 50,000,000 shares authorized; 32,140,614 shares issued and 25,973,177 shares outstanding at October 18, 2015 and 32,054,236 shares issued and 25,996,102 shares outstanding at April 24, 2015 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock, 6,167,437 and 6,058,134 common shares at October 18, 2015 and April 24, 2015, respectively, at cost Treasury Stock, Value Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, 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 Accounts Receivable and Allowance for Bad Debt Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Foreign Currency Foreign Currency Disclosure [Text Block] Business Combinations [Abstract] 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] Mergers [Member] Mergers [Member] Mergers [Member] Sorin Merger [Member] Sorin Merger [Member] Sorin Merger [Member] Cyberonics Merger [Member] Cyberonics Merger [Member] Cyberonics Merger [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] LivaNova PLC [Member] LivaNova PLC [Member] LivaNova PLC [Member] Sorin S.p.A. [Member] Sorin S.p.A. [Member] Sorin S.p.A. [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Ordinary shares issued Stock Issued During Period, Shares, New Issues Merger conversion ratio (in shares) Business Combinations, Shares of Counterparty To Be Received, Conversion Ratio Business Combinations, Shares of Counterparty To Be Received, Conversion Ratio Share price (in dollars per share) Share Price Percentage of voting interests acquired Business Acquisition, Percentage of Voting Interests Acquired Employee related liabilities Employee-related Liabilities, Current Taxes payable Accrual for current income taxes, property tax and other current taxes Accrual for current income taxes, property tax and other current taxes Merger Related Expense Accruals Merger Related Expense Accruals Merger Related Expense Accruals Clinical study costs Accrued Clinical Costs Accrued Clinical Costs Other accrued liabilities Other Accrued Liabilities, Current Accrued Liabilities, current, total Schedule of Cost-method Investments [Table] Schedule of Cost-method Investments [Table] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] ImThera Medical Inc [Member] Imthera Medical Inc [Member] ImThera Medical Inc Member Cerbomed GMBH [Member] Cerbomed Gmbh [Member] Cerbomed GMBH [Member] Schedule of Cost-method Investments [Line Items] Schedule of Cost-method Investments [Line Items] Number of privately-held companies invested in Number Of Cost Method Investments Number Of Cost Method Investments Carrying amount - long-term investments Loss from impairment of investment Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Intangible Assets Intangible Assets Disclosure [Text Block] Statement [Table] Statement [Table] Fiscal period duration Fiscal Period Duration Number of operating segments Number of Operating Segments Fiscal year 2016 (remaining 28 weeks) Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year Fiscal year 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Two Fiscal year 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Three Fiscal year 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Four Fiscal year 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Five Fiscal year 2021 (53 week period) Finite-Lived Intangible Assets, Amortization Expense, Year Six Finite-Lived Intangible Assets, Amortization Expense, Year Six Thereafter Finite-Lived Intangible Assets, Amortization Expense, After Year Six Finite-Lived Intangible Assets, Amortization Expense, After Year Six Statement of Cash Flows [Abstract] Cash Flows From Operating Activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Non-cash items included in net income Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Depreciation Amortization of intangible assets Amortization of Intangible Assets Stock-based compensation Share-based Compensation Deferred income tax expense Deferred Income Tax Expense (Benefit) Unrealized loss in foreign currency transactions and other Unrealized Loss (Gain) In Foreign Currency Transactions and Other Unrealized Loss (Gain) In Foreign Currency Transactions and Other Changes in operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Other current and non-current assets Increase (Decrease) in Other Operating Assets Current and non-current liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Cash Flow From Investing Activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Purchase of short-term investments Payments for (Proceeds from) Held-to-maturity Securities, Short-term Maturities of short-term investments Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities Purchase of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Intangible asset purchases Payments to Acquire Intangible Assets Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Cash Flows From Financing Activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Purchase of treasury stock Payments for Repurchase of Common Stock Proceeds from exercise of options for common stock Proceeds from Stock Options Exercised Cash settlement of compensation-based stock units Cash Settlement Of Compensation Plan Share Based Units Cash Settlement Of Compensation Plan Stock Based Units Realized excess tax benefits - stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Net increase 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 end of period Supplementary Disclosures of Cash Flow Information Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Cash paid for income taxes Income Taxes Paid, Net Supplementary Disclosure of a Non-Cash Operating Transaction Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Decrease to APIC related to share-based compensation options cashed-out Decrease to Additional Paid in Capital, Share-based Compensation Cashed-Out Decrease to Additional Paid in Capital, Share-based Compensation Cashed-Out Increase to liabilities related to share-based compensation options cashed-out Liabilities Assumed Stockholders' Equity Note [Abstract] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Treasury Stock [Member] Treasury Stock [Member] Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Accumulated Earnings [Member] Retained Earnings [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance Balance (shares) Stock-based compensation plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Stock-based compensation plans (shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Reclass of stock-based compensation to current liability - related to cashed-out options Adjustment to Additional Paid in Capital, Share-based Compensation, Reclassification to Current Liability Adjustment to Additional Paid in Capital, Share-based Compensation, Reclassification to Current Liability Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Foreign currency translation income (loss) Balance Balance (shares) Schedule Of Long-Lived Assets By Geographic Area [Table] Schedule Of Long-Lived Assets By Geographic Area [Table] Schedule Of Long-Lived Assets By Geographic Area [Table] Schedule Of Long-Lived Assets By Geographic Area [Line Items] Schedule Of Long-Lived Assets By Geographic Area [Line Items] Schedule Of Long-Lived Assets By Geographic Area [Line Items] Property, plant and equipment, net Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Land [Member] Land [Member] Building and building improvements [Member] Building and Building Improvements [Member] Equipment, software furniture and fixtures [Member] Equipment Software Furniture And Fixtures [Member] Equipment, software furniture and fixtures [Member] Leasehold Improvements [Member] Leasehold Improvements [Member] Capital investment in process [Member] Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net, total Lives in years Property, Plant and Equipment, Useful Life Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Contribution Plan Type [Axis] Defined Contribution Plan Type [Axis] Defined Contribution Plan Type [Domain] Defined Contribution Plan Type [Domain] Foreign Pension Plan [Member] Foreign Pension Plan [Member] Belgium [Member] BELGIUM Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Percent of employees' gross pay Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Employer matching contribution (percent) Defined Contribution Plan, Employer Matching Contribution, Percent of Match Defined contribution plan vesting period Defined Contribution Plan, Vesting Period Defined Contribution Plan, Vesting Period Pension expense Defined Contribution Plan, Cost Recognized Base salary compensation eligible for deferral (percent) Deferred Compensation Plan, Base Salary Compensation Eligible For Deferral, Percent Deferred Compensation Plan, Base Salary Compensation Eligible For Deferral, Percent Bonus or performance-based compensation eligible for deferral (percent) Deferred Compensation Plan, Bonus Or Performance-Based Compensation Eligible For Deferral, Percent Deferred Compensation Plan, Bonus Or Performance-Based Compensation Eligible For Deferral, Percent Employee contributions matched (percent) Deferred Compensation Plan, Employee Contributions Matched, Percent Deferred Compensation Plan, Employee Contributions Matched, Percent Maximum matched eligible earnings (percent) Deferred Compensation Plan, Maximum Matched Eligible Earnings Deferred Compensation Plan, Maximum Matched Eligible Earnings Vesting period Deferred Compensation Plan, Vesting Period Deferred Compensation Plan, Vesting Period Company match expense Deferred Compensation Arrangement with Individual, Compensation Expense Matching pension expense Defined Contribution Plan, Employer Discretionary Contribution Amount Schedule of Short-Term Investments Held-to-maturity Securities [Table Text Block] Schedule of Long-Term Investments Schedule of Cost Method Investments [Table Text Block] Raw materials Inventory, Raw Materials, Net of Reserves Work-in process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Inventories Subsequent Event - The Merger with Sorin Subsequent Events [Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] New Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Inventories Schedule of Inventory, Current [Table Text Block] Allocation of Share Based Compensation Costs by Expense Category Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Allocation of Share-Based Compensation Costs by Type of Arrangement Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of Accounts Receivables, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Other Commitments [Table] Other Commitments [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Federal False Claims Act [Member] Federal False Claims Act [Member] Federal False Claims Act [Member] Other Commitments [Axis] Other Commitments [Axis] Other Commitments [Domain] Other Commitments [Domain] Annual Minimum Royalty Payment [Member] Annual Minimum Royalty Payment [Member] Annual Minimum Royalty Payment [Member] Milestone Payment [Member] Milestone Payment [Member] Milestone payment due upon FDA approval of a licensed product Type of Arrangement and Non-arrangement Transactions [Axis] Type of Arrangement and Non-arrangement Transactions [Axis] Arrangements and Non-arrangement Transactions [Domain] Arrangements and Non-arrangement Transactions [Domain] Patent License And Technology Transfer Arrangement [Member] Patent License And Technology Transfer Arrangement [Member] Patent License And Technology Transfer Arrangement [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Imricor Medical Systems - MRI technology [Member] Imricor Medical Systems [Member] Imricor Medical Systems [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Other Commitments [Line Items] Other Commitments [Line Items] False claim statues, number of states Loss Contingency, False Claim Statutes, Number Of States Loss Contingency, False Claim Statutes, Number Of States Other commitment Other Commitment Rent expense Operating Leases, Rent Expense, Net Effective Income Tax Rate Reconciliation, Percent [Abstract] Effective Income Tax Rate Reconciliation, Percent [Abstract] State and local tax provision, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Foreign taxes Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent State research and development tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Non-deductible merger costs, executive compensation and other permanent differences Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Percent Impairment of our investment in Cerbomed Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent Domestic manufacturing deduction Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective tax rate Effective Income Tax Rate Reconciliation, Percent Liability for uncertain tax benefits Liability for Uncertain Tax Positions, Noncurrent Non-qualified deferred compensation plan liability Deferred Compensation Liability, Classified, Noncurrent Other liabilities Other Liabilities, Noncurrent Total other long-term liabilities Income Statement [Abstract] Cost of sales Cost of Goods and Services Sold Gross profit Gross Profit Operating expenses Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Research and development Research and Development Expense Merger related expenses Business Combination, Acquisition Related Costs Total operating expenses Operating Expenses Income (loss) from operations Operating Income (Loss) Interest income (expense), net Investment Income, Net Impairment of investment Other income (expense), net Other Nonoperating Income (Expense) Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax expense (benefit) Income Tax Expense (Benefit) Net income (loss) Basic income (loss) per share (in Dollars per Share) Earnings Per Share, Basic Diluted income (loss) per share (in Dollars per Share) Earnings Per Share, Diluted Shares used in computing basic income (loss) per share (in shares) Weighted Average Number of Shares Outstanding, Basic Shares used in computing diluted income (loss) per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Long-Term Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Noncurrent [Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] ImThera Medical, Inc. [Member] ImThera Medical, Inc. [Member] ImThera Medical, Inc. [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Deferred compensation plan assets Deferred Compensation Plan Assets Estimate of fair value Cost Method Investments, Fair Value Disclosure Deferred compensation liability Basic weighted average shares outstanding (in Shares) Add effects of stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted weighted average shares outstanding (in Shares) Shares authorized for repurchase Stock Repurchase Program, Number of Shares Authorized to be Repurchased Stock Repurchased During Period, Shares Treasury Stock, Shares, Acquired Stock repurchased average cost per share (in usd per share) Treasury Stock Acquired, Average Cost Per Share Income before income taxes: Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest [Abstract] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Provision for current income tax expense: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Current income tax expense Current Income Tax Expense (Benefit) Provision for deferred income tax expense: Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Deferred income tax expense Total provision for income tax expense 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] Income Statement Location [Axis] Income Statement Location [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Income Statement Location [Domain] Cost of goods sold [Member] Cost of Sales [Member] Selling, general and administrative [Member] Selling, General and Administrative Expenses [Member] Research and development [Member] Research and Development Expense [Member] Employee Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Income tax benefit, related to awards, recognized in the consolidated statements of income Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Total expense, net of income tax benefit Allocated Share-based Compensation Expense, Net of Tax Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] 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] Developed Technology Rights [Member] Developed Technology Rights [Member] Other Intangible Assets [Member] Other Intangible Assets [Member] Weighted Average [Member] Weighted Average [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life MR Technology [Member] Magnetic Resonance Technology [Member] Magnetic Resonance Technology [Member] Finite-Lived intangible assets Finite-Lived Intangible Assets, Gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Purchased intangible assets Finite-lived Intangible Assets Acquired Amortization expense