Document and Entity Information [Abstract] Document Type Document Period End Date Entity Registrant Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Common Stock, Shares Outstanding Entity Shell Company Entity Small Business Entity Emerging Growth Company Title of 12(b) Security Trading Symbol Security Exchange Name Entity File Number Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Document Quarterly Report Document Transition Report Amendment Flag Document Fiscal Year Focus Document Fiscal Period Focus Entity Central Index Key Current Fiscal Year End Date Condensed Consolidated Balance Sheets [Abstract] Statement [Table] Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Common Class A [Member] Common Class A [Member] Common Class B [Member] Common Class B [Member] Statement [Line Items] Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents, and restricted cash at end of period Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash Debt Securities, Available-for-sale, Current Short-term marketable securities Accounts Receivable, Net, Current Accounts receivable, net of allowances of $4,358 and $4,408, respectively Inventory, Net Inventories Total inventories Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Income Taxes Receivable, Current Income taxes receivable Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net of accumulated depreciation of $282,346 and $276,451, respectively Total Available-for-sale Securities, Noncurrent Long-term marketable securities Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill Other Assets, Noncurrent Other assets Deferred Tax Assets, Net, Noncurrent Deferred income taxes Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND EQUITY Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Total accrued expenses Accrued Income Taxes, Current Income taxes payable Business Acquisition Liabilities Current Business Acquisition Liabilities Current Business acquisition liabilities Deferred Revenue, Current Deferred revenue Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization Payable to broker Liabilities, Current Total current liabilities Business Acquisition Liabilities Noncurrent Business Acquisition Liabilities Noncurrent Business acquisition liabilities, net of current portion Deferred Tax Liabilities, Net, Noncurrent Deferred income taxes Other Liabilities, Noncurrent Other liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 15) Stockholders' Equity Attributable to Parent [Abstract] Equity: Common Stock, Value, Issued Common stock Additional Paid in Capital Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income (loss) Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Total equity, end of period Total equity, beginning of period Total equity Liabilities and Equity Total liabilities and equity Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowances Property, Plant and Equipment, Net [Abstract] Property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Accumulated depreciation Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Condensed Consolidated Statements of Operations and Comprehensive Income [Abstract] Revenues Net sales Total net sales Cost of Goods and Services Sold Cost of goods sold Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Selling, General and Administrative Expense Selling, general and administrative Litigation Settlement, Expense Provision for litigation Amortization of Intangible Assets Amortization of intangibles Business Combination, Acquisition Related Costs Acquisition related costs Operating Expenses Total operating expenses Operating Income (Loss) Operating income/(loss) Nonoperating Income (Expense) [Abstract] Other income/(expense), net Interest Income (Expense), Net Interest income/(expense), net Foreign Currency Transaction Gain (Loss), before Tax Foreign currency transaction gain/(loss) Other Nonoperating Income Other income/(expense) Other Nonoperating Income (Expense) Total other income/(expense), net Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income/(loss) before income taxes Income Tax Expense (Benefit) Income tax provision Net Income (Loss) Attributable to Parent Net income/(loss) Net income/(loss) Net income Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income/(loss): Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax Unrealized gain/(loss) on marketable securities, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation gain/(loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total other comprehensive income/(loss) Comprehensive income/(loss) Comprehensive income/(loss) Earnings Per Share [Abstract] Earnings per share: Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Basic Basic Weighted average shares outstanding for basic Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted average shares outstanding for diluted Condensed Consolidated Statements of Equity [Abstract] Shares, Outstanding Shares, Outstanding, Ending Balance Shares, Outstanding, Beginning Balance Stock-based compensation Stock Issued During Period, Contingent RSU Grants, Value Grants of restricted stock units Exercise of stock options (shares) Number of shares exercised Exercise of stock options Stock Repurchased and Retired During Period, Shares Repurchase and retirement of common stock (shares) Stock Repurchased and Retired During Period, Value Repurchase and retirement of common stock Condensed Consolidated Statements of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Investment Income, Net, Amortization of Discount and Premium Amortization of premium (discount) on marketable securities Inventory Write-down Write-down of excess and obsolete inventories Share-based Compensation Stock-based compensation expense Provision for Doubtful Accounts Allowance for doubtful accounts Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Change in fair value of business acquisition liabilities Deferred Income Taxes and Tax Credits Change in deferred income taxes Gain (Loss) on Disposition of Assets (Gain)/loss on disposal of assets, net Increase (Decrease) in Operating Assets [Abstract] (Increase)/decrease in: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Operating Liabilities [Abstract] Increase/(decrease) in: Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other liabilities Increase (Decrease) in Income Taxes Payable Income taxes payable/receivable Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Investments Purchases of marketable securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale Maturities of marketable securities Proceeds from Sale of Available-for-sale Securities Sales of marketable securities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Payment Of Business Acquisition Liabilities Payment Of Business Acquisition Liabilities Payment of business acquisition related liabilities Proceeds from Stock Options Exercised Proceeds from exercise of stock options Payments for Repurchase of Common Stock Repurchase of common stock Net Cash Provided by (Used in) Financing Activities Net cash provided by/used in financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of foreign exchange rates on cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Net increase in cash, cash equivalents, and restricted cash Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow information: Income Taxes Paid Income taxes paid Capital Expenditures Incurred but Not yet Paid Purchases of property and equipment included in accounts payable and accrued expenses BACKGROUND [Abstract] Background Disclosure [Text Block] Background Disclosure [Text Block] Background SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] Basis of Presentation and Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies ASSET ACQUISITIONS AND BUSINESS COMBINATIONS [Abstract] Business Combination Disclosure [Text Block] Asset Acquisitions And Business Combinations NET SALES [Abstract] Revenue from Contract with Customer [Text Block] Net Sales MARKETABLE SECURITIES [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Marketable Securities FAIR VALUE MEASUREMENTS [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements INVENTORIES [Abstract] Inventory Disclosure [Text Block] Inventories PROPERTY AND EQUIPMENT [Abstract] Property, Plant and Equipment Disclosure [Text Block] PROPERTY AND EQUIPMENT GOODWILL AND INTANGIBLE ASSETS [Abstract] Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets ACCRUED EXPENSES [Abstract] Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued Expenses DEBT [Abstract] Debt Disclosure [Text Block] Debt EQUITY [Abstract] Stockholders' Equity Note Disclosure [Text Block] Equity STOCK-BASED COMPENSATION [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation INCOME TAXES [Abstract] Income Tax Disclosure [Text Block] Income Taxes COMMITMENTS AND CONTINGENCIES [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies LEASES [Abstract] Lessee, Operating Leases [Text Block] Leases SEGMENT AND GEOGRAPHIC INFORMATION [Abstract] Segment Reporting Disclosure [Text Block] Segment and Geographic Information Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Consolidation, Policy [Policy Text Block] Principles of Consolidation Use of Estimates, Policy [Policy Text Block] Use of Estimates Revenue from Contract with Customer [Policy Text Block] Revenue Recognition Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash, Cash Equivalents, and Restricted Cash Investment, Policy [Policy Text Block] Marketable Securities Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurements Inventory, Policy [Policy Text Block] Inventories Goodwill and Intangible Assets, Policy [Policy Text Block] Goodwill and Intangible Assets Share-based Payment Arrangement [Policy Text Block] Stock-Based Compensation New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements & Recently Adopted Accounting Pronouncements Disaggregation of Revenue [Table Text Block] Schedule of Net Sales by Product Category Available-for-sale Securities [Table Text Block] Composition of Marketable Securities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Fair Value of Assets and Liabilities Measured on Recurring Basis Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Significant Unobservable Inputs in Valuation Techniques Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block] Rollforward of Contingent Consideration Schedule of Inventory, Current [Table Text Block] Schedule of Inventory Property, Plant and Equipment [Table Text Block] Schedule of Property and Equipment Schedule Of Depreciation Related To Property And Equipment [Table Text Block] Schedule Of Depreciation Related To Property And Equipment [Table Text Block] Schedule of Depreciation Related to Property and Equipment Schedule of Goodwill [Table Text Block] Summary of Goodwill Intangible Assets Acquired As Part Of Business Combination [Table Text Block] Intangible Assets Acquired As Part Of Business Combination [Table Text Block] Summary of Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Accrued Liabilities [Table Text Block] Schedule of Accrued Expenses Schedule of shares repurchased Schedule of Shares Repurchased Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Accumulated Other Comprehensive Income Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Schedule of Computation of Basic and Diluted Earnings Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of Stock Option Activity Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Fair Value of Options Using Black Scholes Option Pricing Model Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Summary of Restricted Stock Unit Activity Stock Option Compensation Expense And Intrinsic Value Schedule [Table Text Block] Stock Option Compensation Expense And Intrinsic Value Schedule [Table Text Block] Stock-based Compensation Schedule Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Reconciliation of Statutory U.S. Federal Tax Rate to Effective Rate Schedule of Supplemental Balance Sheet Information Related to Leases Schedule Of Supplemental Balance Sheet Information Related To Leases [Table Text Block] Schedule of Supplemental Balance Sheet Information Related to Leases Lease, Cost [Table Text Block] Operating Lease Expense Recognized Lessee, Operating Lease, Liability, Maturity [Table Text Block] Future Minimum Lease Payments Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Total Sales by Geographical Area Number of products launched since inception Number Of Products Launched Since Inception Number of products launched Goodwill, Impairment Loss Goodwill impairment Impairment of Intangible Assets, Finite-lived Impairment of finite-lived intangible assets Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Impairment of intangible assets Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Line Items] Number Of Acquisitions Number Of Acquisitions Number of acquisitions Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Business Combination, Performance Obligation Period Business Combination, Performance Obligation Period Business combination, performance obligation period Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Inventory acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Property, plant and equipment acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Intangible assets acquired Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Weighted average useful life Payments to Acquire Businesses, Gross Goodwill, Acquired During Period Business Combination, Consideration Transferred Business combination, consideration transferred Business Combination, Contingent Consideration, Liability Fair value measurement, ending balance Fair value measurement, beginning balance Contingent consideration liability Business acquisition liabilities Payment for Contingent Consideration Liability, Financing Activities Contingent consideration payment Business Acquisitions, Contractual Holdback Obligation Payable Period Business Acquisitions, Contractual Holdback Obligation Payable Period Business Acquisitions, Contractual Holdback Obligation Payable Period Research and Development in Process Acquired in-process research and development Business Combination, Consideration Transferred, Liabilities Incurred Liabilities incurred from acquisition Disaggregation of Revenue [Table] Product and Service [Axis] Products And Services [Domain] Product and Service [Domain] Spine [Member] Spine [Member] Musculoskeletal Solutions [Member] Emerging Technology [Member] Emerging Technology [Member] Enabling Technologies [Member] Disaggregation of Revenue [Line Items] Schedule of Available-for-sale Securities [Table] Investment Type [Axis] Investment Type Categorization [Member] Investments [Domain] Short Term Investments [Member] Short-term Investments [Member] Other Long Term Investments [Member] Long-term Investments [Member] Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Debt Securities, Available-for-sale [Line Items] Available For Sale Securities Contractual Maturity Available For Sale Securities Contractual Maturity Contractual Maturity Due to Correspondent Brokers Payable to brokers Financial Instrument [Axis] Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Financial Instruments [Domain] Short-term debt securities issued by state, city or local governments or the agencies operated by state, city or local governments. Municipal Bonds Short Term [Member] Municipal Bonds [Member] Municipal Bonds [Member] Municipal Bonds [Member] Corporate Debt Securities [Member] Corporate Debt Securities [Member] Commercial Paper [Member] Commercial Paper [Member] Asset Backed Securities [Member] Asset-backed Securities [Member] U S Government Sponsored Enterprises Debt Securities [Member] Government, Federal Agency, And Other Sovereign Obligations [Member] Debt Securities, Available-for-sale, Amortized Cost Amortized Cost Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Gains Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Gross Unrealized Loss Debt Securities, Available-for-sale Fair Value Securities Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash and Cash Equivalents, Fair Value Disclosure Cash equivalents Business Combination, Contingent Consideration, Liability, Measurement Input Business acquisition liabilities, measurement input Projected Year Of Payment Projected Year Of Payment Projected year of payment Business Acquisition Contingent Consideration Milestone Payment Business Acquisition Contingent Consideration Milestone Payment Contingent payments Business Combination, Contractual RSU Grants Business Combination, Contractual RSU Grants Contractual RSU grants Business Combination Contingent Consideration Arrangements Fair Value Change In Fair Value Liability Business Combination Contingent Consideration Arrangements Fair Value Change In Fair Value Liability Changes in fair value of business acquisition liabilities Business Combination, Contractual Payable Reclassification Business Combination, Contractual Payable Reclassification Contractual payable reclassification Inventory, Current [Table] Inventory [Line Items] Net Adjustment to Cost of Sales Related to Excess and Obsolete Inventory Net Adjustment to Cost of Sales Related to Excess and Obsolete Inventory Net adjustment to cost of sales related to excess and obsolete inventory Excess and Obsolete related Provisions Excess and Obsolete related Provisions Excess and obsolete related provisions Inventory Sales and Disposals related Provisions Inventory Sales and Disposals related Provisions Inventory sales and disposals related provisions Inventory, Raw Materials, Gross Raw materials Inventory, Work in Process, Gross Work in process Inventory, Finished Goods, Net of Reserves Finished goods Property, Plant and Equipment [Table] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Gross Property and equipment Property, Plant and Equipment, Useful Life Useful Life Depreciation Goodwill, Other Increase (Decrease) Additions and adjustments Goodwill, Foreign Currency Translation Gain (Loss) Foreign exchange Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Supplier Network [Member] Supplier Network [Member] Supplier Network [Member] Customer Relationships [Member] Customer Relationships & Other Intangibles [Member] Developed Technology Rights [Member] Developed Technology [Member] Patents [Member] Patents [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Asset, Useful Life Weighted average amortization period Finite-Lived Intangible Assets, Gross Gross Carrying Amount Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization Finite-Lived Intangible Assets, Net Intangible Assets, net Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Remaining 2021 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2025 Finite-Lived Intangible Assets, Amortization Expense, after Year Five Thereafter Employee-related Liabilities, Current Compensation and other employee-related costs Accrued Liabilities Legal And Other Settlements And Expenses Accrued Liabilities Legal And Other Settlements And Expenses Legal and other settlements and expenses Sales and Excise Tax Payable, Current Accrued non-income taxes Accrued Royalties, Current Royalties Other Accrued Liabilities, Current Other Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Letter Of Credit [Member] Letter of Credit [Member] Debt Instrument [Line Items] Line of Credit Facility, Maximum Borrowing Capacity Credit facility, maximum borrowing capacity Debt Instrument, Basis Spread on Variable Rate Credit facility, basis spread on variable rate Line of Credit Facility, Expiration Date Line of credit facility, expiration date Long-term Line of Credit Line of credit, borrowed amount Schedule of Stock by Class [Table] Common Class A And B [Member] Common Classa And B [Member] Common Class A And B [Member] Class of Stock [Line Items] Stock Repurchase Program, Authorized Amount Stock repurchase plan, authorized amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Approximate dollar value of shares that may yet be purchased under the plan Stock repurchase plan, remaining authorized amount Number Of Votes Per Share Number Of Votes Per Share Number of votes per share Conversion Of Stock Shares Converted Ratio Conversion Of Stock Shares Converted Ratio Conversion of stock shares converted ratio Stock Repurchased During Period, Shares Total number of shares repurchased Repurchased Stock, Average Cost Per Share Average Price Paid per Share Stock Repurchased During Period, Value Dollar amount of shares repurchased Accumulated Other Comprehensive Income (Loss) [Table] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Accumulated Net Unrealized Investment Gain Loss [Member] Unrealized Gain/(Loss) On Marketable Securities, Net Of Tax [Member] Accumulated Translation Adjustment [Member] Foreign Currency Translation Adjustments [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other comprehensive (loss)/income before reclassifications Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Amounts reclassified from accumulated other comprehensive income, net of tax Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Dilutive stock options Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Anti-dilutive stock options and RSUs excluded from the calculation Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2012 Equity Incentive Plan [Member] Equity Incentive Plan2012 [Member] 2012 Equity Incentive Plan [Member] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Employee Stock Option [Member] Stock Option [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Award vesting period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unrecognized compensation expense, unvested stock options Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Weighted average period of recognition, unvested stock options Number of stock plans Share Based Compensation Number Of Stock Plans Number of stock plans Maximum contractual term Share Based Compensation By Share Based Payment Maximum Contractual Term Maximum contractual term Base number of shares that may be issuable under stock plan Share Based Compensation Arrangement By Share Based Payment Award Base Number Of Shares Issuable Base number of shares that may be issuable under stock plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares available for grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Class A number of shares available for grant under the 2012 Equity Incentive Plan Annual percentage limit for incremental shares that may be issued Share Based Compensation Arrangement By Share Based Payment Award Annual Percentage Increase In Shares Available For Issuance Annual percentage limit for incremental shares that may be issued Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Intrinsic value of stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value per share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of shares outstanding ending balance Number of shares outstanding beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of shares granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of shares forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Number of shares exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Number of shares expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price per share outstanding ending balance Weighted average exercise price per share outstanding beginning balance Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price per share granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average exercise price per share exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted average exercise price per share forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted average exercise price per share exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Weighted average exercise price per share expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual life outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Weighted average remaining contractual life exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual life expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Aggregate intrinsic value exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Aggregate intrinsic value expected to vest Risk Free Interest Rate, Minimum Risk-free interest rate, minimum Risk Free Interest Rate, Maximum Risk-free interest rate, maximum Expected Term Expected term (years) Expected Volatility Rate, Minimum Expected volatility, minimum Expected Volatility Rate, Maximum Expected volatility, maximum Expected volatility Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Outstanding, Ending Balance Outstanding, Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted 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, Ending Balance Weighted average grant date fair value per share, Beginning Balance 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, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Weighted average remaining contractual life (years) Allocated Share-based Compensation Expense Stock-based compensation expense Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount Net stock-based compensation capitalized into inventory Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost Total stock-based compensation cost Effective Income Tax Rate Reconciliation, Percent Effective income tax rate Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Lessee, Operating Lease, Term of Contract Lease term Lease Term That Are Not Recognized As Right Of Use Assets Or Lease Liabilities Lease Term That Are Not Recognized As Right Of Use Assets Or Lease Liabilities Lease term that are not recognized as right of use assets or lease liabilities Operating Lease, Right-of-Use Asset Operating lease right of use asset Operating Lease, Liability, Current Lease liability - current Operating Lease, Liability, Noncurrent Lease liability - long-term Operating Lease, Liability Total operating lease liability Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term (years) - operating leases Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate - operating leases Operating Lease, Expense Operating lease expense Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Remaining 2021 2022 Lessee, Operating Lease, Liability, Payments, Due Year Two 2023 Lessee, Operating Lease, Liability, Payments, Due Year Three 2024 Lessee, Operating Lease, Liability, Payments, Due Year Four 2025 Lessee, Operating Lease, Liability, Payments, Due after Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due Total undiscounted operating lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less : imputed interest Number of Operating Segments Number of operating segments Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] U [S] United States [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect Period Of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect Period Of Adoption Adjustment [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] 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] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income/(Loss) [Member] Retained Earnings [Member] Retained Earnings [Member] Business Acquisition [Axis] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Synoste Acquisition [Member] Synoste Acquisition [Member] Synoste Acquisition [Member] StelkastAcquisitionMember Stelkast Acquisition [Member] StelKast Acquisition [Member] Two Acquisitions [Member] Two Acquisitions [Member] Two Acquisitions [Member] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Third Anniversary [Member] Third Anniversary [Member] Third Anniversary [Member] Fourth Anniversary [Member] Fourth Anniversary [Member] Fourth Anniversary [Member] Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Inputs Level1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value Inputs Level2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value Inputs Level3 [Member] Fair Value, Inputs, Level 3 [Member] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input Comparability Adjustment [Member] Market Risk Adjustment [Member] Measurement Input Discount Rate [Member] Discount Rate [Member] Measurement Input, Probability Of Payment [Member] Measurement Input Probability Of Payment [Member] Probability Of Payment [Member] Weighted Average [Member] Weighted Average [Member] Major Property Class [Axis] Major Property Class [Domain] Major Property Class [Domain] Land [Member] Land [Member] Building And Building Improvements [Member] Building and Improvements [Member] Equipment [Member] Equipment [Member] Instruments [Member] Instruments [Member] Instruments [Member] Modules and cases [Member] Modules And Cases [Member] Modules and cases [Member] Other Property [Member] Other Property and Equipment [Member] Lender Name [Axis] Line Of Credit Facility Lender [Domain] Line of Credit Facility, Lender [Domain] Citizens Bank [Member] Citizens Bank [Member] Citizens Bank [Member] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Federal Funds Effective Swap Rate [Member] Federal Funds Effective Rate [Member] London Interbank Offered Rate L I B O R [Member] LIBOR [Member] Restricted Stock Units R S U [Member] Restricted Stock Units (RSUs) [Member] Non Us [Member] International [Member]