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] Award Type [Domain] Restricted Stock Restricted Stock [Member] 1997 Employee Stock Purchase Plan Employee Stock [Member] Stock Options Stock Options [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] Range Range [Axis] Range [Domain] Range [Domain] Maximum Maximum [Member] Minimum Minimum [Member] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] KOR Electronics K O R Electronics [Member] KOR Electronics [Member] Micronetics [Member] Micronetics [Member] Micronetics [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] 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 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. 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 Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Intrinsic value of the options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Unrecognized compensation cost related to non-vested options granted Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options Unrecognized compensation, period of recognition Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Restricted stock granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 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, Total Fair Value Unrecognized compensation cost related to non-vested restricted stock Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options Business Combinations [Abstract] Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table] Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table] Micronetics Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Pro forma net revenues Business Acquisition, Pro Forma Revenue Pro forma net (loss) income Business Acquisition, Pro Forma Net Income (Loss) Basic pro forma net (loss) earnings per share (in usd per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Diluted pro forma net (loss) earnings per share (in usd per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Organization, Consolidation and Presentation of Financial Statements [Abstract] Number of programs using products and services (greater than) 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 (greater than) Nature of Business, Number of Contractors Using Products and Services Nature of Business, Number of Contractors Using Products and Services Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Inventory Disclosure [Abstract] Inventory Inventory Disclosure [Text Block] Property, Plant and Equipment [Abstract] Schedule of Property, Plant and Equipment [Table] Schedule of Property, Plant and Equipment [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Restructuring and Other Charges Restructuring and Other Charges [Member] Restructuring and Other Charges [Member] 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] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] 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 Depreciation Loss on sale of building Gain (Loss) on Sale of Property Plant Equipment Gain from sale property and equipment Sale Leaseback Transaction, Deferred Gain, Gross 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 Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Business Segments Business Segments [Axis] Segment [Domain] Segment [Domain] ACS Advanced Computing Solutions [Member] Advanced Computing Solutions [Member] MFS Mercury Federal Systems [Member] Mercury Federal Systems [Member] MCE Mercury Commercial Electronics [Member] Mercury Commercial Electronics [Member] MDS Mercury Defense Systems [Member] Mercury Defense Systems [Member] MIS Mercury Intelligence Systems [Member] Mercury Intelligence Systems [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning Balance Goodwill Goodwill arising from acquistion Goodwill, Acquired During Period Subsequent recognition of deferred tax assets from the Micronetics acquisition Goodwill, Subsequent Recognition of Deferred Tax Asset Subsequent decrease of deferred tax liabilities from the Micronetics acquisition Goodwill, Subsequent Recognition of Deferred Tax Liability Goodwill, Subsequent Recognition of Deferred Tax Liability Goodwill adjustment Goodwill, Allocation Adjustment Ending Balance Accounting Policies [Abstract] 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] Segment Reporting [Abstract] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Major Customers Major Customers [Axis] Name of Major Customer [Domain] Name of Major Customer [Domain] Lockheed Martin Corporation Customer Three [Member] Customer 3 [Member] Raytheon Company Customer One [Member] Customer 1 [Member] Northrop Grumman Corporation Customer Two [Member] Customer 2 [Member] Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Revenue from Customers (as a percentage) Entity-Wide Revenue, Major Customer, Percentage 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 Defined Contribution Plan, Employer Discretionary Contribution Amount Defined Contribution Plan, Employer Discretionary Contribution Amount Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Equity [Abstract] Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] 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] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Loan and security agreement with Silicon Valley Bank Silicon Valley Bank Loan And Security Agreement [Member] Silicon Valley Bank Loan And Security Agreement [Member] Amended Loan Agreement Amended Loan Agreement [Member] Amended Loan Agreement [Member] 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] Revolver Line of Credit [Member] Term Loan Acquisition Line [Member] acquisition Line [Member] Foreign Subsidiaries Foreign Subsidiaries [Member] Foreign Subsidiaries [Member] Senior Secured Credit Facility Senior Secured Credit Facility [Member] Senior Secured Credit Facility [Member] Scenario Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] $15,000 minimum trailing-four-quarter cash-flow covenant Scenario One [Member] Scenario 1 [Member] Less than $10,000 of cash equivalents in accounts with the Lender in excess of borrowings Scenario Two [Member] Scenario 2 [Member] Period Type [Axis] Period Type [Axis] Period Type [Axis] Period Type [Domain] Period Type [Domain] Period Type [Domain] Thereafter Period One [Member] Period 1 [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Debt instrument borrowing period Debt Instrument Borrowing Period Debt Instrument Borrowing Period Number of term loan borrowings Number Of Term Loan Borrowings Number Of Term Loan Borrowings Credit Agreement accordion feature, incremental revolver or term loan amount Line Of Credit Facility, Permits Additional Borrowings Accordion Feature Line Of Credit Facility, Permits Additional Borrowings Accordion Feature Leverage Ratio Leverage Ratio Leverage Ratio Interest Coverage Ratio Interest Coverage Ratio Interest Coverage Ratio Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Borrowings outstanding Line of Credit Facility, Amount Outstanding Amount of outstanding letter of credit Letters of Credit Outstanding, Amount Percentage of voting stock of foreign subsidiaries Percentage Of Voting Stock Percentage Of Voting Stock Quick Ratio Quick Ratio Quick Ratio Cash equivalents in accounts with the Lender in excess of borrowings Cash Equivalents In Excess Of Borrowings Cash Equivalents in Excess of Borrowings Minimum trailing-four-quarter cash-flow covenant Cash Flow Covenant Cash Flow Covenant Employee Benefit Plans Compensation and Employee Benefit Plans [Text Block] Quarterly Financial Information Disclosure [Abstract] Consolidated Quarterly Statements of Operations Schedule of Quarterly Financial Information [Table Text Block] 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. Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Statement [Line Items] Statement [Line Items] Accounts receivable, allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Line Items] Business Acquisition [Line Items] Consideration transferred Consideration For Acquisition [Abstract] Consideration For Acquisition [Abstract] Cash paid to shareholders and to settle vested options Business Acquisition Cost Of Acquired Entity Cash Paid For Settlement Of Acquiree Stock Options Business Acquisition, Cost of Acquired Entity, Cash Paid for Settlement of Acquiree Stock Options Value allocated to unvested options Business Acquisition Fair Value Of Unvested Employee Share Based Awards Assumed Business Acquisition Fair Value Of Unvested Employee Share Based Awards Assumed Less cash acquired Business Acquisition Purchase Price Allocation Current Assets Cash And Cash Equivalents Acquired Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents Acquired Net purchase price Business Acquisition, Cost of Acquired Entity, Purchase Price Estimated fair value of tangible assets acquired and liabilities assumed Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net [Abstract] Cash Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents Accounts receivable Business Acquisition, Purchase Price Allocation, Current Assets, Receivables Inventory Business Acquisition, Purchase Price Allocation, Current Assets, Inventory Fixed assets Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Current and non-current deferred tax assets Business Acquisition Purchase Price Allocation Deferred Tax Asset Business Acquisition Purchase Price Allocation Deferred Tax Asset Other current and non-current assets Business Acquisition, Purchase Price Allocation, Other Assets Accounts payable and accrued expenses Business Acquisition Purchase Price Allocation Accounts Payable And Accrued Liabilities Business Acquisition, Purchase Price Allocation, Accounts Payable and Accrued Liabilities Long-term debt Business Acquisition, Purchase Price Allocation, Current Liabilities, Long-term Debt Deferred tax liabilities Business Acquisition Purchase Price Allocation Deferred Tax Liability Business Acquisition Purchase Price Allocation Deferred Tax Liability Estimated fair value of net tangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Estimated fair value of identifiable intangible assets Business Acquisition, Purchase Price Allocation, Intangible Assets Other than Goodwill Estimated fair value of goodwill Business Acquisition, Purchase Price Allocation, Goodwill Amount Estimated fair value of assets acquired Business Acquisition, Purchase Price Allocation, Assets Acquired Common stock excluded from diluted earning per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Shareholders' Equity Class Shareholders' Equity Class [Axis] Fair Value by Shareholders' Equity Class [Domain] Fair Value by Shareholders' Equity Class [Domain] Common Stock Common Stock [Member] Class of Stock [Line Items] Class of Stock [Line Items] Follow-on public stock offering (in shares) Stock Issued During Period, Shares, New Issues Follow-on public stock offering, price per share (in usd per share) Equity Issuance, Per Share Amount Proceeds from follow-on public stock offering, net Proceeds from Issuance of Common Stock Follow-on public stock offering weighted average share included in basic and diluted earning per share (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted 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 Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Net Purchase Price and Preliminary Allocation for Acquisition Schedule of Purchase Price Allocation [Table Text Block] Supplemental Statements of Operations Information Business Acquisition, Pro Forma Information [Table Text Block] Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] MDIS Mercury Defense And Intelligence Systems [Member] Mercury Defense and Intelligence Systems [Member] Eliminations Intersegment Elimination [Member] Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Net revenues to unaffiliated customers Revenue from External Customers Intersegment revenues Segment Reporting Information, Intersegment Revenue Net revenues Revenues 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. 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] Acquired Intangible Assets Intangible Assets Disclosure [Text Block] 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 Income Statement [Abstract] Net revenues Cost of revenues Cost of Revenue Gross margin Gross Profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Research and development Research and Development Expense Amortization of acquired intangible assets Amortization of Intangible Assets Restructuring and other charges Restructuring Charges Impairment of long-lived assets Impairment of Long-Lived Assets Held-for-use Acquisition costs and other related expenses Business Combination, Acquisition Related Costs Change in the fair value of the liability related to the LNX earn-out Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability1 Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability1 Total operating expenses Operating Expenses (Loss) income from operations Operating Income (Loss) Interest income Investment Income, Interest Interest expense Interest Expense Other income, net Other Nonoperating Income (Expense) (Loss) income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Tax (benefit) provision Income Tax Expense (Benefit) Net (loss) income Net Income (Loss) Attributable to Parent Basic net earnings (loss) per share: Earnings Per Share, Basic [Abstract] Basic net (loss) earnings per share (dollars per share) Earnings Per Share, Basic Diluted net earnings (loss) per share: Earnings Per Share, Diluted [Abstract] Diluted net (loss) earnings per share (dollars per share) Earnings Per Share, Diluted 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 (loss) income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Net (loss) income 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 (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Fair Value Disclosures [Abstract] Summary of Financial Assets Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value of Contingent Consideration, Whose Fair Values Were Determined by Level 3 Inputs Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] 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] Income taxes at federal statutory rates Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate State income tax, net of federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes Research and development credits Effective Income Tax Rate Reconciliation, Nondeductible Expense, Research and Development Domestic manufacturing deduction Effective Income Tax Rate Reconciliation, Deductions, Qualified Production Activities Equity compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost 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. 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 Other Effective Income Tax Rate Reconciliation, Other Adjustments Effective income tax rate from continuing operation Effective Income Tax Rate, Continuing Operations Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] 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 Share-based Compensation 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 Unaudited consolidated quarterly statements of operations data Selected Quarterly Financial Information [Abstract] Gross margin (Loss) income from operations (Loss) income before income taxes Tax (benefit) provision Net (loss) income Net (loss) earnings per share: Earnings Per Share [Abstract] Basic net (loss) earnings per share (dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Diluted net (loss) earnings per share (dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Loss on sale of Hudson building Expenses recorded by the company for restructuring plans Schedule Of Inventory [Table] Schedule Of Inventory [Table] Schedule of Inventory [Table] Business Acquisition [Axis] Schedule Of Inventory [Line Items] Schedule Of Inventory [Line Items] Schedule of Inventory [Line Items] Increase in inventories Increase (Decrease) in Inventories Inventory for long-term contracts or programs Inventory for Long-term Contracts or Programs, Gross Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Beginning Balance Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Recognition of accretion expense in operating expenses Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Ending Balance Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Cash Collateral [Member] Cash Collateral [Member] Cash Collateral [Member] Restricted cash Restricted Cash and Cash Equivalents, Noncurrent 2014 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Net Carrying Amount Finite-Lived Intangible Assets, Net Commitments and Contingencies Disclosure [Abstract] 2014 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2015 Operating Leases, Future Minimum Payments, Due in Two Years 2016 Operating Leases, Future Minimum Payments, Due in Three Years 2017 Operating Leases, Future Minimum Payments, Due in Four Years 2018 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 Description of Business Nature of Operations [Text Block] (Loss) income before income taxes: Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, 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 (benefit) provision: 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) 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 Inventory Schedule of Inventory, Current [Table Text Block] Component of Other Operating Cost and Expense [Table] Component of Other Operating Cost and Expense [Table] Severance Severance [Member] Severance [Member] Other Members Other Members [Member] Other Members [Member] Component of Operating Other Cost and Expense [Line Items] Component of Operating Other Cost and Expense [Line Items] Restructuring liability at beginning of period Restructuring Reserve, Current Provisions Cash paid Payments for Restructuring Non-cash Restructuring Reserve, Settled without Cash Reversals () Restructuring Reserve, Accrual Adjustment Restructuring liability at end period 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 Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [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. 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 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 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] 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 Changes in Product Warranty Accrual [Table] Changes in Product Warranty Accrual [Table] Changes in Product Warranty Accrual [Table] Changes in Product Warranty Accrual [Line Items] Changes in Product Warranty Accrual [Line Items] [Line Items] for Changes in Product Warranty Accrual [Table] 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, Increase (Decrease) [Roll Forward] Beginning Balance Product Warranty Accrual Warranty assumed from Micronetics acquisition Product Warranty Accrual, Additions from Business Acquisition Accruals for warranties issued during the period Product Warranty Accrual, Warranties Issued Settlements made during the period Product Warranty Accrual, Payments Ending Balance 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 Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Previously Reported Scenario, Previously Reported [Member] Restatement Adjustment Restatement Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Loss from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Other income, net Furniture and fixtures Furniture and Fixtures [Member] Building and leasehold improvements Building And Leasehold Improvements [Member] Building And Leasehold Improvements [Member] Machinery and equipment Machinery and Equipment [Member] Vehicles Vehicles [Member] 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 Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement Type Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type [Domain] Deferred Revenue Arrangement Type [Domain] Multiple Delivery Revenue Multiple Delivery Revenue [Member] Multiple Delivery Revenue [Member] Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Percentage of revenue under multi- deliverable arrangement Percentage Of Revenue Recognized Percentage of total revenue recognized under multiple-deliverable arrangements during the reporting periods. 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 balance Unrecognized Tax Benefits Increases for previously recognized positions Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions Settlements of previously recognized positions Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities Decreases for previously recognized positions Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions Increases for currently recognized positions Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions Unrecognized tax benefits, ending balance Restructuring Plan Restructuring and Related Activities Disclosure [Text Block] KOR and PDI Business Acquisition One [Member] Business Acquisition One [Member] LNX LNX [Member] LNX [Member] Sellers Sellers [Member] Sellers [Member] Company Company [Member] Company [Member] Company acquired per share (in usd per share) Business Acquisition, Share Price Goodwill arising from acquisition Pro forma net revenues Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Pro forma income (loss) Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Acqusition price paid in cash Business Acquisition, Cost of Acquired Entity, Cash Paid Escrow to support post-closing working capital adjustment and sellers' indemnification obligations Business Acquisition Cost Of Acquired Entity Amount In Escrow The portion of the purchase price of the acquired entity paid into escrow. Escrow release date Escrow Release Date Escrow Release Date Accounts receivable adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable Other assets adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Assets Deferred tax assets adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Assets Goodwill adjustments Goodwill, Purchase Accounting Adjustments Earn-out payable amount based on achievement of financial targets during a period Business Acquisition, Contingent Consideration, Potential Cash Payment Fair value of contingent consideration Business Acquisition, Contingent Consideration, at Fair Value Amount of cash released from escrow Business Acquisition Cost Of Acquired Entity Amount Released From Escrow Amount of cash released from escrow to the seller or the acquiring entity. Change in the fair value of the liability related to the LNX earn-out Capitalized software development cost Capitalized Computer Software, Additions Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Net (loss) income Income (Loss) from Continuing Operations Attributable to Parent Income (Loss) from Continuing Operations Attributable to Parent Interest expense, net Interest Income (Expense), Net Tax (benefit) provision Depreciation Amortization of intangible assets Amortization of Acquired Intangible Assets 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. Number of market analyses used for goodwill impairment test Business Combination, Goodwill Impairment, Number of Market-Analyses Business Combination, Goodwill Impairment, Number of Market-Analyses Impairment loss Goodwill, Impairment Loss Increase in discount rate cash flow analysis result in failure of interim goodwill impairment test Goodwill Impairment Test Fair Value Assumptions Increase Decrease In Discount Rate Goodwill Impairment Test, Fair Value Assumptions, Increase (Decrease) In Discount Rate Number of reportable segments Number of Reportable Segments Number of operating segments Number of Operating Segments 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] Preliminary Estimated Fair Value of Acquired Intangible Assets Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Basic weighted-average shares outstanding Effect of dilutive equity instruments Weighted Average Number Diluted Shares Outstanding Adjustment Diluted weighted-average shares outstanding Finite-Lived Intangible Assets by Major Class 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 Customer Relationships [Member] Backlog Backlog [Member] Backlog [Member] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Carrying Amount Weighted Average Useful Life 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 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 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] 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 Operating Segment, Significant Customers and Geographic Information Segment Reporting Disclosure [Text Block] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] State and Local Jurisdiction State and Local Jurisdiction [Member] Foreign Tax Authority Foreign Tax Authority [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 carry forwards Tax Credit Carryforward, Amount Tax caryforward expiration year Tax Credit Carryforward Expiration Year Tax Credit Carryforward, Expiration Year Net operating loss carryforwards Operating Loss Carryforwards Accrued deferred taxes, undistributed earnings and profits Deferred Tax Liabilities, Undistributed Foreign Earnings Unrecognized tax benefits that, if released, would affect income tax expense Unrecognized Tax Benefits that Would Impact Effective Tax Rate Acquisitions Business Combination Disclosure [Text Block] Licensing agreements and patents Patents And Licensing Rights [Member] Patents and Licensing Rights [Member] Completed technologies Completed Technology [Member] Completed Technology [Member] Trademarks Trademarks [Member] Non-compete agreements Noncompete Agreements [Member] Expenses by Business Segment for Restructuring Plans Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Additional Paid-in Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Loss) [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance (in shares) Beginning Balance Stockholders' Equity Attributable to Parent 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 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 Follow-on public stock offering 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 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 Minimum Lease Payments under Non Cancelable Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Geographical Geographical [Axis] Segment, Geographical [Domain] Segment, Geographical [Domain] US UNITED STATES Europe Europe [Member] Europe [Member] Asia Pacific Asia Pacific [Member] Asia Pacific [Member] Eliminations Geographical Intersegment, Eliminations [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. Identifiable long-lived assets Disclosure on Geographic Areas, Long-Lived Assets in Entity's Country of Domicile 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 Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Shareholders Equity [Table] Shareholders Equity [Table] Shareholders Equity [Table] Component of Other Operating Cost and Expense [Axis] Component of Other Operating Cost and Expense [Axis] Component of Other Operating Cost and Expense, Name [Domain] Component of Other Operating Cost and Expense, Name [Domain] Underwriting Discount Underwriting Discount [Member] Underwriting Discount [Member] Other Expense Other Expense [Member] Shareholders Equity [Line Items] Shareholders Equity [Line Items] Shareholders Equity [Line Items] Follow-on public stock offering, shares Underwriting discount and other expenses related to follow-on public stock offering Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Preferred stock shares authorized to issue Preferred stock shares par value Dividend declared, record date Dividends Payable, Date of Record Minimum percentage a person should acquire or commence a tender offer that would result in owning outstanding shares of common stock to exercise the right Minimum Percentage Of Outstanding Stock Acquired For Rights To Be Exercisable Minimum Percentage of Outstanding Stock Acquired For Rights to be Exercisable 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 Cash and cash equivalent Cash, Cash Equivalents, and Short-term Investments Number of customers accounted for company's receivables Number Of Customers With Significant Accounts Receivable Balance Number Of Customers With Significant Accounts Receivable Balance Concentration of risk accounts receivable percentage Concentration Of Risk Accounts Receivable Percentage Concentration of Risk Accounts Receivable Percentage Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash (used in) 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 (Benefit) provision for deferred income taxes Deferred Income Tax Expense (Benefit) Excess tax benefit from stock-based compensation Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Operating Activities 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 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 (used in) 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 Sales and maturities of marketable securities Proceeds from Sale and Maturity of Marketable Securities 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 Payments for acquired intangible assets Payments to Acquire Intangible Assets 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 Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from employee stock plans Proceeds from Stock Options Exercised Excess tax benefit from stock-based compensation Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Financing Activities Payments of acquired debt Repayments of Long-term Debt Payments of deferred financing costs Payments of Financing Costs Payments of deferred offering costs Payments of Stock Issuance Costs Decrease in restricted cash Increase (Decrease) in Restricted Cash, Financing Activities Increase (Decrease) in Restricted Cash, Financing Activities Payments of capital lease obligations Proceeds From Repayments Of Debt And Capital Lease Obligations The net cash inflow or outflow during the period from the proceeds from (repayments of) aggregate short-term and long-term debt and proceed (payment) of capital lease obligations. Net cash (used in) 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 (decrease) 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 Carrying Value 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 Acquisition of intangible assets Noncash or Part Noncash Acquisition, Intangible Assets Acquired Capital lease Capital Lease Obligations Incurred Fair Value Measurements [Table] Fair Value Measurements [Table] Fair Value Measurements [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, Measurements, Fair Value Hierarchy [Domain] Fair Value Estimate of Fair Value, Fair Value Disclosure [Member] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value, Disclosure Item Amounts [Domain] U.S. Treasury bills and money market funds US Treasury Bill Securities [Member] Operating cash Cash and Cash Equivalents [Member] Restricted cash Restricted Cash [Member] Restricted Cash [Member] Fair Value Measurements [Line Items] Fair Value Measurements [Line Items] Fair Value Measurements [Line Items] Assets: Assets, Fair Value Disclosure [Abstract] Fair value measurement disclosure Assets, Fair Value Disclosure Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Accounts receivable, net of allowance for doubtful accounts of $33 and $5 at June 30, 2013 and 2012, respectively Accounts Receivable, Net, Current Unbilled receivables and cost in excess of billings Costs in Excess of Billings on Uncompleted Contracts or Programs Expected to be Collected within One Year Inventory Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current 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) Other non-current 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 Liabilities, Current Accrued compensation Employee-related Liabilities, Current Deferred revenues and customer advances Deferred Revenue, Current 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 Other non-current liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note I) 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; 30,381,254 and 29,729,065 shares issued and outstanding at June 30, 2013 and 2012 respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Total shareholders' equity Total liabilities and shareholders' equity Liabilities and Equity 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 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, Tax Deferred Income Property and equipment depreciation Deferred Tax Liabilities, Property, Plant and Equipment Acquired intangible assets Deferred Tax Liabilities, Goodwill and Intangible Assets Other temporary differences Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Net Net deferred tax (liabilities) assets Deferred Tax Assets, Net Changes in Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Supplementary Information (Unaudited) Quarterly Financial Information [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Concentration Risk Type Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] AEGIS Program Program One [Member] Program One [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Percentage of revenue contributed from a single program Concentration Risk, Percentage Number of program comprised 10% or more of company's revenue Entity Wide Revenue Major Program Number Number of programs generating 10 percent or more of an entity's revenues. 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. 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] 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] 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] 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] Goodwill Goodwill Disclosure [Text Block]