Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Corporate activities Segment Reconciling Items [Member] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Kratos Government Solutions Kratos Government Solutions [Member] Kratos Government Solutions operating/reportable segment Public Safety & Security Public Safety and Security [Member] Public Safety and Security [Member] Unmanned Systems Kratos Unmanned Systems [Member] Kratos Unmanned Systems [Member] Operating Activities [Axis] Operating Activities [Axis] Operating Activities [Domain] Operating Activities [Domain] Discontinued operations Discontinued Operations [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Service revenues Sales Revenue, Services, Net Product sales Sales Revenue, Goods, Net Total revenues Revenues Depreciation and amortization Depreciation, Depletion and Amortization Total operating income (loss) from continuing operations Operating Income (Loss) Total assets Assets Income Tax Disclosure [Abstract] Components of Deferred Tax Assets and Liabilities [Abstract] Components of Deferred Tax Assets and Liabilities [Abstract] Deferred tax assets: Components of Deferred Tax Assets [Abstract] Allowance for doubtful accounts Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Sundry accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Vacation accrual Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Compensated Absences Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Payroll related accruals Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Lease accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Investments Deferred Tax Assets, Investments Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Tax credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards Deferred revenue Deferred Tax Assets, Deferred Income Reserves and other Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves and Other Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves and Other Gross deferred tax assets Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Total deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Unearned revenue Deferred Tax Liabilities, Unearned Revenue Deferred Tax Liabilities, Unearned Revenue Other intangibles Deferred Tax Liabilities, Intangible Assets Property and equipment, principally due to differences in depreciation Deferred Tax Liabilities, Property, Plant and Equipment Other Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred tax asset (liability) Deferred Tax Liabilities, Net Fair Value Disclosures [Abstract] Fair Value Measurement Fair Value Disclosures [Text Block] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Parent Company Parent Company [Member] Subsidiary Guarantors on a Combined Basis Guarantor Subsidiaries [Member] Non-Guarantors on a Combined Basis Non-Guarantor Subsidiaries [Member] Eliminations Consolidation, Eliminations [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Net cash provided by (used in) operating activities from continuing operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations Investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash paid for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Investment in affiliated companies Payments For (Proceeds From) Investment In Affiliated Companies Payments For (Proceeds From) Investment In Affiliated Companies Change in restricted cash Increase (Decrease) in Restricted Cash Capital expenditures Payments for (Proceeds from) Productive Assets Proceeds from sale of assets Proceeds from Sale of Other Assets, Investing Activities Net cash used in investing activities from continuing operations Net Cash Provided by (Used in) Investing Activities, Continuing Operations Financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash paid for contingent acquisition consideration Payments for (Proceeds from) Previous Acquisition Proceeds from the issuance of long-term debt Proceeds from Issuance of Long-term Debt Extinguishment of long-term debt Repayments of Long-term Debt Credit agreement borrowings Proceeds from Lines of Credit Repayment of debt Proceeds from (Repayments of) Long Term Lines of Credit Proceeds from (Repayments of) Long Term Lines of Credit Proceeds from the issuance of common stock Sale of Stock, Consideration Received on Transaction Debt issuance costs Payments of Debt Issuance Costs Proceeds from the sale of employee stock purchase plan shares Proceeds from Other Equity Financing from affiliated companies Proceeds from Contributions from Affiliates Other, net Proceeds from (Payments for) Other Financing Activities Not Separately Disclosed Proceeds from (Payments for) Other Financing Activities Not Separately Disclosed Net cash provided by (used in) financing activities from continuing operations Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash flows of continuing operations Net Cash Provided by (Used in) Continuing Operations Net operating cash flows of discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Net investing cash flows from discontinued operations Cash Provided by (Used in) Investing Activities, Discontinued Operations Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Stock Option Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Stock Options Roll Forward Schedule of Stock Options Roll Forward [Table Text Block] Grants and Exercises Under the Company's Option Plans Share-based Compensation Arrangement By Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value and Exercises in Period, Total Intrinsic Value [Table Text Block] Share-based Compensation Arrangement By Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value and Exercises in Period, Total Intrinsic Value [Table Text Block] Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Assumptions and Resulting Fair Values of Options Granted Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Quarterly Financial Information Disclosure [Abstract] Summarized Quarterly Financial Information Quarterly Financial Information [Table Text Block] Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Compensation and Retirement Disclosure [Abstract] Company's contributions to defined-contribution plans Defined Contribution Plan, Employer Discretionary Contribution Amount Significant Customers Significant Customers Disclosure [Text Block] Significant Customers Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Significant Accounting Policies Disclosure [Table] Significant Accounting Policies Disclosure [Table] Significant Accounting Policies Disclosure [Table] Billing Status, Type [Axis] Billing Status, Type [Axis] Receivables Billing Status [Domain] Receivables Billing Status [Domain] Purchase order not received Unbilled Revenues [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock options Employee Stock Option [Member] Kratos Government Solutions (KGS) Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Income Statement Location [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Income Statement Location [Domain] Continuing operations Continuing Operations [Member] Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Allowance for Doubtful Accounts Allowance for Doubtful Accounts [Member] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Building facility Building [Member] Buildings and improvements Building and Building Improvements [Member] Machinery and equipment Other Machinery and Equipment [Member] Computer equipment and software Computer Equipment [Member] Vehicles, furniture, and office equipment Vehicles, Furniture, and Office Equipment [Member] Vehicles, Furniture, and Office Equipment [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Significant Accounting Policies Disclosure [Line Items] Significant Accounting Policies Disclosure [Line Items] [Line Items] for Significant Accounting Policies Disclosure [Table] Number of reportable segments Number of Reportable Segments Fiscal year duration Fiscal Year Duration Fiscal Year Duration Number of different types of contractual arrangements Revenue Recognition, Number of Revenue Contract Types Revenue Recognition, Number of Revenue Contract Types Number of basic categories of fixed price contracts Revenue Recognition, Number of Fixed Price Contract Types Revenue Recognition, Number of Fixed Price Contract Types Accruals for losses on contracts Provision for Loss on Contracts Accounts receivable Accounts Receivable, Gross Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] Share-based incentive award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Employee Stock Purchase Plan offering & expense recognition period Employee Stock Purchase Plan, Offering Period Employee Stock Purchase Plan, Offering Period Incremental tax benefits from exercise of stock options Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options Stock-based compensation expense, amount recognized in the consolidated financial statements Allocated Share-based Compensation Expense Impact on net income (loss) per common share, basic and diluted (in dollars per share) Allocated Share Based Compensation Expense, Net Of Tax, Earnings Per Share Basic and Diluted Allocated Share Based Compensation Expense, Net Of Tax, Earnings Per Share Basic and Diluted Movement in Valuation Allowances and Reserves [Roll Forward] Allowance for Doubtful Accounts Receivable [Roll Forward] Balance at Beginning of Year Allowance for Doubtful Accounts Receivable Provisions Provision for Doubtful Accounts Write-offs/Recoveries Allowance for Doubtful Accounts Receivable, Charge-offs and Recoveries, Net Allowance for Doubtful Accounts Receivable, Charge-offs and Recoveries, Net Balance at End of Year Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Restricted cash Restricted Cash and Cash Equivalents, Current Property and Equipment [Abstract] Property, Plant and Equipment [Abstract] Useful life of property and equipment Property, Plant and Equipment, Useful Life Carrying value of building held-for-sale Assets Held-for-sale, Not Part of Disposal Group Remeasured fair value of building held-for-sale Property, Plant, and Equipment, Fair Value Disclosure Impairment loss on building reclassified from held-for-sale to held Impairment Charge on Reclassified Assets Goodwill and Other Intangible Assets, Net [Abstract] Intangible Assets, Net (Including Goodwill) [Abstract] Useful life of finite-lived intangible assets Finite-Lived Intangible Asset, Useful Life Interest Income (Expense), Net [Abstract] Interest Income (Expense), Net [Abstract] Interest expense incurred primarily on the Company’s Senior Secured Notes Interest Expense, Debt Miscellaneous interest income Interest Income, Other Interest expense, net Interest Expense (Income), Net Interest expense on debt and miscellaneous interest income Foreign currency transaction gain (loss) Foreign Currency Transaction Gain (Loss), before Tax Federal statutory income tax rate (percent) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Decrease in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Federal Domestic Tax Authority [Member] State State and Local Jurisdiction [Member] Operating Loss Carryforward [Axis] Operating Loss Carryforward [Axis] Operating Loss Carryforward [Axis] Operating Loss Carryforward [Domain] Operating Loss Carryforward [Domain] [Domain] for Operating Loss Carryforward [Axis] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Operating loss carryforwards Operating Loss Carryforwards Federal annual utilization of NOL carryforwards limit, next five years Operating Loss Carryforwards, Federal Annual Utilization Limit, Five Years Succeeding Initial Ownership Change Operating Loss Carryforwards, Federal Annual Utilization Limit, Five Years Succeeding Initial Ownership Change Threshold period for change in allowed annual amount of NOL to be recognized Threshold Period for Change in Allowed Annual Amount of Operating Loss Carryforward to be Recognized Threshold Period for Change in Allowed Annual Amount of Operating Loss Carryforward to be Recognized Federal annual utilization of NOL carryforwards limit, after year five Operating Loss Carryforwards, Federal Annual Utilization Limit, After Year Five Operating Loss Carryforwards, Federal Annual Utilization Limit, After Year Five Unrecognized deferred income taxes or foreign withholding taxes Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries Unrecognized deferred income taxes or foreign withholding taxes, cash and cash equivalents available for distribution Deferred Tax Liability Not Recognized, Undistributed Earnings of Foreign Subsidiaries, Cash and Cash Equivalents Available for Distribution Deferred Tax Liability Not Recognized, Undistributed Earnings of Foreign Subsidiaries, Cash and Cash Equivalents Available for Distribution Unrecognized tax benefits that if recognized would affect effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Amount that would become a deferred tax asset included in unrecognized tax benefits that would impact the effective tax rate Unrecognized Tax Benefits That Would Impact Effective Tax Rate, Deferred Tax Assets Unrecognized Tax Benefits That Would Impact Effective Tax Rate, Deferred Tax Assets Income tax penalties and interest expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Benefit for income tax penalties and interest related to reversal of prior positions Unrecognized Tax Benefits, Income Tax Penalties and Interest Benefit, Reversals of Prior Positions Unrecognized Tax Benefits, Income Tax Penalties and Interest Benefit, Reversals of Prior Positions Total interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized tax benefits that will expire within the next 12 months Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Debt Disclosure [Abstract] Fair value of long-term debt Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Nonvested balance at beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Grants (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeitures (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Vested but not released (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested But Not Released Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested But Not Released Nonvested balance at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Nonvested balance at beginning of period, 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 Grants, Weighted-Average Grant Date Fair Value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested, Weighted-Average Grant Date Fair Value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeitures, Weighted-Average Grant Date Fair Value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vested but not released, Weighted-Average Grant Date Fair Value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period But Not Released, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period But Not Released, Weighted Average Grant Date Fair Value Nonvested balance at end of period, Weighted-Average Grant Date Fair Value (in dollars per share) Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Herley Herley Industries Inc [Member] Herley Industries Inc [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] Revenue Disposal Group, Including Discontinued Operation, Revenue Cost of sales Disposal Group, Including Discontinued Operation, Costs of Goods Sold Selling, general and administrative expenses Disposal Group, Including Discontinued Operation, General and Administrative Expense Interest expense, net Disposal Group, Including Discontinued Operation, Interest Expense Net Disposal Group, Including Discontinued Operation, Interest Expense Net Other net expense items that are not major Disposal Group, Including Discontinued Operation, Other Income (Expense) Disposal Group, Including Discontinued Operation, Other Income (Expense) Loss from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax Gain on disposal of discontinued operations before income taxes Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Total gain (loss) of discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Income tax expense Discontinued Operation, Tax Effect of Discontinued Operation Income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] 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] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Accumulated Deficit Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance, beginning of period (in shares) Common Stock, Shares, Outstanding Balance, beginning of period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Issuance of common stock for cash (in shares) Stock Issued During Period, Shares, New Issues Issuance of common stock for cash Stock Issued During Period, Value, New Issues Issuance of common stock for employee stock purchase plan, options and warrants (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Issuance of common stock for employee stock purchase plan, options and warrants Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Restricted stock issued and related taxes (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Restricted stock issued and related taxes Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Net income (loss) Net Income (Loss) Attributable to Parent Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Balance, end of period (in shares) Balance, end of period Line of Credit Facility [Table] Line of Credit Facility [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Letter of Credit Letter of Credit [Member] Swing Line Loan Swing Line Loan [Member] Swing Line Loan [Member] Revolving Loans plus outstanding Swingline Loans plus Letters of Credit Revolving Loan, Swingline Loan, and Line of Credit [Member] Revolving Loan, Swingline Loan, and Line of Credit [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Federal Funds Rate Federal Funds Effective Swap Rate [Member] LIBOR Rate London Interbank Offered Rate (LIBOR) [Member] Base Rate Base Rate [Member] Eurodollar Rate Eurodollar [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 2014 Credit Agreement, Third Amendment Two Thousand Fourteen Credit Agreement, Third Amendment [Member] Two Thousand Fourteen Credit Agreement, Third Amendment [Member] 2014 Credit Agreement, Fourth Amendment Two Thousand Fourteen Credit Agreement, Fourth Amendment [Member] Two Thousand Fourteen Credit Agreement, Fourth Amendment [Member] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Fixed charge coverage ratio not measured Scenario One [Member] Scenario One [Member] Fixed charge coverage ratio of at least 1.05 Scenario Two [Member] Scenario Two [Member] Herley disposition proceeds reinvestment reserve, as defined in the amendment Scenario Five [Member] Scenario Five [Member] Fixed charge coverage ratio of at least 1.10 Scenario Three [Member] Scenario Three [Member] Fixed charge coverage ratio remains at 1.15 Scenario Four [Member] Scenario Four [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Maturity period (in years) Debt Instrument, Maturity Period Debt Instrument, Maturity Period Potential maximum borrowing capacity, subject to Lender approval Line Of Credit Facility, Maximum Possible Borrowings Subject To Application And Bank Approval Line Of Credit Facility, Maximum Possible Borrowings Subject To Application And Bank Approval Fixed charge coverage ratio Debt Instrument Fixed Charge Coverage Ratio Line Of Credit Facility Fixed Coverage Ratio Basis spread on variable rate (percent) Debt Instrument, Basis Spread on Variable Rate Minimum amount required to repurchase Line of Credit Facility, Covenant Compliance, Required Amount of Loan Repurchased Line of Credit Facility, Covenant Compliance, Required Amount of Loan Repurchased Covenant terms, capacity of outstanding loans of credit Line of Credit Facility, Covenant Terms, Capacity of Outstanding Borrowing Line of Credit Facility, Covenant Terms, Capacity of Outstanding Borrowing Covenant terms, percentage of reinvestment in excess of loans and credit (percent) Line of Credit Facility, Covenant Terms, Percentage of Reinvestment Reserve over Outstanding Borrowings in Excess of Capacity of Outstanding Borrowing Line of Credit Facility, Covenant Terms, Percentage of Reinvestment Reserve over Outstanding Borrowings in Excess of Capacity of Outstanding Borrowing Reserve amount based on collateral carrying value Line of Credit Facility, Collateral, Reserve Amount Line of Credit Facility, Collateral, Reserve Amount Period from sale allowed to reinvest in similar collateral assets Debt Instrument, Duration for Collateral Adjustment Debt Instrument, Duration for Collateral Adjustment Letter of credit exposure outstanding Debt Instrument, Covenant Compliance, Credit Line Outstanding Excluded From Calculation of Minimum Fixed Charge Coverage Ratio, Amount Debt Instrument, Covenant Compliance, Credit Line Outstanding Excluded From Calculation of Minimum Fixed Charge Coverage Ratio, Amount Outstanding borrowings Long-term Line of Credit Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Schedule of Revenue by Major Customers, by Reportiing Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Major Customers [Axis] Customer [Axis] Name of Major Customer [Domain] Customer [Domain] U.S. Government U.S. Government [Member] U.S. Government, major customer [Member] Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Sales to the U.S. Government - amount Sales to the U.S. Government - percentage of total revenue Concentration Risk, Percentage Schedule of Income before Income Tax, Domestic and Foreign Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Income Tax Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Statement of Financial Position [Abstract] Preferred Stock: Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Par value (usd per share) Preferred Stock, Par or Stated Value Per Share Shares authorized (in shares) Preferred Stock, Shares Authorized Shares outstanding (in shares) Preferred Stock, Shares Outstanding Common Stock: Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Par value (in dollars per share) Common Stock, Par or Stated Value Per Share Shares authorized (in shares) Common Stock, Shares Authorized Shares issued (in shares) Common Stock, Shares, Issued Shares outstanding (in shares) Leases [Abstract] Sublease income on operating leases Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals Operating Leases Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2017 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2018 Operating Leases, Future Minimum Payments, Due in Two Years 2019 Operating Leases, Future Minimum Payments, Due in Three Years 2020 Operating Leases, Future Minimum Payments, Due in Four Years 2021 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total future minimum lease payments Operating Leases, Future Minimum Payments Due Amortization expense related to capital leases Capital Leases, Income Statement, Amortization Expense Gross rent expense under operating leases Operating Leases, Rent Expense, Minimum Rentals Sublease income Operating Leases, Rent Expense, Sublease Rentals Accrual for Unused Facilities [Roll Forward] Accrual for Unused Facilities [Roll Forward] Accrual for Unused Facilities [Roll Forward] Accrual for excess facilities - beginning balance Accrual for Unused Facilities Accrual for Unused Facilities Adjustment of excess facility accrual Accrual for Unused Facilities, Accrual Adjustment Accrual for Unused Facilities, Accrual Adjustment Cash payments Accrual for Unused Facilities, Cash Payments Accrual for Unused Facilities, Cash Payments Accrual for excess facilities - ending balance Deferred rent Deferred Rent Credit Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] 10-year term loan Loans Payable [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Maturity period (in years) Carrying amount Long-term Debt Quarterly installment payment - principal Debt Instrument, Periodic Payment, Principal Income Statement [Abstract] Gain on disposal Income tax (benefit) at federal statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount State taxes, net of federal tax benefit and valuation allowance Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Difference in tax rates between U.S. and foreign Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Increase in federal valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Nondeductible expense Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Increase in reserve for uncertain tax positions Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Changes to indefinite life items and separate state deferred taxes Income Tax Reconciliation, Changes to Indefinite Life Items and Separate State Deferred Taxes Income Tax Reconciliation, Changes to Indefinite Life Items and Separate State Deferred Taxes Total Income Tax Expense (Benefit) Balance Sheet Details Supplemental Balance Sheet Disclosures [Text Block] Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] US. Government Cost Claims [Member] US. Government Cost Claims [Member] US. Government Cost Claims [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Settlement on matters related to unallowable costs Litigation Settlement, Amount Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Valuation and Qualifying Accounts Disclosure Allowance for Credit Losses on Financing Receivables [Table Text Block] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Schedule of Interest Expense, Net Schedule of Interest Expense, Net [Table Text Block] Schedule of Interest Expense, Net [Table Text Block] Through May 15, 2017 Redemption Period Two [Member] June First Twenty Fourteen Through June First Twenty Fifteen [Member] Redemption Period Three [Member] Redemption Period Three [Member] June First Twenty Fifteen Through June First Twenty Sixteen [Member] After 5/15/2018 Redemption Period Four [Member] After June First Twenty Sixteen [Member] Senior notes Senior Notes [Member] 7% Senior Notes due 2019 Seven Percent Senior Notes Due 2019 [Member] Seven Percent Senior Notes Due 2019 [Member] 10% Senior Notes due June 2017 Ten Percent Senior Notes Due June 2017 [Member] Senior Notes Due June 2017 [Member] Stated interest rate (percent) Debt Instrument, Interest Rate, Stated Percentage Principal Debt Instrument, Face Amount Proceeds from the issuance of long-term debt, net of issuance costs Original issue discount Debt Instrument, Unamortized Discount Debt issuance costs Debt Issuance Costs, Gross Credit agreement borrowings Reacquisition price Debt Instrument, Repurchase Amount Early termination fee Debt Instrument, Early Termination Fee Debt Instrument, Early Termination Fee Write off of unamortized issue costs Write off of Deferred Debt Issuance Cost Unamortized premium Debt Instrument, Unamortized Premium Interest accrued in escrow Debt Instrument, Escrow Interest Accrued Debt Instrument, Escrow Interest Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Redemption amount as percentage of aggregate principle amount Debt Instrument Redemption Amount As Percentage of Aggregate Principal Amount Percent of aggregate principal amount that may be redeemed by the Company if certain terms are met Period following asset disposition Debt Instrument, Duration Following Sale Required to Repurchase Loan With Unused Proceeds Debt Instrument, Duration Following Sale Required to Repurchase Loan With Unused Proceeds Debt repurchased and extinguished Extinguishment of Debt, Amount Gain on extinguishment of debt before amortization of issuance cost and discount Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost Legal fees Legal Fees Notes outstanding Senior Notes Stockholders' Equity Shareholders' Equity and Share-based Payments [Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Inventory, Current Schedule of Inventory, Current [Table Text Block] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2014 Plan Two Thousand Fourteen Plan [Member] Two Thousand Fourteen Plan [Member] Stock Options and Restricted Stock Units Stock Options and Restricted Stock Units [Member] Stock Options and Restricted Stock Units [Member] Stock awards granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of shares available for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Total number of awards outstanding (shares) Share-Based Compensation Arrangement By Share Based Payment Award, Options And Other Than Options, Outstanding Number Share-Based Compensation Arrangement By Share Based Payment Award, Options And Other Than Options, Outstanding Number Award term or expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Total unrecognized stock-based compensation expense related to nonvested options Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Unrecognized stock-based compensation expense, period for recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Total unrecognized stock-based compensation expense related to nonvested restricted stock units Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Fair value of vested awards Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures Disposal Groups, Including Discontinued Operations [Table Text Block] Principles of Consolidation and Basis of Presentation Consolidation, Policy [Policy Text Block] Fiscal Year Fiscal Period, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Shipping and Handling Costs Shipping and Handling Cost, Policy [Policy Text Block] Inventoried Costs Inventory, Policy [Policy Text Block] Research and Development Research and Development Expense, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Income Taxes - Uncertain Tax Positions Income Tax Uncertainties, Policy [Policy Text Block] Stock-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Allowance for Doubtful Accounts Trade and Other Accounts Receivable, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Property and Equipment, Net Property, Plant and Equipment, Policy [Policy Text Block] Impairment or Disposal of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Leases Lease, Policy [Policy Text Block] Goodwill and Other Intangible Assets, Net Goodwill and Intangible Assets, Policy [Policy Text Block] Impairment of Long-Lived Assets and Long-Lived Assets to Be Disposed Of Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Concentrations and Uncertainties Concentration Risk, Credit Risk, Policy [Policy Text Block] Debt Issuance Costs Debt, Policy [Policy Text Block] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Common Stock [Member] Class of Stock [Line Items] Class of Stock [Line Items] Common stock sold (in shares) Purchase price of common stolc sold (dollars per share) Sale of Stock, Price Per Share Gross proceeds from sell of stock Sale of Stock, Consideration Received on Transaction Gross Proceeds From Issuance Of Common Stock Gross Proceeds from the issuance of common stock Proceeds from Issuance of Common Stock Net proceeds from stock issuance Net proceeds used to pay-off debt Repayments of Secured Debt Approximate amount of debt paid-off Revenues Revenue, Net Gross profit Gross Profit Provision (benefit) for income taxes from continuing operations Income (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net income(loss) Basic income (loss) per common share: Earnings Per Share, Basic [Abstract] Net income (loss) from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Net income (loss) from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Net income (loss) per common share (in dollars per share) Earnings Per Share, Basic Diluted income (loss) per common share: Earnings Per Share, Diluted [Abstract] Net income (loss) from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Net income (loss) from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Net income (loss) per common share (in dollars per share) Earnings Per Share, Diluted Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Weighted average grant date fair value of options granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Total intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Acquired Finite-Lived Intangible Assets Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Schedule of Future Amortization Expense of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Options outstanding at beginning of period, Number of Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted, Number of Options (in shares) Exercised, Number of Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited or expired, Number of Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Options outstanding at end of period, Number of Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Options outstanding at beginning of period, Weighted-Average Exercise Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted, Weighted-Average Exercise Price per Share (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised, Weighted-Average Exercise Price per Share (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited or expired, Weighted-Average Exercise Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Options outstanding at end of period, Weighted-Average Exercise Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Options outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options outstanding, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options exercisable, Number of Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Options exercisable, Weighted-Average Exercise Price per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options exercisable, Weighted-Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Options exercisable, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Schedule of Condensed Consolidating Balance Sheet Condensed Balance Sheet [Table Text Block] Schedule of Condensed Consolidating Statement of Operations and Comprehensive Income (Loss) Schedule Of Condensed Statement Of Operations And Comprehensive Income [Table Text Block] Schedule Of Condensed Statement Of Operations And Comprehensive Income [Table Text Block] Schedule of Condensed Consolidating Statement of Cash Flows Condensed Cash Flow Statement [Table Text Block] Ownership percentage Noncontrolling Interest, Ownership Percentage by Parent Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net Accounts Receivable, Net, Current Amounts due from affiliated companies Due from Affiliate, Current Inventoried costs Inventory, Net of Allowances, Customer Advances and Progress Billings Other current assets Restricted Cash And Cash Equivalents At Carrying Value, Prepaid Expense And Other Assets, Current Restricted Cash And Cash Equivalents At Carrying Value, Prepaid Expense And Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Goodwill Goodwill Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Other assets Other Assets, Noncurrent Total assets Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses Accrued Expenses, Current Accrued Expenses, Current Accrued compensation Employee-related Liabilities, Current Billings in excess of costs and earnings on uncompleted contracts Billings in Excess of Cost Amounts due to affiliated companies Due to Affiliate, Current Other current liabilities Other Liabilities Not Separately Disclosed, Current Other Liabilities Not Separately Disclosed, Current Current liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Current Total current liabilities Liabilities, Current Long-term debt, net of current portion Long Term Debt And Unamortized Premium, Noncurrent Long Term Debt And Unamortized Premium, Noncurrent Other long-term liabilities Other Liabilities Not Separately Disclosed, Noncurrent Other Liabilities Not Separately Disclosed, Noncurrent Non-current liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Total liabilities Liabilities Total stockholders’ equity Total liabilities and stockholders’ equity Liabilities and Equity Nature of Expense [Axis] Nature of Expense [Axis] Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Facility Closure Facility Closing [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Non-US Non-US [Member] Percentage of foreign revenue to total revenue (as a percent) Entity Wide Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries, Percentage Entity Wide Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries, Percentage Loss accrual Loss Contingency Accrual, Provision Costs related to retrofits Operating Income (Loss), Related to Retrofits Operating Income (Loss), Related to Retrofits Litigation related charges Litigation Settlement, Expense Integration Project Expense Integration Project Expense Integration Project Expense Assets of foreign subsidiaries Entity Wide Disclosure on Geographic Areas, Assets in Foreign Countries Entity Wide Disclosure on Geographic Areas, Assets in Foreign Countries Operating income (loss) Business Exit Costs Business Exit Costs Debt Debt Disclosure [Text Block] Segment Information Segment Reporting Disclosure [Text Block] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Electronic Products Division Electronic Products Division [Member] Electronic Products Division [Member] Restructuring charges Restructuring Charges Loss on contract Loss on Contracts Income from discontinued operations Retirement Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Income Statement Location [Axis] Income Statement Location [Domain] Purchase price, in cash Disposal Group, Including Discontinued Operation, Consideration Taxes incurred as part of transaction Disposal Group, Including Discontinued Operation, Consideration, Tax Amount Disposal Group, Including Discontinued Operation, Consideration, Tax Amount Escrow to satisfy any purchase price adjustments Disposal Group, Including Discontinued Operation, Escrow Disposal Group, Including Discontinued Operation, Escrow Working capital adjustments Disposal Group, Including Discontinued Operation, Working Capital Adjustment Disposal Group, Including Discontinued Operation, Working Capital Adjustment Period to assert claim for indemnification Business Combination, Contingent Consideration Arrangements, Period to Assert Claim Business Combination, Contingent Consideration Arrangements, Period to Assert Claim Maximum future indemnification payment, amount Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Transaction-related costs Disposal Group, Including Discontinued Operation, Transaction Related Cost Disposal Group, Including Discontinued Operation, Transaction Related Cost Gain on sale of operations Disposal Group, Deferred Gain on Disposal Net payment to company after adjustments Disposal Group, Including Discontinued Operation, Closing Payment after Adjustments Disposal Group, Including Discontinued Operation, Closing Payment after Adjustments Net payment from escrow Disposal Group, Including Discontinued Operation, Payment from Escrow Disposal Group, Including Discontinued Operation, Payment from Escrow Difference in estimated working capital and actual working capital Disposal Group, Including Discontinued Operation, Difference in Actual and Estimated Working Capital Disposal Group, Including Discontinued Operation, Difference in Actual and Estimated Working Capital Depreciation and amortization expense Disposal Group, Including Discontinued Operation, Depreciation and Amortization Redemption of notes Debt Instrument, Redemption, Amount Debt Instrument, Redemption, Amount Repayment of outstanding borrowings Repayments of Debt Schedule of Goodwill [Table] Schedule of Goodwill [Table] Kratos Unmanned Systems (US) Goodwill [Line Items] Goodwill [Line Items] Impairment of goodwill Goodwill, Impairment Loss Increase in goodwill Goodwill, Period Increase (Decrease) Carrying amounts of goodwill by reportable segment [Abstract] Goodwill, Impaired, Accumulated Impairment Loss [Abstract] Gross value Goodwill, Gross Less accumulated impairment Goodwill, Impaired, Accumulated Impairment Loss Net Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest [Abstract] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Loss from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract] Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract] Federal income taxes: Federal Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current Federal Tax Expense (Benefit) Deferred Deferred Federal Income Tax Expense (Benefit) Total Federal Federal Income Tax Expense (Benefit), Continuing Operations State and local income taxes 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) Total State and local State and Local Income Tax Expense (Benefit), Continuing Operations Foreign income taxes: Foreign Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current Foreign Tax Expense (Benefit) Deferred Deferred Foreign Income Tax Expense (Benefit) Total Foreign Foreign Income Tax Expense (Benefit), Continuing Operations Document And Entity Information -- None. No documentation exists for this element. -- 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 Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Statement of Cash Flows [Abstract] Operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net income (loss) Income (loss) from discontinued operations Loss from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile loss from continuing operations to net cash provided by (used in) operating activities from continuing operations: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Deferred income taxes Deferred Income Tax Expense (Benefit) Stock-based compensation Share-based Compensation Loss (gain) on extinguishment of debt Non-cash income tax benefit Other Noncash Income Tax Expense Amortization of deferred financing costs Amortization of Deferred Charges Amortization of premium and discount on Senior Secured Notes Amortization of Debt Discount (Premium) Provision for doubtful accounts Provision for non-cash restructuring charges Change in accrual for excess facilities Unused Office Space, Accrual Adjustment The amount of any adjustments made during the period to the amount of a previously accrued liability for unused office space. Changes in assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventoried costs Increase (Decrease) in Inventories Prepaid expenses Increase (Decrease) in Prepaid Expense Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses Increase (Decrease) in Other Accrued Liabilities Accrued compensation Increase (Decrease) in Employee Related Liabilities Accrued interest Increase (Decrease) in Interest Payable, Net Billings in excess of costs and earnings on uncompleted contracts Increase (Decrease) in Billing in Excess of Cost of Earnings Income tax receivable and payable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by (used in) operating activities from continuing operations Cash paid for acquisitions, net of cash acquired Change in restricted cash Borrowing under credit facility Proceeds from Long-term Lines of Credit Repayments under credit facility Repayments of Long-term Lines of Credit Debt issuance costs Proceeds from exercise of restricted stock units, employee stock options, and employee stock purchase plan Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Net investing cash flows of discontinued operations Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid during the year for interest Interest Paid Net cash paid during the year for income taxes Income Taxes Paid, Net Noncash Investing and Financing Items [Abstract] Noncash Investing and Financing Items [Abstract] Capital expenditures included in accounts payable and accrued expenses Capital Expenditures Incurred but Not yet Paid Liability for contingent consideration and goodwill related to acquisition Business Combination, Contingent Consideration, Liability Schedule of Future Minimum Lease Payments, Capital and Operating Leases Schedule of Future Minimum Lease Payments, Capital and Operating Leases [Table Text Block] Schedule of Future Minimum Lease Payments, Capital and Operating Leases [Table Text Block] Schedule of Unused Facilities Accrual Roll-forward Schedule of Unused Facilities Accrual Roll Forward [Table Text Block] Schedule of Unused Facilities Accrual Roll Forward [Table Text Block] Condensed Consolidating Financial Statements Condensed Financial Statements [Text Block] Income taxes receivable Income Taxes Receivable, Current Prepaid expenses Prepaid Expense, Current Other current assets Other Assets, Current Accrued expenses Accrued Liabilities, Current Accrued interest Interest Payable, Current Other current liabilities Other Liabilities, Current Current portion of long-term debt Long-term Debt, Current Maturities Current liabilities of discontinued operations Long-term debt principal, net of current portion Long-term Debt, Excluding Current Maturities Deferred income tax liability Deferred Tax Liabilities, Net, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Long-term liabilities of discontinued operations Commitments and contingencies Commitments and Contingencies Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.001 par value, 5,000,000 authorized, 0 shares outstanding at December 25, 2016 and December 27, 2015 Preferred Stock, Value, Issued Common stock, $0.001 par value, 195,000,000 shares authorized; 73,945,533 and 59,139,651 shares issued and outstanding at December 25, 2016 and December 27, 2015, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders’ equity Carrying Amount Fair Value Long-term Debt, Fair Value Original issue discount Debt issuance costs Debt Issuance Costs, Net Maturities of Long-term Debt [Abstract] Long-term Debt, Fiscal Year Maturity [Abstract] Maturities of long-term debt in 2017 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Maturities of long-term debt in 2018 Long-term Debt, Maturities, Repayments of Principal in Year Two Total revenues Cost of service revenues Cost of Services Cost of product sales Cost of Goods Sold Total costs Cost of Revenue Gross profit Selling, general and administrative expenses Selling General, And Administrative Expense, Business Acquisition Related Costs, And Other Impairment Charges Selling General, And Administrative Expense And Business Acquisition Related Costs Research and development expenses Research and Development Expense Operating income (loss) from continuing operations Other income (expense): Other Nonoperating Income (Expense) [Abstract] Interest income (expense), net Interest Income (Expense), Nonoperating, Net Gain (loss) on extinguishment of debt Other income (expense), net Other Nonoperating Income (Expense) Total other expense, net Nonoperating Income (Expense) Income (loss) from continuing operations Income (loss) from discontinued operations Equity in net income (loss) of subsidiaries Equity In Net Income (Loss) Of Subsidiaries Equity In Net Income (Loss) Of Subsidiaries Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Organization and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Land and buildings Land and Building [Member] Furniture and office equipment Office Equipment [Member] Leasehold improvements Leasehold Improvements [Member] Construction in progress Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property and equipment Property, Plant and Equipment, Gross Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property and equipment, net Depreciation expense Depreciation and Amortization of Leased Assets Depreciation and Amortization of Leased Assets Lease Commitments Leases of Lessee Disclosure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Expected life Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Risk-free interest rate, lower range (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate, upper range (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Volatility, lower range (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Volatility, upper range (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Forfeiture rate (percent) Share-based Compensation Arrangement by Share-based Payment Award, Forfeiture Rate Share-based Compensation Arrangement by Share-based Payment Award, Forfeiture Rate Dividend yield (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Shares from stock options and awards Stock Options and Stock Awards [Member] Stock Options and Stock Awards [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Net Loss Per Common Share Earnings Per Share [Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] U.S. Government Government [Member] Billed Billed Revenues [Member] Unbilled Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Total current accounts receivable Accounts Receivable, Gross, Current Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Total accounts receivable, net Retainages receivable Contract Receivable Retainage Total U.S. Government contract receivables Accounts Receivable, Net Inventory, Net of Allowances, Customer Advances and Progress Billings [Abstract] Inventory, Net of Allowances, Customer Advances and Progress Billings [Abstract] Raw materials Inventory, Raw Materials, Net of Reserves Work in process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Supplies and other Other Inventory, Net of Reserves Subtotal inventoried costs Inventory, Net Less customer advances and progress payments Progress Payments Netted Against Inventory for Long-term Contracts or Programs Total inventoried costs Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Selling, general and administrative expenses Selling, General and Administrative Expense Merger and acquisition related items Business Combination, Acquisition Related Costs Unused office space and other restructuring Impairment Charges And Adjustments To Unused Office Space Liability Impairment Charges And Adjustments To Unused Office Space Liability Interest expense, net Income (loss) from operations of discontinued component (including gain on disposal of $80.8 million for the year ended December 27, 2015) Basic income and loss per common share: Net income (loss) per common share (in dollars per share) Diluted income and loss per common share: Net income (loss) per common share (in dollars per share) Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Comprehensive Income (Loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Change in cumulative translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Postretirement benefit reserve adjustment net of tax expense Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income (loss) Accrued compensation Disposal Group, Including Discontinued Operation, Employee-related Liabilities, Current Disposal Group, Including Discontinued Operation, Employee-related Liabilities, Current Other current liabilities Disposal Group, Including Discontinued Operation, Other Liabilities, Current Current liabilities of discontinued operations Other long-term liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent 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] Balance at the beginning of period Unrecognized Tax Benefits Increases related to prior periods (acquired entities) Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Increases related to current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Expiration of applicable statutes of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Decreases related to disposition Unrecognized Tax Benefits, Decrease Resulting from Disposition Unrecognized Tax Benefits, Decrease Resulting from Disposition Balance at the end of period Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2017 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Five Total Finite-Lived Intangible Assets, Net Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer relationships Customer Relationships [Member] Contracts and backlog Contracts and Backlog [Member] Contracts and Backlog [Member] Developed technology and technical know-how Developed Technology Rights [Member] Trade names Trade Names [Member] Favorable operating lease Favorable Operating Lease [Member] Favorable Operating Lease [Member] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Acquired finite-lived intangible assets: Finite-Lived Intangible Assets, Net [Abstract] Gross Value Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Indefinite-lived trade names Indefinite-Lived Intangible Assets (Excluding Goodwill) Total intangible assets, Gross Value Intangible Assets (Excluding Goodwill), Gross Intangible Assets (Excluding Goodwill), Gross Total intangible assets, Net Value Aggregate amortization expense for finite-live intangible assets Amortization of Intangible Assets Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Number of shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Minimum weekly employment threshold to qualify for ESPP Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award, Minimum Weekly Employment Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award, Minimum Weekly Employment Minimum annual employment threshold to qualify for ESPP Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award, Minimum Annual Employment Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award, Minimum Annual Employment Maximum percentage of employee compensation eligible to purchase shares under ESPP (percent) Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate Purchase price of common stock as a percent of fair market value (percent) Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Cumulative number of shares issued under ESPP (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Number of shares available for future issuance (in shares) Number of shares issued under the plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Average share price of shares issued under the plan Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased Expected term (in years) Expected volatility, lower range (percent) Expected volatility, upper range (percent) Expected dividend yield (percent) Weighted average grant-date fair value per share (in dollars per share)