Statement of Cash Flows [Abstract]
Statement [Table]
Statement [Table]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Statement [Line Items]
Statement [Line Items]
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 expense
Share-based Compensation
Excess tax benefit from employee stock option plans
Excess Tax Benefit (Tax Deficiency) 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
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 payroll and compensation
Increase (Decrease) in Employee Related Liabilities
Accrued and other liabilities
Increase (Decrease) in Accrued 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
Purchases 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
Excess tax benefit from employee stock option plans
Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Financing Activities
Net cash 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 year
Cash and Cash Equivalents, at Carrying Value
CASH AND CASH EQUIVALENTS—End of year
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Supplemental Cash Flow Information [Abstract]
Cash paid for income taxes
Income Taxes Paid, Net
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Purchase of property and equipment not yet paid
Capital Expenditures Incurred but Not yet Paid
Liability incurred in connection with business acquisition
Business Acquisition, Cost of Acquired Entity, Cash to be Paid, Amount Withheld in Escrow
Business Acquisition, Cost of Acquired Entity, Cash to be Paid, Amount Withheld in Escrow
Earnings Per Share [Abstract]
NET INCOME PER SHARE
Earnings Per Share [Text Block]
Statement of Financial Position [Abstract]
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
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain]
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]
Award Type [Axis]
Award Type [Axis]
Award Type [Domain]
Award Type [Domain]
Stock Options [Member]
Stock Options [Member]
Employee Stock [Member]
Employee Stock [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, Minimum
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
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 - End (in shares)
Options vested and expected to vest (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Balance - Ending (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Balance - Beginning (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, 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)
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 exercisable, Weighted average exercise price (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
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, 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 exercisable, Weighted average remaining contractual life (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, 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, Total Compensation Cost Not yet Recognized
Compensation cost not yet recognized period of recognition
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition
Income tax benefit from employee stock option plans
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Segment Reporting [Abstract]
Revenue and property and equipment by geographic region [Table Text Block]
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Financial Instruments and Fair Value [Abstract]
Financial Instruments and Fair Value [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]
Fair Value, by Balance Sheet Grouping and Measurement Inputs, Disclosure [Table Text Block]
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Finite-Lived Intangible Assets by Major Class [Table]
Schedule of Finite-Lived Intangible Assets [Table]
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]
Indefinite-lived Intangible Assets by Major Class [Axis]
Indefinite-lived Intangible Assets by Major Class [Axis]
In Process Research and Development [Domain]
In Process Research and Development [Domain]
In Process Research and Development [Domain]
In Process Research and Development [Member]
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]
Technology-Based Intangible Assets [Member]
Technology-Based Intangible Assets [Member]
Customer Relationships [Member]
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Goodwill
Goodwill
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived other intangible assets, gross
Finite-Lived Intangible Assets, Gross
Customer relationships, gross
Acquired Finite-lived Intangible Asset, Amount
Accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
In-process research and development
Acquired Indefinite-lived Intangible Asset, Amount
Total other intangible assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)
Total other intangible assets
Intangible Assets, Gross (Excluding Goodwill)
Intangible Assets, Gross (Excluding Goodwill)
Total other intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Amortization expense
Amortization of Intangible Assets
2013 (remainder)
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year
2014
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2015
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2016
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2017
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Total
Finite-Lived Intangible Assets, Net
SEGMENT AND SIGNIFICANT CUSTOMER INFORMATION
Segment Reporting Disclosure [Text Block]
Income Statement [Abstract]
REVENUE:
Revenue, Net [Abstract]
Product
Sales Revenue, Goods, Net
Services
Sales Revenue, Services, Net
Ratable and other revenue
Ratable and other revenue, Net
Aggregate revenue during the period from ratable product and services, and other revenue rendered in the normal course of business, after deducting returns, allowances and discounts.
Total revenue
Revenue, Net
COST OF REVENUE:
Cost of Goods and Services Sold [Abstract]
Product
Cost of Goods Sold
Services
Cost of Services
Ratable and other revenue
Cost of Ratable and Other Revenue
Total costs related to ratable products and services, and other revenue rendered by an entity during the reporting period
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
Services Gross Profit
Service Gross Profit is the aggregate revenue less cost of services sold or operating expenses directly attributable to the revenue generation activity.
Ratable and other revenue
Ratable and Other Revenue Gross Profit
Gross Profit is the aggregated revenue less the cost of ratable goods and services sold and cost of other revenue or operating expenses directly attributable to the revenue generation activity.
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, Interest
OTHER (EXPENSE) INCOME—Net
Other Nonoperating Income (Expense)
INCOME BEFORE INCOME TAXES
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
PROVISION FOR INCOME TAXES
Income Tax Expense (Benefit)
NET INCOME
Net income per share:
Basic (in dollars per share)
Earnings Per Share, Basic
Diluted (in dollars per share)
Earnings Per Share, Diluted
Weighted-average shares outstanding:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
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—December 31, 2012
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
Balance—June 30, 2013
RSUs expected to vest—December 31, 2012
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
Balance, weighted-average grant-date fair value per share (in dollars per share)—December 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
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 [Roll Forward]
Granted, 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, Grants in Period, Weighted Average Grant Date Fair Value
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
Balance, weighted-average grant-date fair value per share (in dollars per share)—March 31, 2013
RSUs expected to vest, weighted-average grant-date fair value per share (in dollars per share)—March 31, 2013
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
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition
Schedule of Earnings Per Share [Table]
Schedule of Earnings Per Share [Table]
ESPP [Member]
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)
Diluted shares:
Effect of potentially dilutive securities:
Weighted Average Number Diluted Shares Outstanding Adjustment [Abstract]
Employee stock options and purchase rights (in shares)
Incremental Common Shares Attributable to Share-based Payment Arrangements
Weighted-average shares used to compute diluted net income per share (in shares)
Net income per share:
Earnings Per Share, Basic, Diluted [Abstract]
Earnings Per Share, Basic, Diluted [Abstract]
Diluted (in dollars per share)
Deferred Revenue Disclosure [Abstract]
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 [Member]
Services [Member]
Services [Member]
Ratable and other revenue [Member]
Ratable and Other Revneue [Member]
Ratable and Other Revneue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue Arrangement [Line Items]
Short-term
Deferred Revenue, Current
Long-term
Deferred Revenue, Noncurrent
Total deferred revenue
Deferred Revenue
ASSETS
Assets [Abstract]
CURRENT ASSETS:
Assets, Current [Abstract]
Cash and cash equivalents
Short-term investments
Short-term Investments
Accounts receivable—Net
Accounts Receivable, Net, Current
Inventory
Inventory, Net
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Total current assets
Assets, Current
PROPERTY AND EQUIPMENT—Net
Property, Plant and Equipment, Net
LONG-TERM INVESTMENTS
Long-term Investments
GOODWILL AND OTHER INTANGIBLE ASSETS—Net
Intangible Assets, Net (Including Goodwill)
DEFERRED TAX ASSETS—Non-current
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent
OTHER ASSETS
Other Assets, Noncurrent
TOTAL ASSETS
Assets
LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities and Equity [Abstract]
CURRENT LIABILITIES:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued liabilities
Accrued Liabilities, Current
Accrued payroll and compensation
Employee-related Liabilities, Current
Deferred revenue
Total current liabilities
Liabilities, Current
DEFERRED REVENUE—Non-current
INCOME TAXES PAYABLE—Non-current
Accrued Income Taxes, Noncurrent
OTHER LIABILITIES
Other Liabilities, Noncurrent
Total liabilities
Liabilities
COMMITMENTS AND CONTINGENCIES (Note 7)
Commitments and Contingencies
STOCKHOLDERS' EQUITY:
Stockholders' Equity Attributable to Parent [Abstract]
Common stock, $0.001 par value — 300,000 shares authorized; 163,773 and 161,757 shares issued and 162,364 and 160,348 shares outstanding as of June 30, 2013 and December 31, 2012, respectively
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Treasury stock
Treasury Stock, Value
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
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Cost of Product Revenue [Member]
Cost of Goods Sold [Member]
Cost of Goods Sold [Member]
Cost of Services Revenue [Member]
Cost of Services [Member]
Cost of Services [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
Business Combinations [Abstract]
Schedule of Purchase Price Allocation [Table Text Block]
Schedule of Purchase Price Allocation [Table Text Block]
Inventory Disclosure [Abstract]
INVENTORY
Inventory Disclosure [Text Block]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment [Table Text Block]
Property, Plant and Equipment [Table Text Block]
Inventory, Net [Abstract]
Raw materials
Inventory, Raw Materials, Net of Reserves
Finished goods
Inventory, Finished Goods, Net of Reserves
Inventory
PROPERTY AND EQUIPMENT—NET
Property, Plant and Equipment Disclosure [Text Block]
Employee Benefit Plan [Abstract]
11. Employee Benefit Plan [Abstract]
EMPLOYEE BENEFIT PLAN
Compensation and Employee Benefit Plans [Text Block]
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis]
Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis]
Fair Value, Disclosure Item Amounts [Domain]
Fair Value, Disclosure Item Amounts [Domain]
Estimate of Fair Value [Member]
Estimate of Fair Value, Fair Value Disclosure [Member]
Reported as [Member]
Carrying (Reported) Amount, Fair Value Disclosure [Member]
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]
Money market funds [Member]
Money Market Funds, Excluding Commercial Paper [Member]
Money Market Funds, Excluding Commercial Paper [Member]
Fair Value by Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Recurring [Member]
Fair Value, Measurements, Recurring [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]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Level 2 [Member]
Fair Value, Inputs, Level 2 [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]
Less Than 12 Months, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Available-for-sale securities, Fair Value Disclosure
Available-for-sale Securities, Fair Value Disclosure
Total Assets, Fair Value Disclosure
Assets, Fair Value Disclosure
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses
12 Months or Greater, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
FINANCIAL INSTRUMENTS AND FAIR VALUE
Financial Instruments Disclosure [Text Block]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Contingent Consideration by Type [Axis]
Contingent Consideration by Type [Axis]
ContingentConsiderationPayableInEighteenMonths [Domain]
ContingentConsiderationPayableInEighteenMonths [Domain]
ContingentConsiderationPayableInEighteenMonths [Domain]
Contingent consideration payable after eighteen months [Member]
Contingent consideration payable after eighteen months [Member]
Contingent consideration payable after eighteen months [Member]
Contingent consideration payable after two years [Member]
Contingent consideration payable after two years [Member]
Contingent consideration payable after two years [Member]
XDN, Inc [Member]
XDN, Inc [Member]
XDN, Inc [Member]
IntruGuard Devices, Inc [Member]
IntruGuard Devices, Inc [Member]
IntruGuard Devices, Inc [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Asset, Amount
Finite-Lived Intangible Asset, Useful Life
Finite-Lived Intangible Asset, Useful Life
Total consideration
Business Combination, Consideration Transferred
Amount withheld in escrow
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash to be Paid, Amount Withheld in Escrow
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash to be Paid, Amount Withheld in Escrow
Purchased tangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Tangible Assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Tangible Assets
Liabilities assumed
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Purchased identifiable intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Released amounts previously withheld in escrow
Payments for Previous Acquisition
Business Acquisition, Contingent Consideration, at Fair Value
Business Acquisition, Contingent Consideration, at Fair Value
Business Acquisition, Contingent Consideration, Potential Cash Payment
Business Acquisition, Contingent Consideration, Potential Cash Payment
Cash and cash equivalents
Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents
Other current assets
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets
Finite-lived intangible assets
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets
Indefinite-lived intangible assets
Business Acquisition, Purchase Price Allocation, Intangible Assets Not Amortizable
Goodwill
Business Acquisition, Purchase Price Allocation, Goodwill Amount
Other assets
Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets
Total assets acquired
Business Acquisition, Purchase Price Allocation, Assets Acquired
Current liabilities
Business Acquisition, Purchase Price Allocation, Current Liabilities
Long-term liabilities
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities
Total liabilities assumed
Business Acquisition, Purchase Price Allocation, Liabilities Assumed
Total purchase price
Business Acquisition, Cost of Acquired Entity, Purchase Price
Commitments and Contingencies Disclosure [Abstract]
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Schedule of Product Warranty Liability [Table Text Block]
Schedule of Product Warranty Liability [Table Text Block]
Income Tax Disclosure [Abstract]
Income Tax Contingency [Table]
Income Tax Contingency [Table]
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Income Tax Contingency [Line Items]
Income Tax Contingency [Line Items]
Effective tax rate
Effective Income Tax Rate, Continuing Operations
Unrecognized tax benefits
Unrecognized Tax Benefits
Unrecognized tax benefits which, if recognized, would favorably impact the effective tax rate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Accrued interest and penalties related to uncertain tax provisions
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Accounting Policies [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Significant Accounting Policies [Text Block]
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
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, Total Intrinsic Value
Fair value of options vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Unrecorded Unconditional Purchase Obligation [Table]
Unrecorded Unconditional Purchase Obligation [Table]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Independent Contract Manufacturing [Member]
Independent Contract Manufacturing [Member]
Independent Contract Manufacturing [Member]
Other Purchase Obligations [Member]
Other Purchase Obligations [Member]
Other Purchase Obligations [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded Unconditional Purchase Obligation [Line Items]
Open purchase orders and other contractual obligations
Unrecorded Unconditional Purchase Obligation
Equity [Abstract]
ACCUMULATED OTHER COMPREHENSIVE INCOME
Comprehensive Income (Loss) Note [Text Block]
INCOME TAXES
Income Tax Disclosure [Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
FOREIGN CURRENCY DERIVATIVES
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Consolidated Statements of Comprehensive Income [Abstract]
Consolidated Statements of Comprehensive Income [Abstract]
Other comprehensive (loss) income, net of reclassification adjustments:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation losses
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent
Unrealized (losses) gains on investments
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax
Unrealized gains on cash flow hedges
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Portion Attributable to Parent
Tax benefit (provision) related to items of other comprehensive income or loss
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent
Other comprehensive (loss) income, net of tax
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Table]
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]
[Line Items] for Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss), Before Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Before Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Before Tax [Roll Forward]
Beginning balance, before tax
Accumulated Other Comprehensive Income (Loss), before Tax 1
Accumulated Other Comprehensive Income (Loss), before Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [Abstract]
Other comprehensive income before relassifications, before tax
Other Comprehensive Income (Loss), before Reclassifications, before Tax
Other Comprehensive Income (Loss), before Reclassifications, before Tax
Amounts reclassified from accumulated other comprehensive income, before tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Net current-period other comprehensive income, before tax
Other Comprehensive Income (Loss), before Tax
Ending balance, before tax
Accumulated Other Comprehensive Income (Loss), Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Tax [Roll Forward]
Beginning balance, tax
Accumulated Other Comprehensive Income (Loss), Tax
Accumulated Other Comprehensive Income (Loss), Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax [Abstract]
Other comprehensive income before relassifications, 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
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance, net of tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other comprehensive income before relassifications, net of tax
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Amounts reclassified from accumulated other comprehensive income, net of tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Net current-period other comprehensive income, net of tax
Other Comprehensive Income (Loss), Net of Tax
Ending balance, net of tax
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Table]
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 Securities, Gross Unrealized Gains
Unrealized Losses
Available-for-sale Securities, Gross Unrealized Losses
Fair Value
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, Unrealized Losses
12 Months or Greater, Unrealized Losses
Total, Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses
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
Due within one to three years
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Movement in Standard Product Warranty Accrual [Roll Forward]
Movement in Standard Product Warranty Accrual [Roll Forward]
Accrued warranty balance—beginning of the period
Standard Product Warranty Accrual
Warranty costs incurred
Standard Product Warranty Accrual, Payments
Provision for warranty
Standard Product Warranty Accrual, Warranties Issued
Changes in prior period estimates
Standard Product Warranty Accrual, Preexisting, Increase (Decrease)
Accrued warranty balance—end of the period
Rent expense
Operating Leases, Rent Expense, Net
COMMITMENTS AND CONTINGENCIES
Commitments and Contingencies Disclosure [Text Block]
Presentation and Preparation of Consolidated Financial Statements [Policy Text Block]
Presentation and Preparation of Consolidated Financial Statements [Policy Text Block]
Presentation and Preparation of Consolidated Financial Statements [Policy Text Block]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities Excluded from Computation of Earnings Per Share, 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
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
GOODWILL AND OTHER INTANGIBLE ASSETS—NET
Intangible Assets Disclosure [Text Block]
Reclassification out of Accumulated Other Comprehensive Income [Table]
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 [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
[Domain] for Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Member]
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]
[Line Items] for Reclassification out of Accumulated Other Comprehensive Income [Table]
Unrealized gains on investments
Gain (Loss) on Investments, Excluding Other than Temporary Impairments
Tax provision related to items of other comprehensive income or loss
Total reclassification for the period
Schedule of Accumulated Other Comprehensive Income
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Reclassification out of Accumulated Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).
DEFERRED REVENUE
Deferred Revenue Disclosure [Text Block]
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]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Derivative Instrument Risk [Axis]
Derivative Instrument Risk [Axis]
Derivative Contract Type [Domain]
Derivative Contract Type [Domain]
Canada, Dollars
Canada, Dollars
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Notional Amount of Foreign Currency Derivative Purchase Contracts
Notional Amount of Foreign Currency Derivative Purchase Contracts
BUSINESS COMBINATIONS
Business Combination Disclosure [Text Block]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Matching contributions to the RRSP and 401(k) Plans
Defined Contribution Plan, Employer Matching Contribution, Amount
Defined Contribution Plan, Employer Matching Contribution, Amount
Operating Leases, Rent Expense, Net
Fiscal Years:
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2013 (remainder)
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year
2014
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2015
Operating Leases, Future Minimum Payments, Due in Two Years
2016
Operating Leases, Future Minimum Payments, Due in Three Years
2017
Operating Leases, Future Minimum Payments, Due in Four Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Total
Operating Leases, Future Minimum Payments Due
Inventory [Table Text Block]
Schedule of Inventory, Current [Table 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)
Shares issued under the ESPP (in shares)
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
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, 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 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 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]
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]
Schedule of Property, Plant and Equipment [Table]
Schedule of 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]
Land [Member]
Land [Member]
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 [Member]
Furniture and fixtures [Member]
Furniture and Fixtures [Member]
Leasehold improvements and tooling [Member]
Leaseholds and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
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
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Schedule of Other Intangible Assets Major Class [Table Text Block]
Schedule of Other Intangible Assets Major Class [Table Text Block]
[Table Text Block] for Schedule of Other Intangible Assets by Major Class [Table]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
STOCK PLANS
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Statement, Geographical [Axis]
Geographical [Axis]
Segment, Geographical [Domain]
Segment, Geographical [Domain]
Americas [Member]
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]
Concentration risk, percentage
Concentration Risk, Percentage
Revenue
Property and equipment - net