Statement of Comprehensive Income [Abstract]
Tax effect of unrealized gain on cash flow hedges
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
Tax effect of unrealized gain (loss) on available-for-sale investments
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax
Tax effect of foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax
Cash and Cash Equivalents [Abstract]
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
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]
Euro liquidity fund [Member]
Euro liquidity fund [Member]
Investments in a portfolio of investment-grade bonds.
Corporate Bonds [Member]
Corporate Bond Securities [Member]
Agency Bonds [Member]
Agency Bonds [Member]
Agency bond.
Asset-Backed Securities [Member]
Asset-backed Securities [Member]
Municipal Bonds [Member]
Municipal Bonds [Member]
Treasury Bills [Member]
US Treasury Securities [Member]
Sovereign Bonds [Member]
Sovereign Debt Securities [Member]
Investment Type [Axis]
Investment Type [Axis]
Investment Type Categorization [Domain]
Investments [Domain]
Short-term investments [Member]
Short-term Investments [Member]
Long-term investments [Member]
Long Term Investments [Member]
Long-term investments.
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
Gross Unrealized Gains
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax
Gross Unrealized Losses
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Fair Value, Total
Available-for-sale Securities, Debt Securities
Equity [Abstract]
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Common Stock [Member]
Common Stock [Member]
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
Repurchase Program 2014 [Member]
Repurchase Program 2014 [Member]
Repurchase Program 2014 [Member]
Repurchase Program 2015 [Member]
Repurchase Program Twenty Fifteen [Member]
Repurchase Program Twenty Fifteen [Member]
Repurchase Program November 2015 [Member]
Repurchase Program November 2015 [Member]
Repurchase Program November 2015 [Member]
Class of Stock [Line Items]
Class of Stock [Line Items]
Authorized shares
Preferred Stock, Shares Authorized
Preferred stock Par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Vote entitled for each common share outstanding
Vote Entitled For Each Common Share Outstanding
Vote entitled for each common share outstanding.
Number of preferred stock purchase right for dividend distribution
Number Of Preferred Stock Purchase Right For Dividend Distribution
Number of preferred stock purchase right for dividend distribution.
Outstanding common share to be acquiring person
Common Shares To Be Owned To Become Acquiring Person
Common shares to be owned to become acquiring person.
Repurchase of authorized common stock
Stock Repurchase Program, Authorized Amount
total shares repurchased
total shares repurchased
total shares repurchased
Repurchased shares, total cost
Repurchased shares, total cost
Repurchased shares, total cost
Stock Repurchased During Period, Shares
Stock Repurchased During Period, Shares
Stock Repurchased During Period, Value
Stock Repurchased During Period, Value
Cash dividend declared per common share
Common Stock, Dividends, Per Share, Declared
Payments of Dividends
Payments of Dividends
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance
Accumulated Other Comprehensive Income (Loss), Net of Tax
Net unrealized loss on cash flow hedges
Other Comprehensive Income (Loss), Net of Tax
Reclassification of net realized loss on cash flow hedges into current operations
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Ending balance
Derivative Asset, Fair Value, Gross Asset
Derivative Asset, Fair Value, Gross Asset
Derivative Asset gross amount offset
Derivative Asset, Collateral, Obligation to Return Cash, Offset
Net amount of assets presented
Derivative Asset
Derivative Liability, Fair Value, Gross Liability
Derivative Liability, Fair Value, Gross Liability
Derivative liability gross amount offset
Derivative Liability, Collateral, Right to Reclaim Cash, Offset
Net amount of liabilities presented
Derivative Liability
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
Minimum age to be eligible to defined contribution plan
Minimum Age To Be Eligible To Defined Contribution Plan
Minimum age to be eligible to defined contribution plan.
Maximum contribution by company expressed as percentage of employee pre-tax salary
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
Company contributions vest at end of two years
Company Contributions Vest At End Of Two Year
Company contributions vest at end of two year.
Company contributions vest at end of three years
Company Contributions Vest At End Of Three Years
Company contributions vest at end of three years.
Company contributions vest at end of four years
Company Contributions Vest At End Of Four Years
Company contributions vest at end of four years.
Company contributions vest at end of five years
Company Contributions Vest At End Of Five Years
Company contributions vest at end of five years.
Company contributions to employee savings plan
Defined Contribution Plan, Cost Recognized
Schedule of Notional Amounts of Outstanding Derivative Positions
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Offsetting Assets
Offsetting Assets [Table Text Block]
Derivative Instruments, Gain (Loss)
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss)
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
Inventory Disclosure [Abstract]
Raw materials
Inventory, Raw Materials, Net of Reserves
Work-in-process
Inventory, Work in Process, Net of Reserves
Finished goods
Inventory, Finished Goods, Net of Reserves
Inventories
Inventory, Net
Discontinued Operations and Disposal Groups [Abstract]
Statement [Table]
Statement [Table]
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Disposal Group Name [Domain]
Disposal Group Name [Domain]
SISD [Member]
Sisd [Member]
SISD.
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
Discontinued Operations, Disposed of by Sale [Member]
Discontinued Operations, Disposed of by Sale [Member]
Statement [Line Items]
Statement [Line Items]
Accounts receivable, net
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net
Inventories, net
Disposal Group, Including Discontinued Operation, Inventory, Current
Unbilled revenue
Disposal Group, Including Discontinued Operation, Unbilled Contracts Receivable
Disposal Group, Including Discontinued Operation, Unbilled Contracts Receivable
Prepaid expenses and other current assets
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current
Property, plant, and equipment, net
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current
Goodwill
Disposal Group, Including Discontinued Operation, Goodwill, Current
Intangible assets, net
Disposal Group, Including Discontinued Operation, Intangible Assets, Current
Other assets
Disposal Group, Including Discontinued Operation, Other Assets, Current
Held for sale assets
Disposal Group, Including Discontinued Operation, Assets, Current
Accounts payable
Disposal Group, Including Discontinued Operation, Accounts Payable, Current
Accrued expenses
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current
Deferred revenue
Disposal Group, Including Discontinued Operation, Deferred Revenue, Current
Held for sale liabilities
Disposal Group, Including Discontinued Operation, Liabilities, Current
Revenue
Disposal Group, Including Discontinued Operation, Revenue
Cost of revenue
Disposal Group, Including Discontinued Operation, Costs of Goods Sold
Research, development, and engineering expenses
Disposal Group, Including Discontinued Operations, Research Development And Engineering Expenses
Disposal Group, Including Discontinued Operations, Research Development And Engineering Expenses
Selling, general, and administrative expenses
Disposal Group, Including Discontinued Operations, Selling General And Administrative Expenses
Disposal Group, Including Discontinued Operations, Selling General And Administrative Expenses
Foreign currency loss
Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses)
Operating income from discontinued business
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax
Gain on sale of discontinued business
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax
Income from discontinued operations before income tax expense
Income from discontinued operations, total pretax
Income from discontinued operations, total pretax
Income tax expense on discontinued operations
Discontinued Operation, Tax Effect of Discontinued Operation
Net income from discontinued operations
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Stock-based compensation expense
stock-basedcompensationdiscontinuedoperation
stock-basedcompensationdiscontinuedoperation
Depreciation expense
Depreciation, Discontinued Operations
Depreciation, Discontinued Operations
Amortization expense
Amortization, Discontinued Operations
Amortization, Discontinued Operations
Capital expenditures
Capital Expenditure, Discontinued Operations
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets
Intangible Assets Disclosure [Text Block]
Income Tax Disclosure [Abstract]
Tax Credit Carryforward [Table]
Tax Credit Carryforward [Table]
Tax Credit Carryforward [Axis]
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name [Domain]
Tax Credit Carryforward, Name [Domain]
Research Tax Credit Carryforward [Member]
Research Tax Credit Carryforward [Member]
State Research And Experimentation [Member]
State Research And Experimentation [Member]
State research and experimentation.
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward [Line Items]
Domestic income from continuing operations before taxes
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Foreign income from continuing operations before taxes
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount
Increase (decrease) in tax expense upon the expiration of the statutes of limitation for certain reserves for income tax uncertainties
Income Tax Reconciliation Reductions Resulting From Lapse Of Applicable Statute Of Limitations
Income Tax Reconciliation Reductions Resulting From Lapse Of Applicable Statute Of Limitations
Increase (decrease) in tax expense for research tax credits
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
Income Tax Examination, Increase (Decrease) in Liability from Prior Year
Income Tax Examination, Increase (Decrease) in Liability from Prior Year
Increase (decrease) in interest and penalties
Increase Decrease Interest And Penalties
Increase decrease interest and penalties.
Unrecognized tax benefit shown as a reduction to noncurrent deferred tax assets
Unrecognized tax benefit shown as a reduction to noncurrent deferred tax assets
Unrecognized tax benefit shown as a reduction to noncurrent deferred tax assets as a result of net operating loss carryforward, a similar tax loss, or a tax credit carryforward.
Reserve for income taxes
Liability for Uncertain Tax Positions, Noncurrent
Deferred Tax Liabilities, Gross, Noncurrent
Deferred Tax Liabilities, Gross, Noncurrent
Interest and penalties, gross
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Minimum decrease in income tax expense due to release in reserves
Minimum Decrease In Income Tax Expense Due To Release In Reserves
Minimum decrease in income tax expense due to release in reserves.
Maximum decrease in income tax expense due to release in reserves
Maximum Decrease In Income Tax Expense Due To Release In Reserves
Maximum decrease in income tax expense due to release in reserves.
Deferred Tax Assets, Valuation Allowance
Deferred Tax Assets, Valuation Allowance
Deferred Tax Assets, Tax Credit Carryforwards, Research
Deferred Tax Assets, Tax Credit Carryforwards, Research
Non deductible federal and state liabilities
Deferred Tax Liabilities, Intangible Assets
Income from expiration of the statute of limitations relating to a tax
Income Tax Holiday Termination Of Applicable Statute
Income tax Holiday Termination of applicable statute.
Income tax paid net
Income Taxes Paid, Net
Open Tax Year State Authorities
Open Tax Year State Authorities
Open Tax Year State Authorities
Open tax year United States Internal Revenue Service
Open tax year United States Internal Revenue Service
Open tax years open to examination within the United States by the Internal Revenue Service
Tax years open to examination, various authorities
Open tax year, various taxing authorities
Open tax year, various taxing authorities
Tax years covered through Advanced Pricing Agreement
Tax Years Covered Through Advanced Pricing Agreement
Tax years covered through Advanced Pricing Agreement.
Tax years for APA agreement
Tax years for APA agreement
Tax years for APA agreement
State research and experimentation tax carryforwards
State research and experimentation tax carryforwards
State research and experimentation tax carryforwards
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
Employee Stock Option [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]
Shares available for grant under stock option plans
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Vesting period for stock option plans
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Expiration period of stock option plan
Expiration Period Of Stock Option Plan
Expiration period of stock option plan.
Expected dividend yield, beginning in 2015
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate, Year Two
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate, Year Two
Number of groups within the employee population
Number Of Groups Within Employee Population
Number of groups within employee population.
Percentage of stock options granted to all other employees expected to vest
Percentage Of Stock Options Granted To All Other Employees Expected To Vest
Percentage of stock options granted to all other employees expected to vest.
Percentage of stock options granted to senior management expected to vest
Percentage Of Stock Options Granted To Senior Management Expected To Vest
Percentage of stock options granted to senior management expected to vest.
Estimated forfeiture rate for unvested options for senior management
Estimated Forfeiture Rate For Unvested Options For Senior Management
Estimated forfeiture rate for unvested options for senior management.
Estimated forfeiture rate for unvested options for all non-senior management
Estimated Forfeiture Rate For Unvested Options For All Non Senior Management
Estimated forfeiture rate for unvested options for all non-senior management.
Increase In Compensation Expense Due To Revised Estimated Forfeiture Rates
Increase In Compensation Expense Due To Revised Estimated Forfeiture Rates
Increase (decrease) in compensation expense due to revised estimated forfeiture rates.
Weighted-average grant-date fair values of stock options granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Total intrinsic values of stock options exercised
Shares Based Compensation Arrangement By Shares Based Payment Award Options Exercisable Intrinsic Value
Shares based compensation arrangement by shares based payment award options exercisable intrinsic value.
Total fair values of stock options vested
Share Based Compensation Arrangement By Share Based Payment Award Options Vested Fair Value
Share based compensation arrangement by share based payment award options vested fair value.
Total unrecognized compensation expense related to non-vested stock options
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Period for Recognition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Stock-based compensation expense
Allocated Share-based Compensation Expense
Income tax benefit recognized related to stock-based compensation expense
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense
Compensation expense capitalized
Employee Service Share Based Compensation Recognized Period Costs Capitalized Amount
Employee service share based compensation recognized period costs capitalized amount.
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Accounting Policies [Abstract]
Product Liability Contingency [Table]
Product Liability Contingency [Table]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Product Liability Contingency [Line Items]
Product Liability Contingency [Line Items]
Product Warranty Period
Product Warranty Period
Product warranty period.
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets
Customer relationships
Developer network acquired, intangible asset
Developer network acquired, intangible asset
Completed technology
Completed Technology Acquired, intangible
Completed Technology Acquired, intangible
Goodwill
Goodwill, Acquired During Period
Purchase price
Acquisition Purchase Price, total
Acquisition Purchase Price, total
Segment Reporting [Abstract]
Concentration Risk [Table]
Concentration Risk [Table]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Previous Company Segments [Member]
Previous Company Segments [Member]
Previous Company Segments [Member]
Current Company Segments [Member]
Current Company Segments [Member]
Current Company Segments [Member]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Europe [Member]
Europe [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Total Revenue
Sales Revenue, Net [Member]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Revenue from a single customer, percentage
Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
Revenues
Revenues
Number of Reportable Segments
Number of Reportable Segments
Maximum percentage of revenue accountability
Concentration Risk, Percentage
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Cash Flow Hedging [Member]
Cash Flow Hedging [Member]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Designated as Hedging Instrument [Member]
Designated as Hedging Instrument [Member]
Accumulated Other Comprehensive Loss [Member]
AOCI Attributable to Parent [Member]
Accumulated other comprehensive loss consists of foreign currency translation adjustments, net of tax
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
Net unrealized losses on available-for-sale investments, net of tax
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Net unrealized gains on derivative instruments
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net
Losses on currency swaps, net of gains on long-term intercompany loans
Adjustment for Long-term Intercompany Transactions, Net of Tax
Net realized gains reclassified into current operations
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
Inventories
Inventory Disclosure [Text Block]
Statement of Stockholders' Equity [Abstract]
Tax effect of unrealized gain on derivative instruments
Tax effect of unrealized gain on available-for-sale investments
Tax benefit of foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Qualitative Assessment, years
Qualitative Assessment, years
Qualitative Assessment, years
Components of Cash, Cash Equivalents and Investments
Components Of Cash Cash Equivalents And Investments Table [Table Text Block]
Components of cash cash equivalents and investments.
Summary of Available-for-Sale Investments
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
Gross Unrealized Losses and Fair Value for Available-for-Sale Investments
Schedule of Unrealized Loss on Investments [Table Text Block]
Effective Maturity Dates of Available-for-Sale Investments
Investments Classified by Contractual Maturity Date [Table Text Block]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment [Table]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Land [Member]
Land [Member]
Building [Member]
Building [Member]
Building Improvements [Member]
Building Improvements [Member]
Leasehold Improvements [Member]
Leasehold Improvements [Member]
Hardware And Software [Member]
Hardware And Software [Member]
Hardware and software.
Equipment [Member]
Equipment [Member]
Furniture and Fixtures [Member]
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross
Property, Plant and Equipment, Gross
Less: accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property, Plant and Equipment, Net, Total
Property, Plant and Equipment, Net
Accounting Changes and Error Corrections [Abstract]
New Pronouncements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
Supranational bonds [Member]
Supranational bonds [Member]
direct debt issued by two or more foreign central governments.
Less than 1 Year
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value
1-2 Years
Available For Sale Securities Debt Maturities After One Year Before Two Years Fair Value
This item represents the fair value of debt securities which are expected to mature within one year of the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.
2-3 Years
Available For Sale Securities Debt Maturities After Two Years Before Three Years Fair Value
Available-for-sale securities, debt maturities after second year but before third year, fair value.
3-4 Years
Available For Sale Securities Debt Maturities After Three Years Before Four Years Fair Value
Available-for-sale securities, debt maturities after third year but before fourth year, fair value.
4-5 Years
Available For Sale Securities Debt Maturities After Four Years Before Five Years Fair Value
Available-for-sale securities, debt maturities after fourth year but before fifth year, fair value.
5-7 Years
Available For Sale Securities Debt Maturities After Five Years Before Seven Years Fair Value
Available For Sale Securities Debt Maturities After Five Years Before Seven Years Fair Value
Fair Value, Total
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Not Designated as Hedging Instrument [Member]
Not Designated as Hedging Instrument [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Prepaid Expenses and Other Current Assets [Member]
Prepaid Expenses and Other Current Assets [Member]
Accrued Expenses [Member]
Accrued Expenses [Member]
Accrued expenses.
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Net amount of assets presented
Net amount of liabilities presented
Effective maturity of investments
Available-for-sale Securities, Debt Maturities, Effective Term, Maximum
Available-for-sale Securities, Debt Maturities, Effective Term, Maximum
Maximum investment of the company in partnership
Maximum Investment Of Company In Partnership
Maximum investment of the company in partnership.
Computer Hardware and Software [Member]
Computer Hardware And Software [Member]
Computer Hardware and Software Member.
Manufacturing test equipment [Member]
Property, Plant and Equipment, Useful Life
Property, Plant and Equipment, Useful Life
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
MVSD [Member]
Mvsd [Member]
MVSD.
Goodwill [Line Items]
Goodwill [Line Items]
Goodwill
Goodwill
Fair value in excess to carrying value
Fair Value In Excess To Carrying Value
Fair value in excess to carrying value.
Outstanding, Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures
Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Forfeited or expired
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period
Outstanding, Shares
Exercisable, Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Options vested or expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
Outstanding, Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Granted, Weighted-Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Exercised, Weighted-Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Forfeited or expired, Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Outstanding, Weighted-Average Exercise Price
Exercisable, Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Options vested or expected to vest, Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Outstanding, Weighted-Average Remaining Contractual Term (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Exercisable, Weighted-Average Remaining Contractual Term (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Options vested or expected to vest, Weighted-Average Remaining Contractual Term (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Outstanding, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Exercisable, Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Aggregate Intrinsic Value
Share based compensation arrangement by share based payment award options exercisable aggregate intrinsic value.
Options vested or 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
Payables and Accruals [Abstract]
Accrued Expenses
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Summary of Stock Option Activity
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Weighted-Average Assumptions Used in Estimating Fair Values of Stock Options Granted
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Nonvested Restricted Stock Shares Activity [Table Text Block]
Nonvested Restricted Stock Shares Activity [Table Text Block]
Stock-Based Compensation Expense
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Distribution networks
Distribution Rights [Member]
Customer contracts and relationships
Customer Contracts And Relationships [Member]
Customer Contracts And Relationships [Member]
Completed technologies
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value
Finite-Lived Intangible Assets, Gross
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Net Carrying Value
Finite-Lived Intangible Assets, Net
Goodwill
Goodwill Disclosure [Text Block]
Subsequent Events [Abstract]
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event [Member]
Subsequent Event [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Dividends Payable, Amount Per Share
Dividends Payable, Amount Per Share
Dividends Payable, Date Declared
Dividends Payable, Date Declared
Dividends Payable, Date of Record
Dividends Payable, Date of Record
Disposals in period
Property, Plant and Equipment, Disposals
Buildings include rental property
Property Subject to or Available for Operating Lease, Gross
Accumulated depreciation
Property Subject to or Available for Operating Lease, Accumulated Depreciation
Distribution Rights [Member]
Customer Contracts And Relationships [Member]
Completed Technologies And Other Intangible Assets [Member]
Completed Technologies And Other Intangible Assets [Member]
Completed Technologies And Other Intangible Assets [Member]
Finite-Lived Intangible Asset, Useful Life
Finite-Lived Intangible Asset, Useful Life
Constituents of accrued expenses
Accrued Liabilities, Current [Abstract]
Company bonuses
Accrued Bonuses, Current
Salaries, commissions, and payroll taxes
Accrued Salaries, Current
Vacation
Accrued Vacation, Current
Warranty obligations
Product Warranty Accrual, Current
Foreign retirement obligations
Retirement Allowance
Retirement allowance Japan.
Japanese consumption taxes
Accrued Consumption Taxes Current
Accrued consumption taxes current.
Other
Other Accrued Liabilities, Current
Accrued expenses
Accrued Liabilities, Current
Amortized Intangible Assets
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Estimated Amortization Expense Succeeding Fiscal Years
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Taxes
Income Tax Disclosure [Text Block]
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
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]
Net gain on sale of discontinued business
Gain (Loss) on Disposition of Business
Stock-based compensation expense
Stock or Unit Option Plan Expense
Depreciation of property, plant, and equipment
Depreciation
Amortization of intangible assets
Amortization of Intangible Assets
Amortization of discounts or premiums on investments
Accretion (Amortization) of Discounts and Premiums, Investments
Realized (gain) loss on sale of investments
Gain (Loss) on Sale of Investments
Revaluation of contingent consideration
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability
Tax effect of stock option exercises
Excess Tax Benefit from Share-based Compensation, Operating Activities
Change in deferred income taxes
Increase (Decrease) in Deferred Income Taxes
Accounts receivable
Increase (Decrease) in Accounts Receivable
Inventories
Increase (Decrease) in Inventories
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued expenses
Increase (Decrease) in Accrued Liabilities
Accrued income taxes
Increase (Decrease) in Income Taxes Payable
Other
Increase (Decrease) in Other Operating Assets and Liabilities, Net
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]
Purchases of investments
Payments to Acquire Investments
Maturities and sales of investments
Proceeds from Sale, Maturity and Collection of Investments
Purchases of property, plant, and equipment
Payments to Acquire Property, Plant, and Equipment
Cash paid for acquisition of business
Payments to Acquire Businesses, Net of Cash Acquired
Cash paid for purchased technology
Payments to Acquire Intangible Assets
Net proceeds from sale of discontinued business
Proceeds from Divestiture of Businesses
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]
Issuance of common stock under stock plans
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options
Repurchase of common stock
Payments for Repurchase of Common Stock
Payment of dividends
Payments of Ordinary Dividends, Common Stock
Tax effect of stock option exercises
Excess Tax Benefit from Share-based Compensation, Financing Activities
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of foreign exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash and Cash Equivalents
Net change in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents at beginning of year
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents at end of year
Depreciation and amortization expense
Depreciation and Amortization, Discontinued Operations
Stock-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Current deferred tax assets:
Deferred Tax Assets, Net of Valuation Allowance, Current Classification [Abstract]
Inventory and revenue related
Deferred Tax Assets, Inventory
Bonuses, commissions, and other compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Other
Other
Deferred Tax Assets Other Current
Deferred tax assets other current.
Net current deferred tax assets
Deferred Tax Assets, Gross, Current
Non-current deferred tax assets:
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Classification [Abstract]
Stock-based compensation expense
Deferred Tax Assets Tax Credit Carryforwards Foreign And State
Deferred tax assets tax credit carry forwards foreign and state.
Federal and state tax credit carryforwards
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Depreciation
Noncurrent Deferred Tax Assets Deprecation
Noncurrent deferred tax assets deprecation.
Other
Deferred Tax Assets Other Noncurrent
Deferred tax assets other non current.
Gross non-current deferred tax assets
Deferred Tax Assets, Gross, Noncurrent
Non-current deferred tax liabilities:
Deferred Tax Liabilities, Gross [Abstract]
Nondeductible intangible assets
Gross non-current deferred tax liabilities
Deferred Tax Liabilities, Net, Noncurrent
Valuation allowance
Deferred Tax Assets, Valuation Allowance, Noncurrent
Net non-current deferred tax assets
Deferred Tax Assets, Net, Noncurrent
Current deferred tax liabilities:
Deferred Tax Liabilities, Gross, Classification [Abstract]
Other
Deferred Tax Liabilities, Other
Net current deferred tax liabilities
Deferred Tax Liabilities, Gross, Current
Valuation Allowance by Deferred Tax Asset [Axis]
Valuation Allowance by Deferred Tax Asset [Axis]
Deferred Tax Asset [Domain]
Deferred Tax Asset [Domain]
Deferred Tax Valuation Allowance [Member]
Valuation Allowance of Deferred Tax Assets [Member]
Future Minimum Rental Payments Under Lease Agreements
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Future Minimum Rental Receipts Under Non - Cancelable Lease Agreements
Schedule Of Future Minimum Rental Receipts For Operating Leases Table [Table Text Block]
Schedule of future minimum rental receipts for operating leases.
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Goodwill, Beginning Balance
Goodwill, Ending Balance
Changes in the Carrying Value of Goodwill
Schedule of Goodwill [Table Text Block]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance
Stockholders' Equity Attributable to Parent
Beginning Balance, Shares
Common Stock, Shares, Issued
Issuance of common stock under stock option plans
Stock Issued During Period, Value, Stock Options Exercised
Issuance of common stock under stock option plans, shares
Repurchase of common stock
Repurchase of common stock, shares
Stock-based compensation expense
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Excess tax benefit from stock option exercises
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation
Tax benefit for research and development credits as a result of stock options
Adjustment To Additional Paid In Capital Tax Benefit For Research And Development Credits As Result Of Stock Option Accounting
Adjustment To Additional Paid In Capital Tax Benefit For Research And Development Credits As Result Of Stock Option Accounting
Payment of dividends
Dividends, Common Stock, Cash
Net unrealized gain (loss) on cash flow hedges, net of tax
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
Reclassification of net realized (gain) loss into current operations
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
Net unrealized gain (loss) on available-for-sale investments, net of tax
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Reclassification of net realized gain on the sale of available-for-sale investments
Foreign currency translation adjustments, net of tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Balance
Balance, Shares
Inventories
Schedule of Inventory, Current [Table Text Block]
Property, Plant, and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Current:
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal
Current Federal Tax Expense (Benefit)
State
Current State and Local Tax Expense (Benefit)
Foreign
Current Foreign Tax Expense (Benefit)
Current income tax expense (benefit), Total
Current Income Tax Expense (Benefit)
Deferred:
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal
Deferred Federal Income Tax Expense (Benefit)
State
Deferred State and Local Income Tax Expense (Benefit)
Foreign
Deferred Foreign Income Tax Expense (Benefit)
Deferred income tax expense (benefit), Total
Deferred Income Tax Expense (Benefit)
Income tax expense (benefit), continuing operations, Total
Income Tax Expense (Benefit)
Treasury Bills [Member]
US Treasury Bill Securities [Member]
Cash
Cash
Money market instruments
Money Market Funds, at Carrying Value
Cash and cash equivalents
Short-term investments
Available-for-sale Securities, Debt Securities, Current
Asset Backed Securities Fair Value Disclosure
Asset Backed Securities Fair Value Disclosure
Asset Backed Securities Fair Value Disclosure
Long-term investments
Available-for-sale Securities, Debt Securities, Noncurrent
Limited partnership interest (accounted for using cost method)
Cost Method Investments
Long-term investments
Long-term Investments
Total
Cash Cash Equivalents Short Term And Long Term Investments
Cash, cash equivalents, short term and long term investments.
Future minimum rental receipts under non-cancelable lease agreements
Operating Leases, Future Minimum Payments Receivable [Abstract]
2016
Operating Leases, Future Minimum Payments Receivable, Current
2017
Operating Leases, Future Minimum Payments Receivable, in Two Years
2018
Operating Leases, Future Minimum Payments Receivable, in Three Years
2019
Operating Leases, Future Minimum Payments Receivable, in Four Years
2020
Operating Leases, Future Minimum Payments Receivable, in Five Years
Thereafter
Operating Leases, Future Minimum Payments Receivable, Thereafter
Total
Operating Leases, Future Minimum Payments Receivable
Earnings Per Share [Abstract]
Stock options to purchase anti-dilutive common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Purchase order outstanding
Purchase Commitment, Remaining Minimum Amount Committed
Total annual rental expense
Operating Leases, Rent Expense, Net
Total annual rental income
Operating Leases, Income Statement, Lease Revenue
Legal Settlement Total
Legal Settlement Total
Total settlement of Microscan litigation
Legal Settlement Asset
Legal Settlement Asset
legalsettlementasset
Life of patent, years
Life of patent, years
Life of patent, years
Legal Settlement Expense
Legal Settlement Expense
legalsettlementexpense
Derivative [Table]
Derivative [Table]
Currency [Axis]
Currency [Axis]
All Currencies [Domain]
All Currencies [Domain]
United States of America, Dollars
United States of America, Dollars
Japan, Yen
Japan, Yen
Korea (South), Won
Korea (South), Won
Hungary, Forint
Hungary, Forint
Singapore, Dollars
Singapore, Dollars
Canada, Dollars
Canada, Dollars
United Kingdom, Pounds
United Kingdom, Pounds
Taiwan, New Dollars
Taiwan, New Dollars
Derivative [Line Items]
Derivative [Line Items]
Derivative Asset, Notional Amount
Derivative Asset, Notional Amount
Weighted Average Shares
Earnings Per Share [Text Block]
Schedule of Discontinued Operations
Disposal Groups, Including Discontinued Operations [Table Text Block]
Stock-Based Compensation Expense- Summary of Restricted Stock Option Activity (Detail) [Abstract]
Stock-Based Compensation Expense- Summary of Restricted Stock Option Activity (Detail) [Abstract]
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]
Restricted Stock [Member]
Restricted Stock [Member]
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]
Options, Shares Nonvested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Options, Nonvested, Weighted-Average Exercise Price, in dollars per share
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2014, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested
Risk-free rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Expected dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Expected volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Expected term (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Acquisition of Selected Assets of Manatee Works, Inc.
Business Combination Disclosure [Text Block]
Income Statement [Abstract]
Revenue
Revenue, Net
Cost of revenue
Cost of Goods and Services Sold
Gross margin
Gross Profit
Research, development, and engineering expenses
Research and Development Expense
Selling, general, and administrative expenses
Selling, General and Administrative Expense
Operating income
Operating Income (Loss)
Foreign currency gain (loss)
Foreign Currency Transaction Gain (Loss), before Tax
Investment income
Investment Income, Nonoperating
Other income (expense)
Other Nonoperating Income (Expense)
Income from continuing operations before income tax expense
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Income tax expense on continuing operations
Net income from continuing operations
Income (Loss) from Continuing Operations Attributable to Parent
Net income from discontinued operations (Note 19)
Net income
Basic earnings per weighted-average common and common-equivalent share:
Earnings Per Share, Basic [Abstract]
Net income from continuing operations (in dollars per share)
Income (Loss) from Continuing Operations, Per Basic Share
Net income from discontinued operations (in dollars per share)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share
Net income (in dollars per share)
Earnings Per Share, Basic
Diluted earnings per weighted-average common and common-equivalent share:
Earnings Per Share, Diluted [Abstract]
Net income from continuing operations (in dollars per share)
Income (Loss) from Continuing Operations, Per Diluted Share
Net income from discontinued operations (in dollars per share)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share
Net income (in dollars per share)
Earnings Per Share, Diluted
Weighted-average common and common-equivalent 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
Cash dividends per common share (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
Document Documentand Entity Information [Abstract]
Document Documentand Entity Information [Abstract]
Document Information [Table]
Document Information [Table]
Entity Information [Line Items]
Entity Information [Line Items]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Trading Symbol
Trading Symbol
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Current Reporting Status
Entity Current Reporting Status
Entity Voluntary Filers
Entity Voluntary Filers
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Public Float
Entity Public Float
2016
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2017
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2018
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2019
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Future minimum rental payments under lease agreements
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2016
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2017
Operating Leases, Future Minimum Payments, Due in Two Years
2018
Operating Leases, Future Minimum Payments, Due in Three Years
2019
Operating Leases, Future Minimum Payments, Due in Four Years
2020
Operating Leases, Future Minimum Payments, Due in Five Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Total
Operating Leases, Future Minimum Payments Due
Subsequent Events
Subsequent Events [Text Block]
Segment and Geographic Information
Segment Reporting Disclosure [Text Block]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Inputs, Level 1 [Member]
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value by Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurements, Recurring [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets:
Assets, Fair Value Disclosure [Abstract]
Money market instruments
Money Market Instruments Fair Value Disclosure
Money market instruments fair value disclosure.
Corporate bonds
Corporate Bonds Fair Value Disclosure
Corporate bonds fair value disclosure.
Treasury bills
Treasury Bills Fair Value Disclosure
Treasury bills fair value disclosure.
Asset-backed securities
Euro liquidity funds
Euro liquidity funds
A pool that invests in investment grade bonds
Sovereign bonds
Sovereign Bonds Fair Value Disclosure
Sovereign bonds fair value disclosure.
Agency bonds
Agency Bonds Fair Value Disclosure
Agency bonds fair value disclosure.
Municipal bonds
Municipal Bonds Fair Value Disclosure
Municipal bonds fair value disclosure.
Cash flow hedge forward contracts
Foreign Currency Cash Flow Hedge Asset at Fair Value
Economic hedge forward contracts
Foreign Currency Contract, Asset, Fair Value Disclosure
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Cash flow hedge forward contracts
Foreign Currency Cash Flow Hedge Liability at Fair Value
Economic hedge forward contracts
Foreign Currency Contracts, Liability, Fair Value Disclosure
Contingent consideration liability (Note 20)
Business Combination, Contingent Consideration, Liability
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net, non current
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net, non current
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net, non current
Valuation and Qualifying Accounts [Abstract]
Valuation and Qualifying Accounts Disclosure [Table]
Valuation and Qualifying Accounts Disclosure [Table]
Valuation Allowances and Reserves Type [Axis]
Valuation Allowances and Reserves Type [Axis]
Valuation Allowances and Reserves [Domain]
Valuation Allowances and Reserves [Domain]
Reserve for Uncollectible Accounts [Member]
Uncollectible Receivables [Member]
Reserve for Inventory Obsolescence [Member]
Inventory Valuation Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation and Qualifying Accounts Disclosure [Line Items]
Movement in Valuation Allowances and Reserves [Roll Forward]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period
Valuation Allowances and Reserves, Balance
Charged to Costs and Expenses
Valuation Allowances and Reserves, Charged to Cost and Expense
Deductions
Valuation Allowances and Reserves, Deductions
Other
Valuation Allowances and Reserves, Adjustments
Balance at End of Period
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Employee Savings Plan
Pension and Other Postretirement Benefits Disclosure [Text Block]
Maturities of forward of contracts
Maximum Remaining Maturity of Foreign Currency Derivatives
Maturities of foreign currency forward contracts
Maximum Length of Time Hedged in Cash Flow Hedge
Net gains expected to be reclassified from accumulated other comprehensive income (loss)
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months
Operating Activities [Axis]
Operating Activities [Axis]
Operating Activities [Domain]
Operating Activities [Domain]
Disposal Group, Including Discontinued Operation, Consideration
Disposal Group, Including Discontinued Operation, Consideration
Disposal Group, Including Discontinued Operations, Transaction Costs
Disposal Group, Including Discontinued Operations, Transaction Costs
Disposal Group, Including Discontinued Operations, Transaction Costs
Allocated Share-based Compensation Expense
Income tax expense on discontinued operations
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation
Constituents of Accrued Expenses
Schedule of Accrued Liabilities [Table Text Block]
Changes in Warranty Obligations
Schedule of Product Warranty Liability [Table Text Block]
Calculation of Weighted Average Shares
Schedule of Weighted Average Number of Shares [Table Text Block]
Cash flow hedges:
Cash flows hedges [Abstract]
Cash flows hedges [Abstract]
Net unrealized gain (loss), net of tax of $22, $0, and $13 in 2015, 2014, and 2013, respectively
Net change related to cash flow hedges
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
Available-for-sale investments:
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract]
Net unrealized gain (loss), net of tax of ($279), $40, and ($147) in 2015, 2014, and 2013, respectively
Reclassification of net realized (gain) loss into current operations
Net change related to available-for-sale investments
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent
Foreign currency translation adjustments:
Currency translation adjustment [Abstract]
Currency translation adjustment [Abstract]
Foreign currency translation adjustments, net of tax of ($711), ($870), and $22 in 2015, 2014, and 2013, respectively
Net change related to foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Total comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments, Gain (Loss) [Table]
Accumulated other comprehensive income (loss), net of tax
Product Revenue
Sales Revenue, Goods, Net [Member]
Research, development, and engineering expenses
Research and Development Expense [Member]
Selling, general and administrative expenses
General and Administrative Expense [Member]
Foreign currency gain (loss)
Foreign Currency Gain (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recorded in shareholders' equity (effective portion)
Gains (losses) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net
Total gains (losses) reclassified from accumulated other comprehensive income (loss) into net income
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Gains (losses) recognized in net income on derivatives (ineffective portion and discontinued derivatives)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net
Gains (losses) recognized in net income
Derivative, Gain (Loss) on Derivative, Net
Advertising costs
Advertising Expense
Basic weighted-average common shares outstanding
Effect of dilutive stock options
Weighted Average Number Diluted Shares Outstanding Adjustment
Diluted weighted-average common and common-equivalent shares outstanding
Fair Value, Less than 12 months
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Unrealized Losses, Less than 12 months
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Fair Value, Greater than 12 Months
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Unrealized Losses, Greater than 12 Months
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss
Property, Plant, and Equipment
Property, Plant and Equipment [Table Text Block]
Balance of reserve for income taxes
Unrecognized Tax Benefits
Gross amounts of decreases in unrecognized tax benefits as a result of tax positions taken in prior periods
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
Unrecognized Tax Benefits, Period Increase (Decrease)
Unrecognized Tax Benefits, Period Increase (Decrease)
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Gross amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
Balance of reserve for income taxes
Discontinued Operations
Discontinued Operations, Policy [Policy Text Block]
Cash, Cash Equivalents, and Investments
Investments in Debt and Equity Instruments, Cash and Cash Equivalents, Unrealized and Realized Gains (Losses) [Text Block]
Guarantees [Abstract]
Indemnification Provisions
Indemnification Provisions [Text Block]
Indemnification provisions are a potential liability whereby the Company indemnifies certain directors, officers, and employees (current or former) against expenses incurred by them in relation to specific legal proceedings. The company also indemnifies other parties for specific situations.
Movement in Standard Product Warranty Accrual [Roll Forward]
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning Balance
Product Warranty Accrual
Provisions for warranties issued during the period
Product Warranty Accrual, Warranties Issued
Fulfillment of warranty obligations
Product Warranty Accrual, Payments
Foreign exchange rate changes
Product Warranty Accrual, Currency Translation, Increase (Decrease)
Ending Balance
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Accounts receivable, less reserves of $736 and $820 in 2015 and 2014, respectively
Accounts Receivable, Net, Current
Inventories
Deferred income taxes
Deferred Tax Assets, Net of Valuation Allowance, Current
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Held for sale assets (Note 19)
Total current assets
Assets, Current
Property, plant, and equipment, net
Intangible assets, net
Deferred income taxes
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent
Other assets
Other Assets, Noncurrent
Total assets
Assets
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued expenses
Accrued income taxes
Accrued Income Taxes, Current
Deferred income taxes
Deferred Tax Liabilities, Net, Current
Deferred revenue and customer deposits
Deferred Revenue and Credits, Current
Held for sale liabilities (Note 19)
Total current liabilities
Liabilities, Current
Other non-current liabilities
Other Liabilities, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 10)
Commitments and Contingencies
Shareholders’ equity:
Stockholders' Equity Attributable to Parent [Abstract]
Common stock, $.002 par value – Authorized: 140,000 shares, issued and outstanding: 84,856 and 86,542 shares in 2015 and 2014, respectively
Common Stock, Value, Outstanding
Additional paid-in capital
Additional Paid in Capital, Common Stock
Retained earnings
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive loss, net of tax
Total shareholders’ equity
Total liabilities and shareholders' equity
Liabilities and Equity
Nature of Operations
Nature Of Operations [Policy Text Block]
Nature of Operations.
Use of Estimates in the Preparation of Financial Statements
Use of Estimates, Policy [Policy Text Block]
Basis of Consolidation
Consolidation, Policy [Policy Text Block]
Foreign Currency
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Fair Value Measurements
Fair Value of Financial Instruments, Policy [Policy Text Block]
Cash, Cash Equivalents, and Investments
Cash and Cash Equivalents, Policy [Policy Text Block]
Accounts Receivable
Receivables, Policy [Policy Text Block]
Inventories
Inventory, Policy [Policy Text Block]
Property, Plant, and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Intangible Assets
Intangible Assets, Finite-Lived, Policy [Policy Text Block]
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Warranty Obligations
Standard Product Warranty, Policy [Policy Text Block]
Contingencies
Commitments and Contingencies, Policy [Policy Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Research and Development
Research, Development, and Computer Software, Policy [Policy Text Block]
Advertising Costs
Advertising Costs, Policy [Policy Text Block]
Stock-Based Compensation
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Taxes
Income Tax, Policy [Policy Text Block]
Net Income Per Share
Earnings Per Share, Policy [Policy Text Block]
Comprehensive Income
Comprehensive Income, Policy [Policy Text Block]
Concentrations of Risk
Concentrations Of Risk Policy [Policy Text Block]
Concentrations of Risk.
Derivative Instruments
Derivatives, Policy [Policy Text Block]
Constituents of Provision for Income Taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Reconciliation of the United States Federal Statutory Corporate Tax Rate to the Company's Effective Tax Rate or Income Tax Provision
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Changes in the Reserve for Income Taxes, Excluding Interest and Penalties
Summary of Income Tax Contingencies [Table Text Block]
Constituents of Deferred Tax Assets
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
United States [Member]
UNITED STATES
Greater China [Member]
Greater China [Member]
Greater China [Member]
Other [Member]
Other Geographic Area [Member]
Other Geographic Area [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue
Sales Revenue, Goods, Net
Long-lived assets
Long-Lived Assets
Business Combination, Consideration Transferred
Business Combination, Consideration Transferred
Contingent consideration payments, maximum years
contingent consideration payments, maximum years
contingent consideration payments, maximum years
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Business Combination, Liabilities Arising from Contingencies, Amount Recognized
Business Combination, Liabilities Arising from Contingencies, Amount Recognized
Contingent consideration liability (Note 20)
Revaluation of contingent consideration
Business Combination, Contingent Consideration, Liability, Current
Business Combination, Contingent Consideration, Liability, Current
Business Combination, Contingent Consideration, Liability, Noncurrent
Business Combination, Contingent Consideration, Liability, Noncurrent
Developer network amortization, years
Developer network amortization, years
Developer network amortization, years
completed technology amortization, years
completed technology amortization, years
completed technology amortization, years
Valuation Allowances and Reserves, Balance
Common stock par value, in dollars per share
Common Stock, Par or Stated Value Per Share
Common stock, shares authorized
Common Stock, Shares Authorized
Common stock, shares issued
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Derivative Instruments
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Shareholders’ Equity
Stockholders' Equity Note Disclosure [Text Block]
Schedule II - Valuation and Qualifying Accounts
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Cash balance included foreign bank balance
Due From Foreign Banks
Due from foreign banks.
Gross realized gains on sale of debt securities
Available-for-sale Securities, Gross Realized Gains
Gross realized losses on sale of debt securities
Available-for-sale Securities, Gross Realized Losses
Maximum amount committed to invest in limited partnership
Maximum Investment In Limited Partnership
Maximum amount committed to invest in limited partnership.
Contribution to limited partnership
Contribution To Limited Partnership
Contribution to limited partnership.
Remaining amount of commitment in limited partnership
Remaining Amount Of Commitment
Remaining amount of commitment in limited partnership.
Proceeds from Limited Partnership Investments
Proceeds from Limited Partnership Investments
Carrying value of investment
Cost Method Investments, Fair Value Disclosure
Cost Method Investments, Fair Value Disclosure
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]
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]
Product cost of revenue [Member]
Product Cost Of Revenue [Member]
Product cost of revenue.
Selling, general, and administrative [Member]
Selling General And Administrative [Member]
Selling, general, and administrative.
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Schedule of Indefinite-lived Intangible Assets Acquired as Part of Business Combination
Schedule of Indefinite-lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]
Income tax provision at federal statutory corporate tax rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
State income taxes, net of federal benefit
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Foreign tax rate differential
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Tax credit
Effective Income Tax Rate Reconciliation, Tax Credit, Percent
Discrete tax events
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
Other
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Income tax provision on continuing operations
Effective Income Tax Rate Reconciliation, Percent