Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Award Timing Predetermined Award Timing Predetermined [Flag] Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] 2023 Equity Plan Two Thousand Twenty Three Equity Plan [Member] Two Thousand Twenty Three Equity Plan Entity File Number Entity File Number Additional Paid-In Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Business combination, holdback and other adjustments Business Combination, Consideration Transferred, Liabilities Incurred R&D tax credit Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Goodwill [Line Items] Goodwill [Line Items] Officer’s compensation 162(m) limitation Effective Income Tax Rate Reconciliation, Nondeductible, Officer’s Compensation 162(m) Limitation, Percent Effective Income Tax Rate Reconciliation, Nondeductible, Officer’s Compensation 162(m) Limitation, Percent Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Sierra Technical Services Inc Sierra Technical Services Inc [Member] Sierra Technical Services Inc Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost 2023 ESPP Two Thousand Twenty Three Employees Stock Purchase Plan [Member] Two Thousand Twenty Three Employees Stock Purchase Plan Stock, Class of Stock [Table] Stock, Class of Stock [Table] Number of shares issued under the plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Total cost of employee stock-based compensation included in operating income from consolidated operations Continuing Operations [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Sales to the U.S. Government, percentage of total revenue (percent) Concentration Risk, Percentage Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Other assets Increase (Decrease) in Other Operating Assets Principles of Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Deferred tax expense (benefit) from stock options exercised Deferred Tax Expense (Benefit) from Stock Options Exercised Deferred Tax Expense (Benefit) from Stock Options Exercised Notional Value Derivative Asset, Notional Amount Total Federal Federal Income Tax Expense (Benefit), Continuing Operations Employee Stock Option Share-Based Payment Arrangement, Option [Member] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Rate Effective Income Tax Rate Reconciliation, Percent [Abstract] Deferred expenses Deferred Tax Assets, Tax Deferred Expense Antidilutive Securities [Axis] Antidilutive Securities [Axis] Tax effect of change in unrealized cash flow hedge Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Total stockholders’ equity Equity, Attributable to Parent Other Comprehensive Income (Loss), Net of Tax [Abstract] Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Shares authorized (in shares) Common Stock, Shares Authorized Weighted- Average Remaining Contractual Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Remaining Contractual Term Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Remaining Contractual Term Issuance of common stock for equity raise (in shares) Stock Issued During Period, Shares, New Issues Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Concentrations and Uncertainties Concentration Risk, Credit Risk, Policy [Policy Text Block] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] State State and Local Jurisdiction [Member] Cover [Abstract] Cover [Abstract] Maximum Maximum [Member] Finite-lived intangible asset, useful life Finite-Lived Intangible Asset, Useful Life Less: Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Total Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Significant Customers Concentration Risk Disclosure [Text Block] ESPP offering & expense recognition period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Expense Recognition Period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Expense Recognition Period Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Kratos Government Solutions Kratos Government Solutions [Member] Kratos Government Solutions operating/reportable segment Number of additional common shares to be acquired (in shares) Business Combination, Consideration Transferred, Additional Equity Interests Issuable Business Combination, Consideration Transferred, Additional Equity Interests Issuable Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Common Stock: Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Schedule of Revenue by Major Customers, by Reportiing Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Outstanding aggregate principal value Long-Term Debt, Average Amount Outstanding Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from sale of assets Proceeds from Sale of Property, Plant, and Equipment Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating segments Operating Segments [Member] Schedule of Income Taxes Paid Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Change in unrealized cash flow hedge (net of taxes of $0.1 million, at December 28, 2025, $0.2 million at December 29, 2024 and $0.2 million at December 31, 2023). Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Less: Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Letter of credit Letter of Credit [Member] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Current portion of operating lease liabilities Operating Lease, Liability, Current Interest expense on lease liabilities - finance leases Finance Lease, Interest Expense Lease accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Document Fiscal Period Focus Document Fiscal Period Focus Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Award Type [Axis] Award Type [Axis] Norden Millimeter Inc Norden Millimeter Inc [Member] Norden Millimeter Inc Finance leases: Finance Lease, Assets And Liabilities, Lessee [Abstract] Finance Lease, Assets And Liabilities, Lessee [Abstract] Schedule of Business Combination, Pro Forma Information Business Combination, Pro Forma Information [Table Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Change in federal valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Issuance of common stock for employee stock purchase plan and stock awards (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Finance leases Finance Lease, Weighted Average Discount Rate, Percent Number of acres Joint Venture, Number of Acres Joint Venture, Number of Acres Total deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount RSUs Restricted Stock Units (RSUs) [Member] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Schedule of Interest Income (Expense), Net Schedule of Interest Expense, Net [Table Text Block] Schedule of Interest Expense, Net [Table Text Block] Weighted-average discount rate: Weighted Average Discount Rate, Percent [Abstract] Weighted Average Discount Rate, Percent [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total consideration Aggregate purchase price Business Combination, Consideration Transferred Entity Emerging Growth Company Entity Emerging Growth Company Finance leases Finance Lease, Weighted Average Remaining Lease Term Options outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Swing line loan Swing Line Loan [Member] Swing Line Loan [Member] Unamortized debt issuance costs Debt Issuance Costs, Net Derivative gain (loss) Derivative, Gain (Loss) on Derivative, Net Total assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Excluding Cash Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Excluding Cash Indefinite-lived trade names Indefinite-Lived Intangible Assets (Excluding Goodwill) Less: imputed interest Finance Lease, Liability, Undiscounted Excess Amount Shares outstanding (in shares) Balance, beginning of period (in shares) Balance, end of period (in shares) Common Stock, Shares, Outstanding Provision for doubtful accounts Provisions Accounts Receivable, Credit Loss Expense (Reversal) Allowance for Doubtful Accounts SEC Schedule, 12-09, Allowance, Credit Loss [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Increase (decrease) in deferred tax asset Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Holdback, net of $1.1 million purchase price adjustment Payments to Acquire Businesses, Amount Not Included Holdback Paid at Later Payments to Acquire Businesses, Amount Not Included Holdback Paid at Later Schedule of Future Amortization Expense of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Restricted Stock Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Current period interest rate Debt Instrument, Interest Rate, Effective Percentage Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Provision for income taxes Total Income Tax Expense (Benefit) Basis spread on variable rate percentage Debt Instrument, Basis Spread on Variable Rate Shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Designated as hedging instrument Designated as Hedging Instrument [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Property and equipment Property, Plant and Equipment, Gross Audit Information [Abstract] Audit Information Company's contributions to defined-contribution plans Defined Contribution Plan, Employer Discretionary Contribution Amount Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Proceeds from shares issued under equity plans Proceeds from Stock Options Exercised Accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Cash paid for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Federal Income Tax Paid, Federal, after Refund Received Buildings and improvements Building and Building Improvements [Member] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accrued expenses Accrued Liabilities, Current Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Nonvested balance at beginning of period (in shares) Nonvested balance at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Amount that would become a deferred tax asset included in unrecognized tax benefits that would impact the effective tax rate Unrecognized Tax Benefits That Would Impact Effective Tax Rate, Deferred Tax Assets Unrecognized Tax Benefits That Would Impact Effective Tax Rate, Deferred Tax Assets Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Debt instrument, term (in years) Debt Instrument, Term Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Useful life of property and equipment Property, Plant and Equipment, Useful Life Par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent event Subsequent Event [Member] Other current assets Business Combination, Recognized Asset Acquired, Other Asset, Current Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] 2029 Finance Lease, Liability, to be Paid, Year Four Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Noncontrolling interest, change in redemption value Noncontrolling Interest, Change in Redemption Value Sublease income Sublease Income Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Product sales Product [Member] Discount rate Business Combination, Contingent Consideration, Liability, Measurement Input Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Number of reportable (in segments) Number of Reportable Segments Deferred tax assets: Components of Deferred Tax Assets [Abstract] Entity Address, State or Province Entity Address, State or Province New Revolving Credit Facility Twenty Twenty Two Revolving Credit Facility [Member] Twenty Twenty Two Revolving Credit Facility Payments under finance leases Finance lease - financing cash flows Finance Lease, Principal Payments Less current portion Long-term Debt, Current Maturities, Gross Long-term Debt, Current Maturities, Gross Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Unused borrowing capacity Debt Instrument, Unused Borrowing Capacity, Amount Total current liabilities Liabilities, Current Foreign income taxes: Foreign Income Tax Expense (Benefit), Continuing Operations [Abstract] Individual: Individual [Axis] Property and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Financing lease obligations incurred Finance lease liabilities arising from obtaining right-of-use assets Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Document Annual Report Document Annual Report Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Ownership [Domain] Ownership [Domain] U.S. Government Government [Member] 2027 Finance Lease, Liability, to be Paid, Year Two Term Loan A Term Loan A [Member] Term Loan A Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Other assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Total State and local State and Local Income Tax Expense (Benefit), Continuing Operations Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Billings in excess of costs and earnings on uncompleted contracts Contract with Customer, Liability, Current Work in process Inventory, Work in Process, Net of Reserves Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Total unrecognized stock-based compensation expense related to nonvested restricted stock units Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Income tax (benefit) at federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Total Foreign Foreign Income Tax Expense (Benefit), Continuing Operations Long-term debt Long-Term Debt, Excluding Current Maturities 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Preferred Stock: Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Gross Value Finite-Lived Intangible Assets, Gross Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Research and development expenses Research and Development Expense Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Common stock issuance for purchase of noncontrolling interests Stock Issued Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Ownership [Axis] Ownership [Axis] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Fair Value as of Grant Date Award Grant Date Fair Value U.S. Commercial and other customers United States Commercial And Other Customers [Member] United States Commercial And Other Customers [Member] Stock Options and Restricted Stock Units Stock Options and Restricted Stock Units [Member] Stock Options and Restricted Stock Units [Member] Operating loss carryforwards Operating Loss Carryforwards Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Schedule of Long-Term Debt and the Current Period Interest Rates Schedule of Long-Term Debt Instruments [Table Text Block] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited or expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Non-PEO NEO Non-PEO NEO [Member] Deferred revenue Business Combination, Recognized Liability Assumed, Deferred Revenue, Current Vehicles, furniture, and office equipment Vehicles, Furniture, and Office Equipment [Member] Vehicles, Furniture, and Office Equipment [Member] Interest income Interest Income, Other Award Type [Domain] Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Balance, beginning of period Balance, end of period Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Expected dividend yield (percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Foreign exchange contract Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized Contract with Customer, Liability, Revenue Recognized Accrued compensation Increase (Decrease) in Employee Related Liabilities MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Foreign tax expense (benefit) Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Benefit for income tax penalties and interest related to reversal of prior positions Unrecognized Tax Benefits, Income Tax Penalties and Interest Benefit, Reversals of Prior Positions Unrecognized Tax Benefits, Income Tax Penalties and Interest Benefit, Reversals of Prior Positions 2022 Credit Facility 2022 Credit Facility [Member] 2022 Credit Facility Deferred tax asset Business Combination, Recognized Asset Acquired, Deferred Tax Asset Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Finance lease, right-of-use asset, statement of financial position [Extensible List] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Gross value Goodwill, Gross Total deferred tax liabilities Deferred Tax Liabilities, Gross Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Ownership interest after acquisition (as a percent) Business Combination, Achieved in Stages, Preacquisition and Acquired Equity Interests in Acquiree, Percentage Developed technology and technical know-how Developed Technology Rights [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Income Taxes - Uncertain Tax Positions Income Tax Uncertainties, Policy [Policy Text Block] Pro forma net income Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Operating lease - operating cash flows (fixed payments) Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Current Current Foreign Tax Expense (Benefit) Expected volatility, lower range (percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Percentage of voting interests acquired Business Combination, Voting Equity Interest Acquired, Percentage Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Net income (loss) from consolidated operations Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Income tax penalties and interest expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Contract assets, net change Contract assets, net change Contract With Customer, Asset, Increase (Decrease) Contract With Customer, Asset, Increase (Decrease) Shares outstanding (in shares) Preferred Stock, Shares Outstanding Current Current State and Local Tax Expense (Benefit) Document Transition Report Document Transition Report Total lease payments Finance Lease, Liability, to be Paid Underlying Securities Award Underlying Securities Amount Machinery and equipment Other Machinery and Equipment [Member] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Income Taxes Income Tax Disclosure [Text Block] Balance at Beginning of Year Balance at End of Year Accounts Receivable, Allowance for Credit Loss Borrowing under credit facility Proceeds from Lines of Credit Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Kratos Government Solutions KGS Government Solutions Segment [Member] Government Solutions operating/reportable segment Income Approach Valuation, Income Approach [Member] Short-term lease cost Short-Term Lease, Cost Schedule of Balance Sheet Information Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Balance, beginning of period Balance, end of period Equity, Including Portion Attributable to Noncontrolling Interest Total long-term debt, less current portion Long-term Debt, Excluding Current Maturities, Gross Long-term Debt, Excluding Current Maturities, Gross Document Type Document Type Cumulative number of shares issued under ESPP (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number Level 3 Fair Value, Inputs, Level 3 [Member] Net Income (Loss) Per Common Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Furniture and office equipment Office Equipment [Member] Product and Service [Axis] Product and Service [Axis] Variable lease cost (cost excluded from lease payments) Variable Lease, Cost Total revenues Revenue Revenue from Contract with Customer, Excluding Assessed Tax Total current assets Assets, Current Finite-lived intangible assets acquired Finite-Lived Intangible Assets Acquired Statistical Measurement [Axis] Statistical Measurement [Axis] Middle East Middle East [Member] U.S. Government United States Government [Member] United States Government [Member] Fixed interest rate Derivative, Fixed Interest Rate Payroll related accruals Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Total intrinsic value of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Payments of employee taxes withheld from share-based awards Payment, Tax Withholding, Share-Based Payment Arrangement France FRANCE Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Risk-free interest rate, lower range (percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Outstanding borrowings Long-Term Line of Credit Diluted income (loss) per common share attributable to Kratos (in dollars per share) Earnings Per Share, Diluted Vested but not released (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period But Not Released, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period But Not Released, Weighted Average Grant Date Fair Value Accrued expenses Increase (Decrease) in Other Accrued Liabilities Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Number of shares issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction State Income Tax Paid, State and Local, after Refund Received Consolidation Items [Domain] Consolidation Items [Domain] Auditor Location Auditor Location Prepaid expenses Increase (Decrease) in Prepaid Expense Gross profit Gross Profit Expected future contributions Expected Payments For Joint Venture Contributions Expected Payments For Joint Venture Contributions Federal Domestic Tax Jurisdiction [Member] Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Other nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Net cash paid during the year for income taxes Income Taxes Paid, Net Operating Leases: Operating Lease, Assets And Liabilities, Lessee [Abstract] Operating Lease, Assets And Liabilities, Lessee [Abstract] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Write-offs/ Recoveries Allowance for Doubtful Accounts Receivable, Charge-offs and Recoveries, Net Allowance for Doubtful Accounts Receivable, Charge-offs and Recoveries, Net Long-Term Debt, Gross Long-Term Debt, Gross Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Accrued compensation Employee-related Liabilities, Current Total lease payments Lessee, Operating Lease, Liability, to be Paid Property, plant and equipment, net Total property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Net contract assets, net change Contract With Customer, Asset (Liability), Net Increase (Decrease) Contract With Customer, Asset (Liability), Net Increase (Decrease) Trade names Trade Names [Member] Expiration Date Trading Arrangement Expiration Date Other liabilities Increase (Decrease) in Other Operating Liabilities 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Inventoried Costs Inventory, Policy [Policy Text Block] Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Japan JAPAN Income tax (benefit) at federal statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Restricted stock issued and related taxes (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive 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