Discontinued Operations and Disposal Groups [Abstract] 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] Business Combinations [Abstract] 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] SecureInfo Corporation SecureInfo Corporation [Member] SecureInfo [Member] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Earnout Earnout [Member] Earnout [Member] Holdback escrow Holdback Escrow [Member] Holdback Escrow [Member] Purchase price adjustment Purchase Price Adjustment [Member] Purchase Price Adjustment [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Cost of Acquired Entity [Abstract] Business Acquisition, Cost of Acquired Entity [Abstract] Purchase price Business Acquisition, Cost of Acquired Entity, Purchase Price Contingent consideration, fair value Business Acquisition, Contingent Consideration, at Fair Value 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 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 Revenues Operating income (loss) Operating Income (Loss) Goodwill and Intangible Assets Disclosure [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2012 (remaining six 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 Finite-Lived Intangible Assets, Net Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Fiscal Year [Table] Fiscal Year [Table] Fiscal Year [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] 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 Second Quarter Year To Date Duration Second Quarter Year To Date Duration Earnings Per Share [Abstract] Loss from continuing operations available for common stockholders (A) Income (Loss) from Continuing Operations Attributable to Parent Weighted average outstanding shares of common stock (B) Weighted Average Number of Shares Outstanding, Basic Dilutive effect of employee stock options and awards Incremental Common Shares Attributable to Share-based Payment Arrangements Common stock and common stock equivalents (C) Weighted Average Number of Shares Outstanding, Diluted Basic (A/B) Income (Loss) from Continuing Operations, Per Basic Share Diluted (A/C) Income (Loss) from Continuing Operations, Per Diluted Share Schedule of Product Warranty Liabilities Schedule of Product Warranty Liability [Table Text Block] Income Tax Disclosure [Abstract] Schedule of components of income tax expense (benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] 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 goodwill impairment charges Income Tax Reconciliation, Nondeductible Expense, Impairment Losses Nondeductible expenses and other Income Tax Reconciliation, Nondeductible Expense, Other Release of valuation allowance due to Acquisitions Income Tax Reconciliation, Deductions, Other 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 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] 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 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 Common Stock [Member] Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Net income (loss) adjustment, pro forma Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Weighted average number of basic and diluted shares outstanding adjustment, pro forma Weighted Average Number Basic Shares Outstanding Adjustment, Pro Forma 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 Balance as of June 24, 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 Debt Disclosure [Abstract] Principal Debt Instrument, Face Amount Carrying amount Long-term Debt Fair value Long-term Debt, Fair Value Long-term debt premium Debt Instrument, Unamortized Premium 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] Critical Infrastructure Business Critical Infrastructure Business [Member] Critical Infrastructure Business [Member] Integral Systems, Inc. Integral Systems Inc [Member] Integral Systems [Member] Herley Industries, Inc. Herley Industries Inc [Member] Herley Industries Inc [Member] 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 Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Composite Engineering, Inc. Composite Engineering, Inc. [Member] Composite Engineering, Inc. [Member] 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] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Preferred stock Preferred Stock [Member] Common stock Class of Stock [Line Items] Class of Stock [Line Items] Common stock issued to fund purchase of CEI (shares) Stock Issued During Period, Shares, Acquisitions 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 Proceeds from the issuance of common stock Proceeds from Issuance of Common Stock 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 Inventory Disclosure [Abstract] Inventoried Costs Inventory Disclosure [Text Block] 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] 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] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Preliminary Preliminary [Member] Preliminary [Member] Final Final [Member] Final [Member] 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 Stock Issued During Period, Value, Acquisitions Change in control obligations assumed Business Combination, Separately Recognized Transactions, Liabilities Recognized Combined transaction expenses Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized Common stock issued in acquisition, shares Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Stated interest rate percentage Debt Instrument, Interest Rate, Stated Percentage Issuance premium, percentage Debt Instrument, Issuance Premium, Percentage Debt Instrument, Issuance Premium, Percentage Number of years in business Years In Business Years In Business Revenues Debt Debt Disclosure [Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [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] Public Safety and Security Public Safety and Security [Member] Public Safety and Security [Member] Kratos Government Solutions Kratos Government Solutions [Member] Kratos Government Solutions operating/reportable segment Goodwill [Line Items] Goodwill [Line Items] Goodwill impairment charge associated with discontinued operations Goodwill, Impairment Loss 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 Goodwill Additions due to business combinations Goodwill, Acquired During Period Balance as of June 24, 2012 Accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Acquisitions Business Combination Disclosure [Text Block] Fair value of long-term debt Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] 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] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Business acquisition Business Acquisition [Member] Business Acquisition [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] Key CEI personnel Management [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] Credit Facility [Axis] Credit Facility [Axis] Senior Secured Revolving Credit Facility [Domain] Credit Facility [Domain] Revolving credit facility Revolving Credit Facility [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Total purchase price Cash paid as part of purchase price Common stock issued as part of purchase price Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable Eliminated accounts payable from CEI Business Acquisition, Cost of Acquired Entity, Other Noncash Consideration Additional tax liability incurred by the shareholders of CEI for making a Section 338(h)(10) IRC election Business Acquisition, Cost of Acquired Entity, Liabilities Incurred Estimated tax-deductible goodwill, amount Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount Tax deduction realization period Tax Deduction Realization Period Tax Deduction Realization Period Number of Restricted Stock Units granted to key CEI personnel Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance Line of credit borrowings to fund acquisition Line of Credit Facility, Amount Outstanding 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 Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition 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 acquisition Stockholders' equity at end of period 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 Inventory, Net of Allowances, Customer Advances and Progress Billings Segment Reporting [Abstract] 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] 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 Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] 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] Debt Instrument [Line Items] Debt Instrument [Line Items] 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 Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] 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 Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Consolidated amortization expense related to intangible assets subject to amortization Amortization of Intangible Assets Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Segment Information Segment Reporting Disclosure [Text Block] Statement of Cash Flows [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Less: Income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Loss from continuing operations 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] 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 Increase (Decrease) in Interest Payable, Net 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 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 Cash paid for contingent acquisition consideration Business Acquisition Contingent Consideration Cash Paid Amount of cash payments that resulted from a contingent consideration arrangement in a business acquisition. Decrease in restricted cash Increase (Decrease) in Restricted Cash Capital expenditures Payments for (Proceeds from) Other 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] Proceeds from the issuance of long-term debt Proceeds from Issuance of Senior Long-term Debt Debt issuance costs Payments of Debt Issuance Costs Repayment under credit facility Repayments of Long-term Lines of Credit Cash paid for contingent acquisition consideration Payments of Merger Related Costs, Financing Activities Other Proceeds from (Payments for) Other Financing Activities Net cash provided by 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 in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Net Income (Loss) Per Common Share Earnings Per Share [Text Block] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] 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 Line of Credit Facility [Table] Line of Credit Facility [Table] 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] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity 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 Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity 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 Statement of Financial Position [Abstract] Convertible Preferred Stock [Member] Convertible Preferred Stock [Member] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Restricted cash Restricted Cash and Cash Equivalents, Current Accounts receivable, net Accounts Receivable, Net, Current Inventoried costs Prepaid expenses Prepaid Expense, Current Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Goodwill Intangible assets, net Intangible Assets, Net (Excluding Goodwill) 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, Current Accrued compensation Employee-related Liabilities, Current Accrued interest payable Interest Payable, Current Billings in excess of costs and earnings on uncompleted contracts Billings in Excess of Cost Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt principal, net of current portion Long-term Debt, Excluding Current Maturities Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, 5,000,000 shares authorized, $0.001 par value, 0 shares outstanding at December 25, 2011 and June 24, 2012 Preferred Stock, Value, Issued Common stock, $0.001 par value, 195,000,000 shares authorized; 32,421,135 and 52,518,189 shares issued and outstanding at December 25, 2011 and June 24, 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 Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Shares authorized Preferred Stock, Shares Authorized Par value Preferred Stock, Par or Stated Value Per Share Shares outstanding Preferred Stock, Shares Outstanding 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 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 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, Next Five Years Operating Loss Carryforwards, Federal Annual Utilization Limit, Next Five Years 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 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] Schedule of segment revenues, operating income, and assets Schedule of Segment Reporting Information, by Segment [Table Text Block] 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] Shares from preferred stock 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 Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Income Taxes Income Tax Disclosure [Text Block] 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 Pro forma net loss 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 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] Other income (expense), net Other Nonoperating Income (Expense) 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 Schedule of inventoried costs Schedule of Inventory, Current [Table Text Block] Significant Customers Significant Customers Disclosure [Text Block] Significant Customers Disclosure [Text Block] Income Statement [Abstract] Service revenues Sales Revenue, Services, Net Product sales Sales Revenue, Goods, Net Total revenues Revenue, Net Cost of service revenue 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 Research and development expenses Research and Development Expense Impairments and adjustments to the liability for unused office space Impairment Charges And Adjustments To Unused Office Space Liability Impairment Charges And Adjustments To Unused Office Space Liability Operating income from continuing operations Other income (expense): Other Nonoperating Income (Expense) [Abstract] Interest expense, net Interest Income (Expense), Nonoperating, Net Other income, net Total other expense, net Nonoperating Income (Expense) Loss from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision (benefit) for income taxes from continuing operations Income Tax Expense (Benefit) Loss from continuing operations Income (loss) from discontinued operations Basic loss per common share: Earnings Per Share, Basic [Abstract] Net loss from continuing operations 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 loss per common share: Earnings Per Share, Diluted [Abstract] Net loss from continuing operations 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 Diluted Other comprehensive income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Change in cumulative translation adjustment Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Debt [Abstract] Debt [Abstract] 10-year term loan Loans Payable [Member] Quarterly installment payment - principal Debt Instrument, Periodic Payment, Principal 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] 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] Number of principal business segments Number of Operating Segments Operating income Assets 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] 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, 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 Sale proceeds (cash consideration and assumption of certain liabilities) Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds 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 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 Non-current unrecognized tax benefits Disposal Group Including Discontinued Operation Noncurrent Unrecognized Tax Benefits Disposal Group Including Discontinued Operation Noncurrent Unrecognized Tax Benefits 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 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 Company frequently maintains cash balances in excess of the FDIC insured amount of Cash, FDIC Insured Amount Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Subsequent Events Subsequent Events [Text Block]