Quarterly Financial Information Disclosure [Abstract] Excess tax benefit from share-based compensation recognized as a benefit to income taxes Effective Income Tax Rate Reconciliation, Share-Based Compensation, Excess Tax Benefit, Amount Effective Income Tax Rate Reconciliation, Share-Based Compensation, Excess Tax Benefit, Amount Unaudited consolidated quarterly statements of operations data Selected Quarterly Financial Information [Abstract] Net revenues Revenues Gross margin Gross Profit Income from operations Operating Income (Loss) Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax provision (1) Income Tax Expense (Benefit) Income (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Loss from discontinued operations, net of income taxes Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net income (loss) Net Income (Loss) Attributable to Parent Loss from discontinued operations, net of income taxes Earnings Per Share [Abstract] Basic net earnings (loss) per share: Earnings Per Share, Basic [Abstract] (Loss) income from continuing operations (dollars per share) Income (Loss) from Continuing Operations, Per Basic Share (Loss) income from discontinued operations (dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Basic net (loss) earnings per share (dollars per share) Earnings Per Share, Basic Diluted net earnings (loss) per share: Earnings Per Share, Diluted [Abstract] (Loss) income from continuing operations (dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share (Loss) income from discontinued operations (dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Diluted net (loss) earnings per share (dollars per share) Earnings Per Share, Diluted Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] SEWIP Program [Member] SEWIP Program [Member] SEWIP Program [Member] Aegis Program [Member] Aegis Program [Member] Aegis Program [Member] F-35 Program [Member] F-35 Program [Member] F-35 Program [Member] Patriot Program [Member] Patriot Program [Member] Patriot Program [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Net [Member] Sales Revenue, Net [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Program Concentration Risk [Member] Program Concentration Risk [Member] Program Concentration Risk [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Concentration risk, percent Concentration Risk, Percentage Discontinued Operations and Disposal Groups [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Group Name [Domain] MIS [Member] Mercury Intelligence Systems Business Unit [Member] Mercury Intelligence Systems Business Unit [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Depreciation Disposal Group, Including Discontinued Operation, Depreciation Disposal Group, Including Discontinued Operation, Depreciation Amortization of intangible assets Disposal Group, Including Discontinued Operation, Amortization Disposal Group, Including Discontinued Operation, Amortization Capital expenditures Disposal Group, Including Discontinued Operation, Capital Expenditures Disposal Group, Including Discontinued Operation, Capital Expenditures Impairment of goodwill Disposal Group, Including Discontinued Operation, Impairment of Goodwill Disposal Group, Including Discontinued Operation, Impairment of Goodwill Stock-based compensation expense Disposal Group, Including Discontinued Operation, Share-based Compensation Disposal Group, Including Discontinued Operation, Share-based Compensation Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Property, Plant and Equipment [Abstract] Current portion Sale Leaseback Transaction Deferred Gain Current Portion The current portion of the gain that will be recorded as income or a reduction in rent expense in future periods. Non-current portion Sale Leaseback Transaction Deferred Gain Long Term The long term portion of the gain that will be recorded as income or reduction in rent expense in future periods. Total unamortized deferred gain Sale Leaseback Transaction Deferred Gain Total The portion of the gain that will be recorded as income or a reduction in rent expense in future periods. Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Income Tax Disclosure [Abstract] Components of Income Before Income Taxes and Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Reconciliation Between Statutory Federal Income Tax Rate and Effective Income Tax Rate from Continuing Operations Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Components of Net Deferred Tax Assets (Liabilities) Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Reserves for Unrecognized Income Tax Benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type Award Type [Axis] Award Type [Domain] Equity Award [Domain] Restricted Stock Restricted Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Beginning Balance 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 Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Ending Balance Weighted Average Grant Date Fair Value (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 [Abstract] Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Ending Balance Debt Disclosure [Abstract] Long-term Debt, Gross Long-term Debt, Gross Line of Credit Facility [Table] Line of Credit Facility [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Unsecured Credit Facilities Senior Unsecured Credit Facilities [Member] Senior Unsecured Credit Facilities [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] KeyBank National Association KeyBank National Association [Member] KeyBank National Association [Member] Range Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Term Loan Term Loan [Member] Term Loan [Member] Revolver Revolving Credit Facility [Member] Credit Agreement Credit Agreement [Member] Credit Agreement [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Debt Issuance Costs, Gross Debt Issuance Costs, Gross Debt issuance costs Debt Issuance Costs, Line of Credit Arrangements, Gross Debt instrument borrowing term Debt Instrument, Term Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Commitment fee Line of Credit Facility, Commitment Fee Percentage Quarterly amortization payments Quarterly Amortization Payments, Percentage Quarterly Amortization Payments, Percentage Amortization term of Credit Facility Amortization Term of Credit Facility Amortization Term of Credit Facility Collateral, capital stock Collateral Capital Stock Collateral Capital Stock Restructuring and Related Activities [Abstract] Expenses by Business Segment for Restructuring Plans Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Minimum likelihood of tax benefits being recognized upon ultimate settlement Percentage Of Income Tax Examination Minimum Likelihood Of Tax Benefits Being Realized Upon Settlement Percentage Of Income Tax Examination Minimum Likelihood of Tax Benefits Being Realized Upon Settlement Income Statement [Abstract] Cost of revenues Cost of Revenue Gross margin Operating expenses: Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Research and development Research and Development Expense Amortization of intangible assets Amortization of Intangible Assets Restructuring and other charges Restructuring Charges, Net Restructuring Charges, Net Impairment of Long-Lived Assets Held-for-use Impairment of Long-Lived Assets Held-for-use Acquisition costs and other related expenses Business Combination, Acquisition Related Costs Total operating expenses Operating Expenses Income (loss) from operations Interest income Investment Income, Interest Interest expense Interest Expense Other income, net Other Nonoperating Income (Expense) Income (loss) from continuing operations before income taxes Tax provision (benefit) Weighted-average shares outstanding: Weighted Average Number Basic And Diluted Shares Outstanding [Abstract] Weighted Average Number Basic And Diluted, Shares Outstanding [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Net income (loss) Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Net unrealized (loss) gain on investments Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Goodwill and Intangible Assets Disclosure [Abstract] Changes in Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Equity [Abstract] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] Over-Allotment Option Over-Allotment Option [Member] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Preferred stock shares authorized to issue Preferred Stock, Shares Authorized Preferred stock shares par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Shares available for offering Common Stock, Shares Subscribed but Unissued Shares sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Consideration received on transaction Sale of Stock, Consideration Received on Transaction Offering costs Deferred Offering Costs Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of revenues Cost of Sales [Member] Selling, general and administrative Selling, General and Administrative Expenses [Member] Research and development Research and Development Expense [Member] Stock-based compensation expense Allocated Share-based Compensation Expense Income taxes Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Share-based compensation expense, net of income taxes Allocated Share-based Compensation Expense, Net of Tax Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Domestic Tax Authority Domestic Tax Authority [Member] State and Local Jurisdiction State and Local Jurisdiction [Member] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Research and development credit carryforwards Research Tax Credit Carryforward [Member] Investment Tax Credit Carryforward Investment Tax Credit Carryforward [Member] Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Tax credit carryforwards Tax Credit Carryforward, Amount Tax carryforward expiration year Tax Credit Carryforward Expiration Year Tax Credit Carryforward, Expiration Year Accrued deferred taxes, undistributed earnings and profits Deferred Tax Liabilities, Undistributed Foreign Earnings Consolidated Quarterly Statements of Operations Quarterly Financial Information [Table Text Block] Statement of Financial Position [Abstract] Accounts receivable, allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Preferred stock, par value (in dollars per share) Preferred stock, shares authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding 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, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Computer equipment and software Computers Equipment And Software [Member] Computers Equipment And Software [Member] Furniture and fixtures Furniture and Fixtures [Member] Leasehold improvements Leasehold Improvements [Member] Machinery and equipment Machinery and Equipment [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property and equipment, estimated useful lives Property, Plant and Equipment, Useful Life Property and equipment, estimated useful lives Property, Plant and Equipment, Estimated Useful Lives Property and equipment, gross Property, Plant and Equipment, Gross Less: accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net Property, Plant and Equipment, Net Inventory Disclosure [Abstract] Increase in inventory primarily due to inclusion of inventory from acquisition Increase (Decrease) In Inventories Including Assets Acquired Increase (Decrease) In Inventories Including Assets Acquired Inventory for long-term contracts or programs Inventory for Long-term Contracts or Programs, Gross Operating Segment, Geographic Information and Significant Customers Segment Reporting Disclosure [Text Block] Principles Of Consolidation Consolidation, Policy [Policy Text Block] Business Combinations Business Combinations Policy [Policy Text Block] Use Of Estimates Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Cash And Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurement, Policy [Policy Text Block] Concentration Of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Inventory Inventory, Policy [Policy Text Block] Goodwill And Acquired Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Property And Equipment Property, Plant and Equipment, Policy [Policy Text Block] Deferred Revenues And Customer Advances Revenue Recognition, Deferred Revenue [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Product Warranty Accrual Standard Product Warranty, Policy [Policy Text Block] Research And Development Costs Research and Development Expense, Policy [Policy Text Block] Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Segment Reporting, Policy [Policy Text Block] Segment Reporting, Policy [Policy Text Block] Retirement of Common Stock Stockholders' Equity, Policy [Policy Text Block] Net Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Accumulated Other Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Concentration Risk [Table] Concentration Risk [Table] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Accounts Receivable, Unbilled Receivables, and Costs in Excess of Billings [Member] Accounts Receivable, Unbilled Receivables, and Costs in Excess of Billings [Member] Accounts Receivable, Unbilled Receivables, and Costs in Excess of Billings [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Cash and cash equivalent Cash, Cash Equivalents, and Short-term Investments Concentration risk, number Concentration Risk, Number Concentration Risk, Number Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income, Available-for-sale securities gains (losses) Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Revenues Major Customers Customer [Axis] Name of Major Customer [Domain] Customer [Domain] Lockheed Martin Corporation Lockheed Martin Corporation [Member] Lockheed Martin Corporation [Member] Raytheon Company Raytheon Company [Member] Raytheon Company [Member] Northrop Grumman Corporation [Member] Northrop Grumman Corporation [Member] Northrop Grumman Corporation [Member] Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Compensation and Retirement Disclosure [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Employee Contribution of eligible compensation Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Defined Contribution Plan, Employer Discretionary Contribution Amount Defined Contribution Plan, Employer Discretionary Contribution Amount Employee Benefit Plans Compensation and Employee Benefit Plans [Text Block] Basic weighted-average shares outstanding Effect of dilutive equity instruments Weighted Average Number Diluted Shares Outstanding Adjustment Diluted weighted-average shares outstanding Commitments and Contingencies Disclosure [Abstract] Long-term Purchase Commitment [Table] Long-term Purchase Commitment [Table] Category of Item Purchased Category of Item Purchased [Axis] Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-term Purchase Commitment, Category of Item Purchased [Domain] Non-cancelable purchase commitments Non Cancelable Purchase Commitments [Member] Non Cancelable Purchase Commitments [Member] Long-term Purchase Commitment [Line Items] Long-term Purchase Commitment [Line Items] Purchase commitments for less than one year Purchase Commitment, Remaining Minimum Amount Committed Rental expenses Operating Leases, Rent Expense, Net Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Acquired intangible assets, estimated useful lives Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Stock Options Employee Stock Option [Member] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at beginning of period 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 Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Outstanding at end of period Vested and expected to vest at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Weighted Average Exercise Price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding at beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Outstanding at end of period Vested and expected to vest at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Weighted Average Remaining Contractual Term (Years) Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] Outstanding at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Vested and expected to vest at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Outstanding at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Vested and expected to vest at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Restricted cash Restricted Cash and Cash Equivalents, Noncurrent 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 Total Inventory, Net Disposal Group, Including Discontinued Operation, Consideration Disposal Group, Including Discontinued Operation, Consideration Proceeds from Divestiture of Businesses Proceeds from Divestiture of Businesses Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Intangible Assets Intangible Assets Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Statement [Table] Statement [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Carve-Out Business [Member] Carve-Out Business [Member] Carve-Out Business [Member] Lewis Innovative Technologies [Member] Lewis Innovative Technologies [Member] Lewis Innovative Technologies [Member] Statement [Line Items] Statement [Line Items] Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross Number of programs using products and services, more than 300 Nature of Business, Number of Programs Using Products and Services Nature of Business, Number of Programs Using Products and Services Number of contractors using products and services, more than 25 Nature of Business, Number of Contractors Using Products and Services Nature of Business, Number of Contractors Using Products and Services Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Interest expense, net Interest Income (Expense), Net Tax provision (benefit) Depreciation Depreciation Restructuring and other charges Restructuring Charges Acquisition and Financing Costs Acquisition and Financing Costs Acquisition and Financing Costs Fair value adjustments from purchase accounting Fair Value Adjustments From Purchase Accounting Adjustments to the statement of operations as a result of fair value adjustment to assets and liabilities derived in a business combination. Adjusted EBITDA Adjusted Earnings Before Interest Taxes Depreciation And Amortization Tabular disclosure of adjusted EBITDA. Adjusted EBITDA is defined as earnings from continuing operations before interest income and expense, income taxes, depreciation, amortization of acquired intangible assets, restructuring, impairment of long-lived assets, acquisition costs and other related expenses, fair value adjustments from purchase accounting and stock-based compensation costs. Inventory Inventory Disclosure [Text Block] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Basic and Diluted Weighted Average Shares Outstanding Schedule of Weighted Average Number of Shares [Table Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Income (loss) from continuing operations before income taxes: Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract] United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Tax provision (benefit): Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal: Federal Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current Federal Tax Expense (Benefit) Deferred Deferred Federal Income Tax Expense (Benefit) Federal Income Tax Expense (Benefit), Continuing Operations, Total Federal Income Tax Expense (Benefit), Continuing Operations State: State and Local Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current State and Local Tax Expense (Benefit) Deferred Deferred State and Local Income Tax Expense (Benefit) State and Local Income Tax Expense (Benefit), Continuing Operations, Total State and Local Income Tax Expense (Benefit), Continuing Operations Foreign: Foreign Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current Foreign Tax Expense (Benefit) Deferred Deferred Foreign Income Tax Expense (Benefit) Foreign, Income Tax expense benefit Foreign Income Tax Expense (Benefit), Continuing Operations Income tax expense (benefit) Restructuring Plan Restructuring and Related Activities Disclosure [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition Carve-Out Business Business Acquisition [Line Items] Business Acquisition [Line Items] Pro forma net revenues Business Acquisition, Pro Forma Revenue Pro forma net income Business Acquisition, Pro Forma Net Income (Loss) Basic pro forma net earnings per share (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Diluted pro forma net earnings per share (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Capitalized software development cost Capitalized Computer Software, Additions Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Segment Reconciling Items [Member] Segment Reconciling Items [Member] Intersegment Eliminations [Member] Intersegment Eliminations [Member] Operating Segments [Member] Operating Segments [Member] Business Segments Segments [Axis] Segment [Domain] Segments [Domain] MCE Mercury Commercial Electronics [Member] Mercury Commercial Electronics [Member] MDS Mercury Defense Systems [Member] Mercury Defense Systems [Member] Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] 2014 Plan Member] Restructuring Plan, 2014 [Member] Restructuring Plan, 2014 [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Number of facilities closed Restructuring and Related Cost, Number of Facilities Closed Restructuring and Related Cost, Number of Facilities Closed Loss on sale of Hudson building Gain (Loss) on Disposition of Property Plant Equipment Summary of Stock Option Plans Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of Nonvested Restricted Stock Schedule of Nonvested Share Activity [Table Text Block] Stock Based Compensation Expenses Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Weighed-Average Key Assumptions and Fair Value Results for Stock Options Granted Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Unrecognized tax benefits, beginning of period Unrecognized Tax Benefits Increases for previously recognized positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Reductions as a result of a lapse of the applicable statue of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Increases for currently recognized positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Reductions for previously recognized positions deemed effectively settled Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions Deemed Effectively Settled Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions Deemed Effectively Settled Reductions for previously recognized positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Unrecognized tax benefits, end of period Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Significant change in unrecognized tax benefits reasonably possible Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued interest and penalties recognized Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Nonmonetary Transaction Type [Axis] Nonmonetary Transaction Type [Axis] Nonmonetary Transaction Type [Domain] Nonmonetary Transaction Type [Domain] Additional Shares Authorized During 2014 Annual Meeting of Shareholders [Member] Additional Shares Authorized During 2014 Annual Meeting of Shareholders [Member] Additional Shares Authorized During 2014 Annual Meeting of Shareholders [Member] Additional Shares Resulting From Forfeitures, Cancellations and/or Terminations from 1997 Stock Option Plan [Member] Additional Shares Resulting From Forfeitures, Cancellations and/or Terminations from 1997 Stock Option Plan [Member] Additional Shares Resulting From Forfeitures, Cancellations and/or Terminations from 1997 Stock Option Plan [Member] Performance Shares [Member] Performance Shares [Member] 1997 Employee Stock Purchase Plan Employee Stock [Member] Plan Name Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2005 Stock Incentive Plan Stock Option Plan Twenty Zero Five [Member] Stock Option Plan, Twenty Zero Five [Member] Stock Option Plan 1997 Stock Option Plan Nineteen Ninety Seven [Member] Stock Option Plan 1997 [Member] Micronetics [Member] Micronetics [Member] Micronetics [Member] Shares authorized for issuance under stock incentive plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Increase in share authorized under stock incentive plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Exercise price of stock option, percentage Minimum Grant Date Fair Value Of Nonqualified Stock Options As Percentage Of Fair Value Of Common Stock Minimum Grant Date Fair Value Of Nonqualified Stock Options As Percentage Of Fair Value Of Common Stock Term of awards Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Shares available for future grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Term of stock option Share Based Compensation Arrangement By Share Based Payment Award Contractual Life Maximum number of years for the company's stock options before they expire. Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Options, vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period Purchase price as a percentage of the lesser of the market value of such shares at either the beginning or the end of each nine-month offering period Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date Percentage of employee compensation that may be uses to purchase common stock through payroll deductions, maximum Employee Stock Purchase Plan Maximum Percentage Of Compensation To Purchase Shares By Eligible Participants Employee Stock Purchase Plan, Maximum Percentage of Compensation to Purchase Shares By Eligible Participants Number of share options granted Intrinsic value of the options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Unrecognized compensation cost related to non-vested options granted Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Unrecognized compensation, period of recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Restricted stock granted Total fair value of restricted stock awards vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Unrecognized compensation cost related to non-vested restricted stock Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Description of Business Nature of Operations [Text Block] Lewis Innovative Technologies Consideration transferred Business Combination, Consideration Transferred [Abstract] Cash paid at closing Value allocated to replacement awards Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Working capital adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Less cash and cash equivalents acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Net purchase price Business Combination, Consideration Transferred Estimated fair value of tangible assets acquired and liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Cash and cash equivalents Accounts receivable and cost in excess of billings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Fixed assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Other current and non-current assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Assets, Current And Noncurrent Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Assets, Current And Noncurrent Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Non-current deferred tax liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Estimated fair value of net tangible assets acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Tangible Assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Tangible Assets Estimated fair value of identifiable intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Estimated goodwill Goodwill Estimated fair value of assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Common stock excluded from diluted earning per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Goodwill Goodwill Disclosure [Text Block] Reportable Geographical Components [Member] Reportable Geographical Components [Member] Geography Eliminations [Member] Geography Eliminations [Member] Geographical Geographical [Axis] Geographical [Domain] Geographical [Domain] US UNITED STATES Europe Europe [Member] Asia Pacific Asia Pacific [Member] Net revenues to unaffiliated customers Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign Countries Disclosure of material amounts of revenues from external customers by individual foreign country. In addition, an entity may provide subtotals of geographic information for specified groups of countries. Inter-geographic revenues Revenues From Transactions With Other Geographic Locations Of Same Entity Amount of revenue from transactions with other geographic locations of the same entity. Net revenues Identifiable long-lived assets Long-Lived Assets Weighted-average key assumptions and fair value results for stock options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted-average fair value of options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Option life Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Stock volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Dividend rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-term Debt [Table Text Block] Summary of Performance of Operations by Reportable Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciles Net Income, Most Directly Comparable GAAP Financial Measure to Adjusted EBITDA Schedule Of Reconciliation Of Net Income [Table Text Block] Tabular disclosure of the reconciliation from the entity's net income or loss to its adjusted EBITDA. Adjusted EBITDA is defined as earnings from continuing operations before interest income and expense, income taxes, depreciation, amortization of acquired intangible assets, restructuring, impairment of long-lived assets, acquisition costs and other related expenses, fair value adjustments from purchase accounting and stock-based compensation costs. Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Customers Comprising Ten Percent or more Revenues Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Property and Equipment Property, Plant and Equipment [Table Text Block] Unamortized Deferred Gain Schedule Of Unamortized Deferred Gain From Sale Leaseback Transactions Table [Table Text Block] Tabular disclosure of the unamortized deferred gain from the sale leaseback transaction as of the balance sheet dates. The amounts are separated by the current and non-current captions. Unamortized deferred gain is the portion of the gain that will be recorded as income or a reduction in rent expense in future periods. Schedule of Goodwill [Table] Schedule of Goodwill [Table] Micronetics Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning Balance Goodwill adjustments Goodwill, Period Increase (Decrease) Ending Balance Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Operating cash Cash and Cash Equivalents [Member] Certificates of Deposit [Member] Certificates of Deposit [Member] Restricted cash Restricted Cash [Member] Restricted Cash [Member] Cost-method Investments [Member] Cost-method Investments [Member] Long-term Debt [Member] Long-term Debt [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [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] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Assets: Assets, Fair Value Disclosure [Abstract] Fair value measurement disclosure Assets, Fair Value Disclosure Liabilities, Fair Value Disclosure, Recurring Liabilities, Fair Value Disclosure, Recurring Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] 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 Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Acquisitions Business Combination Disclosure [Text Block] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net of allowance for doubtful accounts of $92 and $56 at June 30, 2016 and 2015, respectively Accounts Receivable, Net, Current Unbilled receivables and cost in excess of billings Costs in Excess of Billings, Current Inventory Prepaid income taxes Prepaid Taxes Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Goodwill Acquired intangible assets, net Intangible Assets, Net (Excluding Goodwill) Net deferred tax asset Deferred Tax Assets, Net, Noncurrent Other non-current assets Other Assets, Noncurrent Non-current assets of discontinued operations Disposal Group, Including Discontinued Operation, 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 Liabilities, Current Accrued compensation Employee-related Liabilities, Current Deferred revenues and customer advances Deferred Revenue, Current Current liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Current Long-term Debt, Current Maturities Long-term Debt, Current Maturities Total current liabilities Liabilities, Current Deferred gain on sale-leaseback Sale Leaseback Transaction, Deferred Gain, Net Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Income taxes payable Accrued Income Taxes, Noncurrent Secured Long-term Debt, Noncurrent Secured Long-term Debt, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent Non-current liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Shareholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.01 par value; 1,000,000 shares authorized; no shares issued or outstanding Preferred Stock, Value, Issued Common stock, $0.01 par value; 85,000,000 shares authorized; 38,675,340 and 32,570,959 shares issued and outstanding at June 30, 2016 and 2015, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Total shareholders' equity Stockholders' Equity Attributable to Parent Total liabilities and shareholders' equity Liabilities and Equity Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Severance Severance [Member] Severance [Member] Other Members Other Members [Member] Other Members [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Restructuring liability at beginning of period Restructuring Reserve, Current Provisions Cash paid Payments for Restructuring Reversals Restructuring Reserve, Accrual Adjustment Restructuring liability at end period Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) 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 expense Depreciation, Depletion and Amortization Stock-based compensation expense Share-based Compensation Deferred income taxes Deferred Income Tax Expense (Benefit) Impairment of Long-Lived Assets Held-for-use Asset Impairment Charges Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Loss on sale of building Non-cash interest expense Paid-in-Kind Interest Other non-cash items Other Noncash Income (Expense) Changes in operating assets and liabilities, net of effects of businesses acquired: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, unbilled receivable, and cost in excess of billings Increase (Decrease) in Accounts Receivable Inventory Increase (Decrease) in Inventories Prepaid income taxes Increase (Decrease) in Prepaid Taxes Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense Other non-current assets Increase (Decrease) in Other Noncurrent Assets Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Deferred revenues and customer advances Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits Income taxes payable Increase (Decrease) in Income Taxes Payable Other non-current liabilities Increase (Decrease) in Other Noncurrent Liabilities 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] Acquisition of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of building Proceeds from Sale of Property, Plant, and Equipment Increase in other investing activities Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Proceeds from Issuance of Common Stock Proceeds from Issuance of Common Stock Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from employee stock plans Proceeds from Stock Options Exercised Stock Repurchased and Retired During Period, Value Payments for Repurchase of Common Stock Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Proceeds from issuance of term debt, net Proceeds from Issuance of Debt Payments of deferred financing costs Payments of Financing Costs Decrease in restricted cash Increase (Decrease) in Restricted Cash, Financing Activities Increase (Decrease) in Restricted Cash, Financing Activities Payments of capital lease obligations Repayments of Debt and Capital Lease Obligations Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes 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 at beginning of year Cash and cash equivalents at end of year Cash paid during the period for: Supplemental Cash Flow Information [Abstract] Interest Interest Paid Income taxes Income Taxes Paid, Net Supplemental disclosures-non-cash activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Issuance of restricted stock awards to employees Stock Issued Share-based business combination consideration Share-Based Compensation, Stock Options, Assumed Share-Based Compensation, Stock Options, Assumed Capital lease financings Capital Lease Obligations Incurred Payments of Debt Issuance Costs Payments of Debt Issuance Costs Schedule of Restricted Cash and Cash Equivalents [Table] Schedule of Restricted Cash and Cash Equivalents [Table] Restricted Cash and Cash Equivalents Items [Line Items] Restricted Cash and Cash Equivalents Items [Line Items] Maturity of cash and cash equivalents Cash And Cash Equivalent Maturity Period Represents the maximum original maturity period of investments classified as cash and cash equivalents at the date of acquisition. Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Accounts receivable, net Trade Receivables Held-for-sale, Net, Not Part of Disposal Group Unbilled receivables and costs in excess of billings Disposal Group, Including Discontinued Operations, Unbilled Receivables and Costs in Excess of Billings, Current Disposal Group, Including Discontinued Operations, Unbilled Receivables and Costs in Excess of Billings, Current Deferred income taxes Disposal Group, Including Discontinued Operation, Deferred Tax Asset, Current Prepaid expenses and other current assets Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current Property and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent Goodwill Disposal Group, Including Discontinued Operation, Goodwill, Noncurrent Intangible assets, net Disposal Group, Including Discontinued Operation, Intangible Assets, Noncurrent Other non-current assets Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets Accounts payable Disposal Group, Including Discontinued Operation, Accounts Payable, Current Accrued expenses Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current Accrued compensation Disposal Group, Including Discontinued Operation, Employee-related Liabilities, Current Disposal Group, Including Discontinued Operation, Employee-related Liabilities, Current Deferred income taxes Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities, Noncurrent Liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities Number of components within operating segment Number of Components Within Operating Segment Number of Components Within Operating Segment Schedule of Components of Deferred Tax Provision [Table] Schedule Of Components Of Deferred Tax Provision [Table] Schedule of Components of Deferred Tax Provision [Table] Deferred Tax Assets and Liabilities [Axis] Deferred Tax Assets And Liabilities [Axis] Deferred Tax Assets and Liabilities [Axis] Deferred Tax Assets and Liabilities [Domain] Deferred Tax Assets And Liabilities [Domain] Deferred Tax Assets and Liabilities [Domain] Other Amortizable Assets Other Amortizable Assets [Member] Other Amortizable Assets [Member] Schedule of Components of Deferred Tax Provision [Line Items] Schedule Of Components Of Deferred Tax Provision [Line Items] Schedule of Components of Deferred Tax Provision [Line Items] Deferred tax assets: Deferred Tax Assets, Net [Abstract] Inventory valuation and receivable allowances Deferred Tax Assets Inventory Valuation And Receivable Allowances Amount before allocation of valuation allowances of deferred tax asset attributed to inventory valuation and receivable allowances. Accrued compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Equity compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Federal and state research and development tax credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Research Gain on sale-leaseback Deferred Tax Assets, Deferred Gain on Sale Leaseback Transaction Other accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Deferred Tax Assets, Capital Loss Carryforwards Deferred Tax Assets, Capital Loss Carryforwards Other temporary differences Deferred Tax Assets, Other Deferred tax Asset Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Total deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Deferred revenue Deferred Tax Liabilities, Prepaid Expenses Property and equipment depreciation Deferred Tax Liabilities, Property, Plant and Equipment Acquired intangible assets Deferred Tax Liabilities, Goodwill and Intangible Assets Tax method of accounting change Deferred Tax Liability, Change in Tax Method Accounting Deferred Tax Liability, Change in Tax Method Accounting Other temporary differences Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred tax (liabilities) assets Deferred Tax Liabilities, Net Net deferred tax (liabilities) assets Deferred Tax Assets, Net Current deferred tax assets Deferred Tax Assets, Net of Valuation Allowance, Current Non-current deferred tax assets Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Non-current deferred tax assets Minimum Lease Payments under Non Cancelable Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Business Acquisition Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Balance Prior to Adoption Scenario, Previously Reported [Member] As Adjusted Restatement Adjustment [Member] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Increase / (Decrease) Adjustment [Member] Adjustment [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Current Assets Other Current Assets [Member] Other Noncurrent Assets Other Noncurrent Assets [Member] Other Noncurrent Liabilities Other Noncurrent Liabilities [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Deferred tax assets net Deferred tax liabilities net Net deferred tax asset 2017 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2018 Long-term Debt, Maturities, Repayments of Principal in Year Two 2019 Long-term Debt, Maturities, Repayments of Principal in Year Three 2020 Long-term Debt, Maturities, Repayments of Principal in Year Four 2021 Long-term Debt, Maturities, Repayments of Principal in Year Five Total remaining cash payment obligations Long-term Debt Debt Issuance Costs, Net Debt Issuance Costs, Net Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Net revenues of discontinued operations Disposal Group, Including Discontinued Operation, Revenue Costs of discontinued operations: Disposal Group, Including Discontinued Operation, Costs [Abstract] Disposal Group, Including Discontinued Operation, Costs [Abstract] Cost of revenues Disposal Group, Including Discontinued Operation, Costs of Goods Sold Selling, general and administrative Disposal Group, Including Discontinued Operation, Selling, General and Administrative Expense Disposal Group, Including Discontinued Operation, Selling, General and Administrative Expense Research and development Disposal Group, Including Discontinued Operation, Research and Development Disposal Group, Including Discontinued Operation, Research and Development Restructuring and other charges Disposal Group, Including Discontinued Operation, Restructuring and Other Costs Disposal Group, Including Discontinued Operation, Restructuring and Other Loss from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Tax benefit Discontinued Operation, Tax Effect of Discontinued Operation Loss from discontinued operations, net of income taxes Summary of Financial Assets Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Income taxes at federal statutory rates Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State income tax, net of federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Research and development credits Effective Income Tax Rate Reconciliation, Nondeductible Expense, Research and Development, Percent Excess tax benefits on stock compensation Effective Income Tax Rate Reconciliation, Excess Tax Benefits On Stock Compensation, Percent Effective Income Tax Rate Reconciliation, Excess Tax Benefits On Stock Compensation, Percent Domestic manufacturing deduction Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent Income from legal settlement excluded from taxable income Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Percent Deemed repatriation of foreign earnings Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent Foreign tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent Equity compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent Officers' Compensation Effective Income Tax Rate Reconciliation, Officer Compensation Effective Income Tax Rate Reconciliation, Officer Compensation Stock compensation shortfalls Effective Income Tax Rate Reconciliation, Stock Compensation Shortfalls Effective Income Tax Rate Reconciliation, Stock Compensation Shortfalls Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent Change in the fair value of the liability related to the LNX earn-out Effective Income Tax Rate Reconciliation Changes In Contingent Consideration The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of a liability, arising from an item of contingent consideration, assumed in a business combination. Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Acquisition costs Effective Income Tax Rate Reconciliation Acquisition Costs Effective Income Tax Rate Reconciliation Acquisition Costs Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective income tax rate from continuing operation Effective Income Tax Rate Reconciliation, Percent Fair Value of Financial Instruments Fair Value Disclosures [Text Block] 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] Customer Relationships [Member] Customer Relationships [Member] Completed Technology [Member] Completed Technology [Member] Completed Technology [Member] Backlog [Member] Backlog [Member] Backlog [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization 2015 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Net Carrying Amount Finite-Lived Intangible Assets, Net Weighted Average Useful Life Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance (in shares) Issuance of common stock under employee stock incentive plans (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Issuance of common stock under employee stock incentive plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Beginning Balance Issuance of common stock under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of common stock under employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Stock Repurchased and Retired During Period, Shares Stock Repurchased and Retired During Period, Shares Stock Repurchased and Retired During Period, Value Stock Repurchased and Retired During Period, Value Stock Issued During Period, Shares, New Issues Stock Issued During Period, Shares, New Issues Stock Issued During Period, Value, New Issues Stock Issued During Period, Value, New Issues Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Tax benefit from employee stock plan awards Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Tax shortfall from employee stock plan awards Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation Share-based business combination consideration Adjustments to Additional Paid in Capital, Share-based Compensation, Options Assumed In Acquistion Adjustments to Additional Paid in Capital, Share-based Compensation, Options Assumed In Acquistion Net unrealized gain (loss) on investments Ending Balance (in shares) Ending Balance Finite-Lived Intangible Assets by Major Class Customer Relationships Licensing agreements and patents Patents And Licensing Rights [Member] Patents and Licensing Rights [Member] Completed technologies Trademarks Gross Carrying Amount Accumulated Amortization Inventory Schedule of Inventory, Current [Table Text Block] 2015 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2016 Operating Leases, Future Minimum Payments, Due in Two Years 2017 Operating Leases, Future Minimum Payments, Due in Three Years 2018 Operating Leases, Future Minimum Payments, Due in Four Years 2019 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total minimum lease payments Operating Leases, Future Minimum Payments Due Schedule of discontinued operations Disposal Groups, Including Discontinued Operations [Table Text Block] Supplementary Information (Unaudited) Quarterly Financial Information [Text Block] Restructuring and Other Charges Restructuring and Other Charges [Member] Restructuring and Other Charges [Member] Increase in property and equipment Property, Plant and Equipment, Gross, Period Increase (Decrease) Retirement of asset Assets Disposed Gross amount of long-lived physical assets disposed during the reporting period. Depreciation and amortization expense related to property and equipment Lease term Sale Leaseback Transaction, Lease Term Sale Leaseback Transaction, Lease Term Number of five year term option to renew Sale Leaseback Transaction Lease Terms Number Of Renewal Option The number of lease term renewal option related to the sale-leaseback transaction. Lease term, option to renew Lease Term, Option to Renew Lease Term, Option to Renew Deferred gain on sale-leaseback transaction Sale Leaseback Transaction, Deferred Gain, Gross Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Acquired Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Estimated Future Amortization Expense for Acquired Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Developed Technology Developed Technology Rights [Member] Completed Technology Technology-Based Intangible Assets [Member] Backlog Order or Production Backlog [Member] Net proceeds from underwritten common stock public offering Identifiable intangible assets acquired Finite-lived Intangible Assets Acquired Goodwill deductible for tax purposes Business Acquisition, Goodwill, Expected Tax Deductible Amount Revenue Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Net income (loss) Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Business acquisition costs and other related expenses Portion of purchase price placed into escrow to support post-closing working capital adjustments and sellers' indemnification obligations Business Combination, Portion of Purchase Price Reserved in Escrow Business Combination, Portion of Purchase Price Reserved in Escrow Impairment expense Product warranty term Product Warranty, Term Product Warranty, Term Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Beginning Balance Standard and Extended Product Warranty Accrual Warranty assumed from Carve-Out Business Standard and Extended Product Warranty Accrual, Additions from Business Acquisition Accruals for warranties issued during the period Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Settlements made during the period Standard and Extended Product Warranty Accrual, Decrease for Payments Ending Balance Debt Debt Disclosure [Text Block]