Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Series B Convertible Preferred Stock Redeemable Convertible Preferred Stock [Member] Statement [Line Items] Statement [Line Items] Preferred Stock: Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Shares authorized Preferred Stock, Shares Authorized Par value Preferred Stock, Par or Stated Value Per Share Shares outstanding Preferred Stock, Shares Outstanding Common Stock: Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Par value Common Stock, Par or Stated Value Per Share Shares authorized Common Stock, Shares Authorized Shares issued Common Stock, Shares, Issued Shares outstanding Common Stock, Shares, Outstanding Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Business Combinations [Abstract] Acquisitions Business Combination Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] 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] Senior notes Senior Notes [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior Notes due June 2017 Ten Percent Senior Notes Due June 2017 [Member] Senior Notes Due June 2017 [Member] Credit Facility [Axis] Credit Facility [Axis] Senior Secured Revolving Credit Facility [Domain] Credit Facility [Domain] Revolving credit facility Revolving Credit Facility [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Company frequently maintains cash balances in excess of the FDIC insured amount of Cash, FDIC Insured Amount Stated interest rate percentage Debt Instrument, Interest Rate, Stated Percentage Principal amount outstanding Debt Instrument, Face Amount Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Discontinued Operations and Disposal Groups [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Discontinued operations Segment, Discontinued Operations [Member] Business Segments [Axis] Business Segments [Axis] Segment [Domain] Segment [Domain] Integral Systems, Inc. Integral Systems Inc [Member] Integral Systems [Member] Public Safety and Security Public Safety and Security [Member] Public Safety and Security [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] Goodwill impairment charge associated with discontinued operations Goodwill, Impairment Loss Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Revenue Disposal Group, Including Discontinued Operation, Revenue Net income (loss) before taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Benefit for income taxes Discontinued Operation, Tax Effect of Discontinued Operation Net income (loss) after taxes Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] Cash Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Accounts receivable, net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Other current assets Disposal Group, Including Discontinued Operation, Other Current Assets Current assets of discontinued operations Assets of Disposal Group, Including Discontinued Operation, Current Other non-current assets Disposal Group, Including Discontinued Operation, Other Noncurrent Assets Non-current assets of discontinued operations Assets of Disposal Group, Including Discontinued Operation, Noncurrent Accounts payable Disposal Group, Including Discontinued Operation, Accounts Payable Accrued expenses Disposal Group, Including Discontinued Operation, Accrued Liabilities Other current liabilities Disposal Group, Including Discontinued Operation, Other Current Liabilities Current liabilities of discontinued operations Liabilities of Disposal Group, Including Discontinued Operation, Current Other non-current liabilities Disposal Group, Including Discontinued Operation, Other Noncurrent Liabilities Non-current liabilities of discontinued operations Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent Segment Reporting [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Schedule of segment revenues, operating income, and assets Schedule of Segment Reporting Information, by Segment [Table Text Block] Condensed Consolidating Financial Statements [Abstract] Condensed Consolidating Financial Statements [Abstract] Schedule of Condensed Balance Sheet Schedule of Condensed Balance Sheet [Table Text Block] Schedule of Condensed Statement of Operations and Comprehensive Income 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 Cash Flow Statement Schedule of Condensed Cash Flow Statement [Table Text Block] Equity [Abstract] Summary of changes in stockholders' equity Schedule of Stockholders Equity [Table Text Block] Rollforward of common stock outstanding Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Schedule of income statement and balance sheet disclosures for discontinued operations Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Debt Disclosure [Abstract] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Numerator Numerator [Member] Numerator [Member] Denominator Denominator [Member] Denominator [Member] Redemption Date [Axis] Redemption Date [Axis] Effective Date [Axis] Redemption Date [Domain] Redemption Date [Domain] Effective Date [Domain] Between 6/1/2014 and 6/1/2015 Redemption Period Two [Member] June First Twenty Fourteen Through June First Twenty Fifteen [Member] Between 6/1/2015 and 6/1/2016 Redemption Period Three [Member] June First Twenty Fifteen Through June First Twenty Sixteen [Member] After 6/1/2016 Redemption Period Four [Member] After June First Twenty Sixteen [Member] Prior to 6/1/2013 Redemption Period One [Member] Prior To June First Twenty Thirteen [Member] Long-term debt premium Debt Instrument, Unamortized Premium Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Fixed charge coverage ratio Debt Instrument Fixed Charge Coverage Ratio Line Of Credit Facility Fixed Coverage Ratio Redemption price as percentage of aggregate principal amount Debt Instrument Redemption Price As A Percentage of Aggregate Principal Amount Debt Instrument Redemption Price As A Percentage of Aggregate Principal Amount Permitted redemption amount as percentage of aggregate principal 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 Schedule of Condensed Financial Statements [Table] Schedule of Condensed Financial Statements [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Parent Company Parent [Member] 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] 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 Amounts due from affiliated companies Due from Affiliate, Noncurrent Other assets Other Assets, Noncurrent Total assets Assets Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses Accrued Liabilities And Interest Payable, Current Accrued Liabilities And Interest Payable, 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, 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 Amounts due to affiliated companies Due to Affiliate, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Total stockholders' equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and stockholders' equity Liabilities and Equity Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] 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] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Stockholders' equity at beginning of period Common Stockholders' Equity Net loss Net Income (Loss) Attributable to Parent Foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Additional paid-in capital from the issuance of common stock for cash Stock Issued During Period, Value, New Issues Additional paid-in capital from the issuance of common stock for acquisition of CEI Stock Issued During Period, Value, Acquisitions Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Restricted Stock Units traded for taxes Restricted Stock Units Traded for Taxes, Value Restricted Stock Units Traded for Taxes, Value Employee stock purchase plan and restricted stock units settled in cash Stock Issued During Period, Value, Employee Stock Purchase Plan Exercise of stock options and warrants Stock Issued During Period, Value, Stock Options Exercised Fair value of stock options assumed in acquisitions Stock Options Assumed in Acquisition, Fair Value Stock Options Assumed in Acquisition, Fair Value Stockholders' equity at end of period Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Herley Industries, Inc. Herley Industries Inc [Member] Herley Industries Inc [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Pro Forma Information [Abstract] Business Acquisition, Pro Forma Information [Abstract] Pro forma revenues Business Acquisition, Pro Forma Revenue Pro forma net loss before tax Business Acquisition Pro Forma Income Loss From Continuing Operations Before Income Taxes Business Acquisition Pro Forma Income (Loss) From Continuing Operations Before Income Taxes Net loss attributable to the registrant Business Acquisition, Pro Forma Net Income (Loss) Net income (loss) attributable to the registrant Business Acquisition, Pro Forma Net Income (Loss) Available To Common Stockholders Basic Business Acquisition, Pro Forma Net Income (Loss) Attributable to Parent Basic and diluted pro forma loss per share Business Acquisition, Pro Forma Earnings Per Share, Basic Merger and acquisition expenses Business Combination, Acquisition Related Costs Common stock issued in acquisition, shares Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Schedule of Revenue by Major Customers, by Reportiing Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Major Customers [Axis] Major Customers [Axis] Name of Major Customer [Domain] Name of Major Customer [Domain] U.S. Government U.S. Government [Member] U.S. Government, major customer [Member] Operating segments Operating Segments [Member] Kratos Government Solutions Kratos Government Solutions [Member] Kratos Government Solutions operating/reportable segment Minimum Minimum [Member] Maximum Maximum [Member] Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Sales to the U.S. Government - amount Entity-Wide Revenue, Major Customer, Amount Sales to the U.S. Government - percentage of total revenue Entity-Wide Revenue, Major Customer, Percentage Amount of budget deficit reductions mandated by The Budget Control Act of 2011 Budget Deficit Reductions Amount U.S. Gov't budget deficit reductions mandated by The Budget Control Act of 2011 Carrying amount Long-term Debt Fair value Long-term Debt, Fair Value Composite Engineering, Inc. Composite Engineering, Inc. [Member] Composite Engineering, Inc. [Member] Critical Infrastructure Business Critical Infrastructure Business [Member] Critical Infrastructure Business [Member] SecureInfo Corporation SecureInfo Corporation [Member] SecureInfo [Member] Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Cash Equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Cash Equivalents Accounts receivable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accounts Receivable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accounts Receivable Inventoried costs Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Total assets Business Combination, Recognized Identifiable Assets Acquired and Goodwill Business Combination, Recognized Identifiable Assets Acquired and Goodwill Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Net assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Business Acquisition, Purchase Price Allocation [Abstract] Business Acquisition, Purchase Price Allocation [Abstract] Cash Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents Accounts receivable Business Acquisition, Purchase Price Allocation, Current Assets, Receivables Inventoried costs Business Acquisition, Purchase Price Allocation, Current Assets, Inventory Deferred tax assets Business Acquisition, Purchase Price Allocation, Deferred Tax Assets, Noncurrent Other assets Business Acquisition, Purchase Price Allocation, Other Assets Property and equipment Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Intangible assets Business Acquisition, Purchase Price Allocation, Intangible Assets Other than Goodwill Goodwill Business Acquisition, Purchase Price Allocation, Goodwill Amount Total assets Business Acquisition, Purchase Price Allocation, Assets Acquired Current liabilities Business Acquisition, Purchase Price Allocation, Current Liabilities Deferred tax liabilities Business Acquisition Purchase Price Allocation Deferred Tax Liabilities Business Acquisition Purchase Price Allocation Deferred Tax Liabilities Debt Business Acquisition, Purchase Price Allocation, Debt Business Acquisition, Purchase Price Allocation, Debt Long-term liabilities Business Acquisition, Purchase Price Allocation, Noncurrent Liabilities Net assets acquired Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Significant reconciling items Significant Reconciling Items [Member] Unallocated corporate expense, net Unallocated Amount to Segment [Member] Corporate activities Corporate [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Proceeds from the issuance of common stock Proceeds from Issuance of Common Stock Number of principal business segments Number of Operating Segments Revenues Revenues Operating income Operating Income (Loss) Common stock issued for acquisitions Stock Issued During Period, Shares, Acquisitions Income Tax Disclosure [Abstract] Schedule of components of income tax expense (benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Preferred stock Preferred Stock [Member] Common stock Common Stock [Member] Class of Stock [Line Items] Class of Stock [Line Items] Common stock issued for cash Stock Issued During Period, Shares, New Issues Purchase price per share Share Price Gross proceeds from issuance of common stock Proceeds From Issuance Of Common Stock Gross Proceeds From Issuance Of Common Stock Gross Preferred stock redeemed during period - shares Stock Redeemed or Called During Period, Shares Common stock issued as consideration in redemption of Series B Convertible Preferred Stock - shares Stock Issued During Period, Shares, Other Service revenues Sales Revenue, Services, Net Product sales Sales Revenue, Goods, Net Total revenues Revenue, Net Cost of service revenues Cost of Services Cost of product sales Cost of Goods Sold Total costs Cost of Revenue Gross profit 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 from continuing operations Other income (expense): Other Nonoperating Income (Expense) [Abstract] Interest expense, net Interest Income (Expense), Nonoperating, Net Other income, net Other Nonoperating Income (Expense) Total other income and expense, net Nonoperating Income (Expense) Income (loss) from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes from continuing operations Income Tax Expense (Benefit) Income (loss) from continuing operations Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Equity in net income (loss) of subsidiaries Equity In Net Income (Loss) Of Subsidiaries Equity In Net Income (Loss) Of Subsidiaries Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Debt Disclosure [Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] First credit facility with KeyBank Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Interest rate swap Interest Rate Swap [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Other income, net Schedule of Product Warranty Liabilities Schedule of Product Warranty Liability [Table Text Block] Condensed Consolidating Financial Statements Condensed Financial Statements [Text Block] Net cash provided by (used in) operating activities 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 Decrease in restricted cash Increase (Decrease) in Restricted Cash Capital expenditures Payments for (Proceeds from) Productive Assets 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] Proceeds from the issuance of long-term debt Proceeds from Issuance of Senior Long-term Debt Debt issuance costs Payments of Debt Issuance Costs Borrowing under the line of credit Proceeds from Long-term Lines of Credit Repayment of debt Repayments of Long-term Lines of Credit Cash paid for contingent acquisition consideration Payments of Merger Related Costs, Financing Activities Financing from affiliated companies Proceeds from Contributions from Affiliates Other, net Proceeds from (Payments for) Other Financing Activities 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 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) Income Taxes Income Tax Disclosure [Text Block] LIBOR base rate LIBOR Base Rate Borrowings [Member] LIBOR Base Rate Borrowings [Member] Base rate other than LIBOR Base Rate Other Than LIBOR Borrowings [Member] Base Rate Other Than LIBOR Borrowings [Member] Letter of credit Letter of Credit [Member] Swing line loan Swing Line Loan [Member] Swing Line Loan [Member] Maturity period Debt Instrument, Maturity Period Line Of Credit Facility, Maturity Period Maximum possible borrowing capacity subject to application and bank 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 Description of variable rate basis Debt Instrument, Description of Variable Rate Basis Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Base rate (the greater of prime rate or 0.5% over federal funds rate) Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum Base rate (floor, 1.0% over one-month LIBOR) Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum Commitment fee Line of Credit Facility, Commitment Fee Percentage Outstanding borrowings Line of Credit Facility, Amount Outstanding Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Goodwill impairment charge associated with discontinued operations Goodwill, Access Of Fair Value Over Carrying Value, Percentage Goodwill, Access Of Fair Value Over Carrying Value, Percentage Goodwill, Access Of Fair Value Over Carrying Value, Percentage Goodwill [Roll Forward] Goodwill [Roll Forward] Balance as of December 25, 2011 Goodwill, Gross Retrospective adjustments Goodwill, Other Changes Balance as of December 25, 2011 after retrospective adjusments Additions due to business combinations Goodwill, Acquired During Period Balance as of June 24, 2012 Accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Income Tax Contingency [Table] Income Tax Contingency [Table] Statement, Operating Activities Segment [Axis] Statement, Operating Activities Segment [Axis] Segment, Operating Activities [Domain] Segment, Operating Activities [Domain] Continuing operations Segment, Continuing Operations [Member] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Unrecognized tax benefits that if recognized would affect effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized tax benefits reduction relating to expiration of statutes of limitations Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations Unrecognized tax benefits reduction resulting from completion of IRS audit Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities Unrecognized tax benefits of Integral Systems, Inc., decrease based on updated analysis Unrecognized Tax Benefits, Decreases Resulting from Acquisition Income tax penalties and interest expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Benefit for interest and penalties related to reversal of prior positions Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions Liabilities for uncertain tax positions that will expire within 12 months Liabilities For Uncertain Tax Positions That Will Expire Within Twelve Months Liabilities For Uncertain Tax Positions That Will Expire Within Twelve Months Change of ownership condition, initial percent of ownership of a loss corporation Income Tax Disclosure, Loss Corporation, Equity Ownership Interest, Percentage Income Tax Disclosure, Loss Corporation, Equity Ownership Interest, Percentage Change of ownership condition, percent change in ownership of a loss corporation Income Tax Disclosure, Loss Corporation, Equity Ownership Interest Increase, Percentage Income Tax Disclosure, Loss Corporation, Equity Ownership Interest Increase, Percentage Change in ownership condition, period within which change in ownership must occur Income Tax Disclosure, Loss Corporation, Equity Ownership Interest Increase Period Income Tax Disclosure, Loss Corporation, Equity Ownership Interest Increase Period 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 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 Inventory Disclosure [Abstract] Schedule of inventoried costs Schedule of Inventory, Current [Table Text Block] Income Statement [Abstract] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Total revenues Total costs Gross profit Selling, general and administrative expenses Selling, General and Administrative Expense Unused office space and other Impairment Charges And Adjustments To Unused Office Space Liability Impairment Charges And Adjustments To Unused Office Space Liability Interest expense, net Total other expense, net Loss from continuing operations before income taxes Loss from continuing operations Net loss Basic income (loss) per common share: Earnings Per Share, Basic [Abstract] Net loss from continuing operations Income (Loss) from Continuing Operations, Per Basic Share Net income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Net loss per common share Earnings Per Share, Basic Diluted income (loss) per common share: Earnings Per Share, Diluted [Abstract] Net loss from continuing operations Income (Loss) from Continuing Operations, Per Diluted Share Net income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Net loss per common share Earnings Per Share, Diluted Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic Weighted Average Number of Shares Outstanding, Basic Diluted Weighted Average Number of Shares Outstanding, Diluted Comprehensive Loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Net loss from above Other comprehensive income: 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 Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax Comprehensive loss Business Combination, Separately Recognized Transactions [Axis] Business Combination, Separately Recognized Transactions [Axis] Business Combination, Separately Recognized Transactions [Domain] Business Combination, Separately Recognized Transactions [Domain] Change in control obligations Business Combination, Change In Control Obligations [Member] Business Combination, Change In Control Obligations [Member] Combined transaction expenses Business Combination, Combined Transaction Expenses [Member] Business Combination, Combined Transaction Expenses [Member] Preliminary Preliminary [Member] Preliminary [Member] Final Final [Member] Final [Member] Business Acquisition, Cost of Acquired Entity [Abstract] Business Acquisition, Cost of Acquired Entity [Abstract] Number of shares acquired Business Acquisition Number Of Shares Acquired Business Acquisition Number Of Shares Acquired Voting interests acquired, percentage Business Acquisition, Percentage of Voting Interests Acquired Fair value of non-controlling interest Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value Share price used to calculate fair value Business Acquisition, Share Price Non-controlling interest, number of shares Business Combination Acquisition Of Less Than 100 Percent Noncontrolling Interest Number Of Shares Business Combination Acquisition Of Less Than 100 Percent Noncontrolling Interest Number Of Shares Aggregate amount of cash paid Business Acquisition, Cost of Acquired Entity, Cash Paid Conversion to Kratos common stock ratio Business Acquisition, Acquiree's Stock Options Conversion Ratio Business Acquisition, Acquiree's Stock Options Conversion Ratio Common stock issued to assume the Herley Options (shares) Common stock issued to assume the Herley Options, fair value Purchase price Business Acquisition, Cost of Acquired Entity, Purchase Price Change in control obligations assumed Business Combination, Separately Recognized Transactions, Liabilities Recognized Combined transaction expenses Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized Issuance premium, percentage Debt Instrument, Issuance Premium, Percentage Debt Instrument, Issuance Premium, Percentage Number of years in business Years In Business Years In Business Business Combination, Acquired Receivables [Abstract] Business Combination, Acquired Receivables [Abstract] Acquired accounts receivable, gross Business Combination, Acquired Receivables, Gross Contractual Amount Acquired accounts receivable, estimated uncollectible Business Combination, Acquired Receivables, Estimated Uncollectible Revenues Operating income (loss) Principles of Consolidation Consolidation, Policy [Policy Text Block] Fiscal Year Fiscal Period, Policy [Policy Text Block] Accounting Policies and Accounting Standards Updates New Accounting Pronouncements, Policy [Policy Text Block] Concentrations and Uncertainties Concentrations And Uncertainties [Policy Text Block] Concentrations And Uncertainties Goodwill and intangible assets Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Inventoried costs Inventory, Policy [Policy Text Block] Earnings per share Earnings Per Share, Policy [Policy Text Block] 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 Total inventoried costs Inventory, Net Less customer advances and progress payments Progress Payments Netted Against Inventory for Long-term Contracts or Programs Total inventoried costs Shares outstanding at beginning of the period Stock issued for employee stock purchase plan, stock options and restricted stock units Stock Issued During Period, Shares, Employee Stock Purchase Plan, Stock Options And Restricted Stock Units Stock Issued During Period, Shares, Employee Stock Purchase Plan, Stock Options And Other Redemption of Series B Convertible Preferred Stock Conversion of Stock, Shares Issued Shares outstanding at end of the period Debt [Abstract] Debt [Abstract] 10-year term loan Loans Payable [Member] Quarterly installment payment - principal Debt Instrument, Periodic Payment, Principal Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Escrow account Holdback Escrow [Member] Holdback Escrow [Member] Type of Deferred Compensation [Axis] Type of Deferred Compensation [Axis] Type of Deferred Compensation, All Types [Domain] Type of Deferred Compensation, All Types [Domain] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Title of Individual [Axis] Title of Individual [Axis] Title of Individual with Relationship to Entity [Domain] Title of Individual with Relationship to Entity [Domain] Management Management [Member] Consideration transferred Business Combination, Consideration Transferred Contingent consideration, fair value Business Acquisition, Contingent Consideration, at Fair Value Common stock exchanged as consideration, value Business Combination, Consideration Transferred, Equity Interest Issued And Issuable Business Combination, Consideration Transferred, Equity Interest Issued And Issuable Consideration transferred, retirement of acquiree's debt Business Combination, Consideration Transferred, Retirement Of Acquiree's Debt Business Combination, Consideration Transferred, Retirement Of Acquiree's Debt Consideration transferred, settlement of pre-existing accounts receivable Business Combination, Consideration Transferred, Other Additional tax liability incurred Business Acquisition, Cost of Acquired Entity, Liabilities Incurred Tax deductible goodwill Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount Tax deductible goodwill, deduction realization period Tax Deduction Realization Period Tax Deduction Realization Period Number of shares issued as part of long-term employement agreements Deferred Compensation Arrangement with Individual, Shares Issued Fair value of shares issued as part of long-term employement agreements Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued Share-based compensation, period for recognition Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 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] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Gross Value Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Value Finite-Lived Intangible Assets, Net Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Consolidated amortization expense related to intangible assets subject to amortization Amortization of Intangible Assets Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2012 (remaining three months) Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2013 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2014 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total Warranty Coverage Period [Table] Schedule of Product Information [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Product Warranties Product Warranties [Member] Product Warranties [Member] Warranty Coverage Period [Line Items] Product Information [Line Items] Warranty coverage period Product Warranty Accrual, Warranty Term Product Warranty Accrual, Warranty Term Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Balance at beginning of the period Product Warranty Accrual Costs accrued and revenues deferred Product Warranty Accrual, Warranties Issued Warranty liabilities assumed from acquisitions Product Warranty Accrual, Additions from Business Acquisition Settlements made (in cash or kind) and revenues recognized Product Warranty Accrual, Payments Balance at end of period Less: Current portion Product Warranty Accrual, Current Noncurrent accrued product warranty and deferred warranty revenue Product Warranty Accrual, Noncurrent Significant Customers Significant Customers Disclosure [Text Block] Significant Customers Disclosure [Text Block] Convertible Preferred Stock [Member] Convertible Preferred Stock [Member] Restricted cash Restricted Cash and Cash Equivalents, Current Prepaid expenses Prepaid Expense, Current Other current assets Other Assets, Current Total assets Accrued expenses Accrued Liabilities, Current Accrued interest Interest Payable, Current Long-term debt principal, net of current portion Long-term Debt, Excluding Current Maturities Commitments and contingencies Commitments and Contingencies Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.001 par value, 5,000,000 shares authorized, 0 shares outstanding at December 25, 2011 and September 30, 2012 Preferred Stock, Value, Issued Common stock, $0.001 par value, 195,000,000 shares authorized; 32,421,135 and 56,554,000 shares issued and outstanding at December 25, 2011 and September 30, 2012, 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 Total liabilities and stockholders' equity Fiscal Year [Table] Fiscal Year [Table] Fiscal Year [Table] Fiscal Year [Line Items] Fiscal Year [Line Items] Fiscal Year [Line Items] Fiscal year duration Fiscal Year Duration Fiscal Year Duration Second quarter year-to-date duration Fiscal Year To Date Duration Fiscal Year To Date Duration Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table] Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table] Nonrecurring Adjustment [Axis] Nonrecurring Adjustment [Axis] Nonrecurring Adjustment [Domain] Nonrecurring Adjustment [Domain] Acquisition-related expenses Acquisition-related Costs [Member] Intangible amortization Amortization Of Intangible Assets Adjustment [Member] Amortization Of Intangible Assets Adjustment [Member] Net change in stock compensation expense Allocated Share Based Compensation Expense Adjustment [Member] Allocated Share Based Compensation Expense Adjustment [Member] Net change in interest expense Interest Expense [Member] Net change in income tax benefit (expense) Income Tax Expense Benefit [Member] Income Tax Expense Benefit [Member] Increase in weighted average common shares outstanding for shares issued and not already included in the weighted average common shares outstanding Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Net income (loss) adjustment, pro forma Weighted average number of basic shares outstanding adjustment, pro forma Weighted Average Number Basic Shares Outstanding Adjustment, Pro Forma Schedule of purchase price allocation Schedule of Purchase Price Allocation [Table Text Block] Schedule of pro forma financial information Business Acquisition, Pro Forma Information [Table Text Block] Schedule of nonrecurring pro forma adjustments Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block] Schedule of contingent acquisition consideration Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block] Statement of Cash Flows [Abstract] Operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Less: Income (loss) from discontinued operations Loss from continuing operations Adjustments to reconcile loss from continuing operations to net cash provided by operating activities from continuing operations: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Deferred income taxes Deferred Income Tax Expense (Benefit) Stock-based compensation Share-based Compensation Mark to market on swaps Unrealized Gain (Loss) on Derivatives Amortization of deferred financing costs Amortization of Deferred Charges Amortization of premium on Senior Secured Notes Amortization of Debt Discount (Premium) Provision for doubtful accounts Provision for Doubtful Accounts 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 and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued compensation Increase (Decrease) in Employee Related Liabilities Accrued expenses Increase (Decrease) in Other Accrued Liabilities Accrued interest payable 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 operating activities from continuing operations Cash paid for acquisitions, net of cash acquired Decrease in restricted cash Net cash used in investing activities from continuing operations Debt issuance costs Repayment of debt Cash paid for contingent acquisition consideration Other Net cash provided by financing activities from continuing operations Net cash flows of continuing operations Net increase (decrease) in cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Inventoried Costs Inventory Disclosure [Text Block] 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 Current Reporting Status Entity Current Reporting Status Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Earnings Per Share [Abstract] Loss from continuing operations available for common stockholders (A) Weighted average outstanding shares of common stock (B) Dilutive effect of employee stock options and awards Incremental Common Shares Attributable to Share-based Payment Arrangements Common stock and common stock equivalents (C) Basic (A/B) Diluted (A/C) 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 [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Shares from stock options and awards Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] Federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Income tax benefit at federal statutory rate Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate State and foreign taxes, net of federal benefit and valuation allowance Income Tax Reconciliation State Income Taxes And Foreign Income Tax Rate Differential Current State And Foreign Tax Expense Benefit Nondeductible expenses and other Income Tax Reconciliation, Nondeductible Expense, Other Release of valuation allowance due to acquisitions Income Tax Reconciliation Release Of Valuation Allowance, Acquisitions Income Tax Reconciliation Release Of Valuation Allowance, Acquisitions Impact of indefinite lived deferred tax liabilities and state law changes Income Tax Reconciliation, Other Adjustments Settlement with IRS Income Tax Reconciliation, Tax Settlements, Domestic Increase/(Decrease) in reserves for uncertain tax positions Income Tax Reconciliation, Tax Contingencies Increase/(Decrease) in federal valuation allowance Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance Total Income Tax Expense (Benefit), Continuing Operations Net Income (Loss) Per Common Share Earnings Per Share [Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Earnout Earnout [Member] Earnout [Member] Holdback escrow Purchase price adjustment Purchase Price Adjustment [Member] Purchase Price Adjustment [Member] Closing working capital cutoff Business Combination Contingent Consideration Arrangement Basis For Amount Working Capital Business Combination Contingent Consideration Arrangement Basis For Amount Closing working capital, actual Business Combination Contingent Consideration Arrangement Basis For Amount Final Business Combination Contingent Consideration Arrangement Basis For Amount Final Working capital adjustment Business Combination, Contingent Consideration Arrangement, Working Capital Adjustment Business Combination, Contingent Consideration Arrangement, Working Capital Adjustment Business Acquisition, Cost of Acquired Entity, Purchase Price [Abstract] Business Acquisition, Cost of Acquired Entity, Purchase Price [Abstract] Number of days acquiree has to object to the Company's computation of the closing working capital Number Of Days To Object To Computation Of Closing Working Capital Number Of Days To Object To Computation Of Closing Working Capital Recurring Critical Infrastructure Business revenues, percentage Revenue, Recurring in Nature, Percent of business Revenue, Recurring in Nature, Percent of business Common stock issued in acquisition, fair value Business Acquisition, Equity Interest Issued or Issuable, Value Assigned Replacement stock options issued, fair value Business Acquisition, Equity Interest Issued or Issuable, Replacement Stock Options, Fair Value Business Acquisition, Replacement Stock Options, Fair Value Proceeds from issuance of senior notes, gross Proceeds from Issuance of Long-term Debt Accrued interest Debt Instrument, Increase, Accrued Interest Cash received by each Integral Systems stockholder Business Acquisition Consideration Transferred To Each Acquiree's Stockholder, Cash Business Acquisition Consideration Transferred To Each Acquiree's Stockholder, Cash Number of Kratos shares received by each Integral Systems stockholder for one share of Integral Systems common stock Business Acquisition Consideration Transferred To Each Acquiree's Stockholder, Company Shares, Per Share of Acquiree's Stock Business Acquisition Consideration Transferred To Each Acquiree's Stockholder, Company Shares, Per Share of Acquiree's Stock Integral Systems stock options exercise price cutoff for exhange terms Business Acquisition, Acquiree's Stock Options Exercise Price Basis For Exchange Terms Business Acquisition, Acquiree's Stock Options Exercise Price Basis For Exchange Terms Integral Systems stock options amount of cash condition for calculating consideration Business Acquisition, Acquiree's Stock Options Basis For Exchange Terms, Amount Business Acquisition, Acquiree's Stock Options Basis For Exchange Terms, Amount Conversion to Kratos stock options ratio Amount of cash received by each Integral Systems stockholder for each share of Integral Systems restricted stock Business Acquisition, Acquiree's Restricted Stock Conversion Terms, Right To Receive Cash, Amount Business Acquisition, Acquiree's Restricted Stock Conversion Terms, Right To Receive Cash, Amount Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Fair value of long-term debt Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table] Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table] DEI Services Corporation DEI Services Corporation [Member] DEI Services Corporation [Member] Business Acquisition, Contingent Consideration [Line Items] Business Acquisition, Contingent Consideration [Line Items] Balance as of December 25, 2011 Cash payments Business Acquisition Contingent Consideration Cash Payments Business Acquisition Contingent Consideration Cash Payments Adjustments Business Combination, Contingent Consideration, Adjustment Business Combination, Contingent Consideration, Adjustment Balance as of September 30, 2012 Fair value of contingent consideration, current Business Acquisition, Contingent Consideration, at Fair Value, Current Fair value of contingent consideration, noncurrent Business Acquisition, Contingent Consideration, at Fair Value, Noncurrent Potential cash payment for contingent consideration Business Acquisition, Contingent Consideration, Potential Cash Payment Potential reduction to prior and future contingent consideration Business Acquisition Contingent Consideration Potential Reduction Business Acquisition Contingent Consideration Potential Reduction Schedule of earnings per share, basic and diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] 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]