Business Combinations [Abstract] BUSINESS COMBINATIONS Business Combination Disclosure [Text Block] Fair Value Disclosures [Abstract] Summary of Investments [Table Text Block] Schedule of Amortized Costs, Unrealized Gains and Losses, and Fair Value of Available For Sale Securities [Table Text Block] Schedule of Amortized Costs, Unrealized Gains and Losses, and Fair Value of Available For Sale Securities [Table Text Block] Schedule of Unrealized Loss on Investments [Table Text Block] Schedule of Unrealized Loss on Investments [Table Text Block] Investments Classified by Contractual Maturity Date [Table Text Block] Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block] Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block] Schedule of Fair Value of Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Accounting Policies [Abstract] Basis of Presentation and Preparation Presentation and Preparation of Consolidated Financial Statements [Policy Text Block] Presentation and Preparation of Consolidated Financial Statements [Policy Text Block] Stock-Based Compensation Expense Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Reclassification Reclassification, Policy [Policy Text Block] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Earnings Per Share [Abstract] NET INCOME PER SHARE Earnings Per Share [Text Block] Other Comprehensive Income (Loss), Net of Tax [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill Goodwill SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Corporate debt securities [Member] Corporate Debt Securities [Member] Commercial paper [Member] Commercial Paper, Not Included with Cash and Cash Equivalents [Member] Municipal bonds [Member] US States and Political Subdivisions Debt Securities [Member] Municipal bonds [Member] Municipal Bonds [Member] Certificates of deposit and term deposits [Member] Certificates of Deposit [Member] U.S. government and agency securities [Member] US Treasury and Government [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Amortized Cost Available-for-sale Debt Securities, Amortized Cost Basis Unrealized Gains Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax Unrealized Losses Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. Total Available-for-sale Securities, Debt Securities Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] Less Than 12 Months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less Than 12 Months, Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. 12 Months or Greater, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 12 Months or Greater, Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. Total, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Total, Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Due within one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due within one to three years Available-for-sale Securities, Debt Maturities, after One Year, Fair Value This item represents the fair value of debt securities which are expected to mature after one year from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Estimate of Fair Value [Member] Estimate of Fair Value Measurement [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] 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] Movement in Contingent Consideration Liability [Roll Forward] Movement in Contingent Consideration Liability [Roll Forward] Movement in Contingent Consideration Liability [Roll Forward] Contingent consideration liability, beginning Business Combination, Contingent Consideration, Liability Less change in fair value of contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Contingent consideration liability, ending Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Exclusive Networks Group [Member] Exclusive Networks Group [Member] Exclusive Networks Group [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue [Member] Sales Revenue [Member] Sales Revenue [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Statement, Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] Americas [Member] Americas [Member] United States UNITED STATES Canada [Member] Canada [Member] Canada [Member] Other Americas [Member] Other Americas [Member] Other Americas [Member] EMEA [Member] Europe, Middle East and Africa [Member] Europe, Middle East and Africa [Member] APAC [Member] Asia Pacific and Japan [Member] Asia Pacific and Japan [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenue Revenue, Net Largest customer, percentage Concentration Risk, Percentage Property and equipment - net Property, Plant and Equipment, Net Income Tax Disclosure [Abstract] Effective tax rate, percent Effective Income Tax Rate Reconciliation, Percent Unrecognized tax benefits Unrecognized Tax Benefits Unrecognized tax benefits that would favorably impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Deferred Revenue Disclosure [Abstract] DEFERRED REVENUE Deferred Revenue Disclosure [Text Block] Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization 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] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options [Member] Employee Stock Option [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, Fair Value Assumptions and Methodology [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Expected term in years Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Dividend rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 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] Balance - Beginning (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Balance - Ending (in shares) 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] Balance - Beginning (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Balance - Ending (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Options vested and expected to vest, Outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Options vested and expected to vest, Weighted average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Options vested and expected to vest, Weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Options vested and expected to vest, Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Options exercisable, Outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Options exercisable, Weighted average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options exercisable, Weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Options exercisable, Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Compensation cost not yet recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Compensation cost not yet recognized period of recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Weighted-average fair value per share granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Total fair value of awards vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] 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 [Member] In Process Research and Development [Member] 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 [Member] Developed Technology Rights [Member] Customer Relationships [Member] Customer Relationships [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Coyote Point Systems, Inc. [Member] Coyote Point Systems, Inc. [Member] Coyote Point Systems, Inc. [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Cash paid to acquire business Payments to Acquire Businesses, Gross Contingent consideration Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Finite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Indefinite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Total purchase price Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Useful life of finite-lived intangible assets Finite-Lived Intangible Asset, Useful Life Estimated remaining useful life of intangible assets Finite-Lived Intangible Asset, Estimated Remaining Useful Life Finite-Lived Intangible Asset, Estimated Remaining Useful Life GOODWILL AND OTHER INTANGIBLE ASSETS - NET Intangible Assets Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] ACCUMULATED OTHER COMPREHENSIVE INCOME Comprehensive Income (Loss) Note [Text Block] PROPERTY AND EQUIPMENT—Net Property, Plant and Equipment Disclosure [Text Block] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of Product Revenue [Member] Cost of Sales [Member] Nonrecurring [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Impairment of intangible assets Impairment of Intangible Assets (Excluding Goodwill) Intangible assets, fair value Finite-lived Intangible Assets, Fair Value Disclosure Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] ESPP [Member] Employee Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Compensation Plan [Member] Stock Compensation Plan [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Anti-dilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Inventory Disclosure [Abstract] Inventory, Net [Abstract] Raw materials Inventory, Raw Materials, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Consignment inventory Consigned Inventory Consigned Inventory Inventory Inventory, Net Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Statement, Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Allowance for doubtful accounts and sales returns Allowance For Doubtful Accounts Receivable and Sales Returns Allowance For Doubtful Accounts Receivable and Sales Returns Common Stock, par value 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 INVENTORY Inventory Disclosure [Text Block] Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Weighted-average fair value per share granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Shares issued under the ESPP (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Weighted-average price per share issued (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Issued, Weighted Average Price per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Issued, Weighted Average Price per Share FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS Financial Instruments Disclosure [Text Block] Employee Benefit Plan [Abstract] 11. Employee Benefit Plan [Abstract] EMPLOYEE BENEFIT PLANS Compensation and Employee Benefit Plans [Text Block] DEI [Abstract] DEI [Abstract] Document Information [Table] Document Information [Table] Document Information, Document [Axis] Document Information, Document [Axis] Document [Domain] Document [Domain] Document Information [Line Items] Document Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income 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 Amortization of investment premiums Accretion (Amortization) of Discounts and Premiums, Investments Stock-based compensation Share-based Compensation Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Other non-cash items—net Other Noncash Income (Expense) Changes in operating assets and liabilities: Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract] Accounts receivable—Net Increase (Decrease) in Accounts Receivable Inventory Increase (Decrease) in Inventories Deferred tax assets Increase (Decrease) in Deferred Income Taxes Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Other liabilities Increase (Decrease) in Other Noncurrent Liabilities Accrued payroll and compensation Increase (Decrease) in Employee Related Liabilities Deferred revenue Increase (Decrease) in Deferred Revenue Income taxes payable Increase (Decrease) in Income Taxes Payable Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchase of investments Payments to Acquire Investments Sales of investments Proceeds from Sale of Available-for-sale Securities Maturities of investments Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Purchase of property and equipment Payments to Acquire Productive Assets Payments made in connection with acquisitions—net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Taxes paid related to net share settlement of equity awards Payments Related to Tax Withholding for Share-based Compensation Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Repurchase and retirement of common stock Payments for Repurchase of Common Stock Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS Effect of Exchange Rate on Cash and Cash Equivalents NET INCREASE IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) CASH AND CASH EQUIVALENTS—Beginning of period Cash and Cash Equivalents, at Carrying Value CASH AND CASH EQUIVALENTS—End of period SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Cash paid for income taxes—net Income Taxes Paid, Net NON-CASH INVESTING AND FINANCING ACTIVITIES: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Liability for purchase of property and equipment and asset retirement obligations Liability for Purchase of Property and Equipment and Asset Retirement Obligations Liability for Purchase of Property and Equipment and Asset Retirement Obligations Liability incurred for repurchase of common stock Liability Incurred for Repurchase of Common Stock Liability Incurred for Repurchase of Common Stock Derivative Instruments and Hedging Activities Disclosure [Abstract] Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] INCOME TAXES Income Tax Disclosure [Text Block] Schedule of Finite-Lived Intangible Assets by Major Class [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Intangible assets, carrying value Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Gross Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Total Finite-Lived Intangible Assets, Net Amortization expense Amortization of Intangible Assets Fiscal Years: Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2014 (remainder) Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Schedule of Earnings Per Share [Table] Schedule of Earnings Per Share [Table] Earnings Per Share [Line Items] Earnings Per Share [Line Items] Earnings Per Share [Line Items] Basic shares: Weighted Average Number of Shares Outstanding, Basic [Abstract] Weighted-average common shares outstanding-basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted shares: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Effect of potentially dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Employee stock options and purchase rights (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted-average shares used to compute diluted net income per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Foreign Currency Translation Gains and Losses [Member] Accumulated Translation Adjustment [Member] Unrealized Gains and Losses on Investments [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income [Roll Forward] Accumulated Other Comprehensive Income [Roll Forward] Accumulated Other Comprehensive Income [Roll Forward] Beginning balance Accumulated Other Comprehensive Income (Loss), before Tax Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Reclassifications, before Tax Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Net current-period other comprehensive income Other Comprehensive Income (Loss), before Tax Ending balance Accumulated Other Comprehensive Income, Tax [Roll Forward] Accumulated Other Comprehensive Income, Tax [Roll Forward] Accumulated Other Comprehensive Income, Tax [Roll Forward] Beginning balance, tax Accumulated Other Comprehensive Income Loss Tax Accumulated Other Comprehensive Income Loss Tax Other comprehensive income before reclassifications, tax Other Comprehensive Income (Loss) before Reclassifications, Tax Other Comprehensive Income (Loss) before Reclassifications, Tax Amounts reclassified from accumulated other comprehensive income, tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax Net current-period other comprehensive income, tax Other Comprehensive Income (Loss), Tax Ending balance, tax Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Income Approach Valuation Technique [Member] Income Approach Valuation Technique [Member] Reported as [Member] Reported Value Measurement [Member] Money market funds [Member] Money Market Funds, Excluding Commercial Paper [Member] Money Market Funds, Excluding Commercial Paper [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Cash equivalents [Member] Cash Equivalents, Line Item [Member] Cash Equivalents, Line Item [Member] Short-term investments [Member] Short Term Investments, Line Item [Member] Short Term Investments, Line Item [Member] Long-term investments [Member] Long Term Investments, Line Item [Member] Long Term Investments, Line Item [Member] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Available-for-sale securities, Fair Value Disclosure Available-for-sale Securities Financial Assets, Fair Value Disclosure Assets, Fair Value Disclosure Contingent consideration Financial Liabilities, Fair Value Disclosure Financial Liabilities Fair Value Disclosure Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Member] 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] Other (expense) income—net Other Nonoperating Income (Expense) Provision for income taxes Income Tax Expense (Benefit) NET INCOME Matching contribution on employee contributions, Percent Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Maximum contibution percentage of each employee's eligible earnings, Percent Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Matching contributions to the RRSP and 401(k) Plans Defined Contribution Plan, Employer Matching Contribution, Amount Defined Contribution Plan, Employer Matching Contribution, Amount 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 [Domain] Cost of product revenue [Member] Cost of Goods Sold [Member] Cost of Goods Sold [Member] Cost of services and other revenue [Member] Cost of Services [Member] Cost of Services [Member] Research and development [Member] Research and Development Expense [Member] Selling and marketing [Member] Selling and Marketing Expense [Member] General and administrative [Member] General and Administrative Expense [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 stock-based compensation expense Allocated Share-based Compensation Expense Income tax benefit from employee stock option plans Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options ASSETS Assets [Abstract] CURRENT ASSETS: Assets, Current [Abstract] Cash and cash equivalents Short-term investments Short-term Investments Accounts receivable—Net of allowance for doubtful accounts and sales returns of $5,005 and $4,605 as of June 30, 2014 and December 31, 2013, respectively Accounts Receivable, Net, Current Inventory 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 AND EQUIPMENT—Net DEFERRED TAX ASSETS Deferred Tax Assets, Net of Valuation Allowance, Noncurrent LONG-TERM INVESTMENTS Long-term Investments GOODWILL OTHER INTANGIBLE ASSETS—Net Intangible Assets, Net (Excluding Goodwill) 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 Accrued payroll and compensation Employee-related Liabilities, Current Income taxes payable Accrued Income Taxes, Current Deferred revenue Deferred Revenue, Current Total current liabilities Liabilities, Current DEFERRED REVENUE Deferred Revenue, Noncurrent INCOME TAXES PAYABLE Accrued Income Taxes, Noncurrent OTHER LIABILITIES Other Liabilities, Noncurrent Total liabilities Liabilities COMMITMENTS AND CONTINGENCIES (Note 9) Commitments and Contingencies STOCKHOLDERS' EQUITY: Stockholders' Equity Attributable to Parent [Abstract] Common stock, $0.001 par value — 300,000 shares authorized; 163,568 and 161,535 shares issued and outstanding as of June 30, 2014 and December 31, 2013, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders’ equity Stockholders' Equity Attributable to Parent TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity Revenue from External Customers by Geographic Areas [Table Text Block] Revenue from External Customers by Geographic Areas [Table Text Block] Long-lived Assets by Geographic Areas [Table Text Block] Long-lived Assets by Geographic Areas [Table Text Block] Operating lease commitments Operating Leases, Future Minimum Payments Due Rent expense Operating Leases, Rent Expense, Net Open purchase orders and other contractual obligations Purchase Obligation Other contract commitments Other Commitment Consolidated Statements of Comprehensive Income [Abstract] Consolidated Statements of Comprehensive Income [Abstract] Other comprehensive income (loss)—net of taxes: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Foreign currency translation gains (losses) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Unrealized losses on investments Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Tax benefit related to items of other comprehensive income or loss Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Other comprehensive income (loss)—net of taxes Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Schedule of Product Warranty Liability [Table Text Block] Schedule of Product Warranty Liability [Table Text Block] Notional amount of forward exchange contracts Derivative, Notional Amount Inventory [Table Text Block] Schedule of Inventory, Current [Table Text Block] Deferred Revenue, by Arrangement, Disclosure [Table Text Block] Deferred Revenue, by Arrangement, Disclosure [Table Text Block] Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement, by Type [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Product [Member] Product [Member] Services and other [Member] Services [Member] Services [Member] Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Current Non-current Total deferred revenue Deferred Revenue Operating Lease Commitments: Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating lease commitments, 2014 (remainder) Operating Leases, Future Minimum Payments, Remainder of Fiscal Year Operating lease commitments, 2015 Operating Leases, Future Minimum Payments, Due in Two Years Operating lease commitments, 2016 Operating Leases, Future Minimum Payments, Due in Three Years Operating lease commitments, 2017 Operating Leases, Future Minimum Payments, Due in Four Years Operating lease commitments, 2018 Operating Leases, Future Minimum Payments, Due in Five Years Operating lease commitments, Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Operating lease commitments Sublease Commitments: Sublease Commitments [Abstract] Sublease Commitments [Abstract] Sublease rental income, 2014 (remainder) Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Remainder of Fiscal Year Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Remainder of Fiscal Year Sublease rental income, 2015 Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Two Years Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Two Years Sublease rental income, 2016 Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Three Years Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Three Years Sublease rental income, 2017 Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Four Years Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Four Years Sublease rental income, 2018 Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Five Years Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Five Years Sublease rental income, Thereafter Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due after Five Years Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due after Five Years Sublease rental income Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals Operating commitments, net: Operating Commitments, Net [Abstract] Operating Commitments, Net [Abstract] Operating commitments, net, 2014 (remainder) Operating Leases, Net, Future Minimum Payments Due, Remainder of Fiscal Year Operating Leases, Net, Future Minimum Payments Due, Remainder of Fiscal Year Operating commitments, net, 2015 Operating Leases, Net, Future Minimum Payments, Due in Two Years Operating Leases, Net, Future Minimum Payments, Due in Two Years Operating commitments, net, 2016 Operating Leases, Net, Future Minimum Payments, Due in Three Years Operating Leases, Net, Future Minimum Payments, Due in Three Years Operating commitments, net, 2017 Operating Leases, Net, Future Minimum Payments, Due in Four Years Operating Leases, Net, Future Minimum Payments, Due in Four Years Operating commitments, net, 2018 Operating Leases, Net, Future Minimum Payments, Due in Five Years Operating Leases, Net, Future Minimum Payments, Due in Five Years Operating commitments, net, Thereafter Operating Leases, Net, Future Minimum Payments, Due Thereafter Operating Leases, Net, Future Minimum Payments, Due Thereafter Operating commitments, net Operating Leases, Net, Future Minimum Payments Operating Leases, Net, Future Minimum Payments Purchase commitments: Purchase Obligation, Fiscal Year Maturity [Abstract] Purchase commitments, 2014 (remainder) Purchase Obligation, Future Minimum Payments, Remainder of Fiscal Year Purchase commitments, 2015 Purchase Obligation, Due in Second Year Purchase commitments, 2016 Purchase Obligation, Due in Third Year Purchase commitments, 2017 Purchase Obligation, Due in Fourth Year Purchase commitments, 2018 Purchase Obligation, Due in Fifth Year Purchase commitments, Thereafter Purchase Obligation, Due after Fifth Year Purchase commitments Other contract commitments: Other Commitments [Abstract] Other contract commitments, 2014 (remainder) Other Commitments, Future Minimum Payments, Remainder of Fiscal Year Other contract commitments, 2015 Other Commitment, Due in Second Year Other contract commitments, 2016 Other Commitment, Due in Third Year Other contract commitments, 2017 Other Commitment, Due in Fourth Year Other contract commitments, 2018 Other Commitment, Due in Fifth Year Other contract commitments, Thereafter Other Commitment, Due after Fifth Year Other contract commitments Contractual obligations, 2014 (remainder) Contractual Obligation, Future Minimum Payments Due, Remainder of Fiscal Year Contractual obligations, 2015 Contractual Obligation, Due in Second Year Contractual obligations, 2016 Contractual Obligation, Due in Third Year Contractual obligations, 2017 Contractual Obligation, Due in Fourth Year Contractual obligations, 2018 Contractual Obligation, Due in Fifth Year Contractual obligations, Thereafter Contractual Obligation, Due after Fifth Year Contractual obligations Contractual Obligation Income Statement [Abstract] REVENUE: Revenue, Net [Abstract] Product Sales Revenue, Goods, Net Services and other Sales Revenue, Services and Other, Net Sales Revenue, Services and Other, Net Total revenue COST OF REVENUE: Cost of Goods and Services Sold [Abstract] Product Cost of Goods Sold Services and other Cost of Services and Other Cost of Services and Other Total cost of revenue Cost of Goods and Services Sold GROSS PROFIT: Gross Profit [Abstract] Product Product Gross Profit Products Gross profit is the aggregate revenue less cost of goods sold directly attributable to the revenue generation activity. Services and other Services and Other, Gross Profit Services and Other, Gross Profit Total gross profit Gross Profit OPERATING EXPENSES: Operating Expenses [Abstract] Research and development Research and Development Expense Sales and marketing Selling and Marketing Expense General and administrative General and Administrative Expense Total operating expenses Operating Expenses OPERATING INCOME Operating Income (Loss) INTEREST INCOME Investment Income, Net OTHER (EXPENSE) INCOME—Net INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest PROVISION FOR INCOME TAXES Net income per share attributable to common stockholders (Note 7): Diluted (in dollars per share) Weighted-average shares outstanding: Basic (in shares) Diluted (in shares) Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Stock repurchased in the period, shares Stock Repurchased and Retired During Period, Shares Stock repurchased in the period, value Stock Repurchased and Retired During Period, Value Remaining authorized repurchase amount under the program Stock Repurchase Program, Remaining Authorized Repurchase Amount Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] 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] Building and building improvements [Member] Building and Building Improvements [Member] Evaluation units [Member] Evaluation Units [Member] Evaluation units [Member] Computer equipment and software [Member] Computer Equipment, Software and Tooling [Member] Computer Equipment, Software and Tooling [Member] Furniture and fixtures [Member] Furniture and Fixtures [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property and equipment, useful life Property, Plant and Equipment, Useful Life STOCKHOLDERS' EQUITY Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Text Block] 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] Balance, beginning Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Balance, ending RSUs expected to vest—June 30, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest 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] Balance, weighted-average grant-date fair value per share (in dollars per share)—beginning Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted, weighted-average grant-date fair value per share (in dollars per share) Forfeited, weighted-average grant-date fair value per share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vested, weighted-average grant-date fair value per share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Balance, weighted-average grant-date fair value per share (in dollars per share)—ending RSUs expected to vest, weighted-average grant-date fair value per share (in dollars per share)—March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Grant Date Fair Value Shares withheld for taxes Shares Paid for Tax Withholding for Share Based Compensation Amount withheld for taxes Land [Member] Land [Member] Construction-in-progress [Member] Construction in Progress [Member] Leasehold improvements and tooling [Member] Leaseholds and Leasehold Improvements [Member] Property, Plant and Equipment, Net, by Type [Abstract] Property, Plant and Equipment, Net, by Type [Abstract] Total property and equipment Property, Plant and Equipment, Gross Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment - net Depreciation expense Depreciation Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Accrual warranty balance - beginning of period Standard Product Warranty Accrual Warranty costs incurred Standard Product Warranty Accrual, Payments Provision for warranty for the period Standard Product Warranty Accrual, Warranties Issued Adjustment related to pre-existing warranties Standard Product Warranty Accrual, Preexisting, Increase (Decrease) Accrual warranty balance - end of period Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions And Allocation of Recognized Period Costs [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions And Allocation of Recognized Period Costs [Table Text Block] Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Stock Options, Additional Information [Table Text Block] Schedule of Share-based Compensation, Stock Options, Additional Information [Table Text Block] Schedule of Share-based Compensation, Stock Options, Additional Information [Table Text Block] Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of Share-based Compensation, Shares Withheld for Taxes [Table Text Block] Schedule of Share-based Compensation, Shares Withheld for Taxes [Table Text Block] Schedule of Share-based Compensation, Shares Withheld for Taxes [Table Text Block] Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Additional Information [Table Text Block] Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Additional Information [Table Text Block] Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Additional Information [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs by Award Type [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs by Award Type [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs by Award Type [Table Text Block] Income Tax Benefit from Stock Option Plans [Table Text Block] Income Tax Benefit from Stock Option Plans [Table Text Block] Income Tax Benefit from Stock Option Plans [Table Text Block] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block]