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Obligation, Percentage Income Taxes Income Tax Disclosure [Text Block] Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Four Earnings Per Share [Abstract] Earnings Per Share [Abstract] Equity [Abstract] Raw materials Inventory, Raw Materials, Net of Reserves Accumulated deficit Retained Earnings (Accumulated Deficit) Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Class of Stock [Domain] Class of Stock [Domain] Inventoried costs Increase (Decrease) in Inventories Repayment under credit facility and term loan Repayments of Long-Term Lines of Credit Debt issuance costs Debt Issuance Costs, Gross Inventoried costs Total inventoried costs Inventory, Net of Allowances, Customer Advances and Progress Billings 2026 Long-Term Debt, Maturity, Year Two Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount First and second Year First And Second Year [Member] First And Second Year Equity Awards Adjustments Equity Awards Adjustments [Member] Operating leases Operating Lease, Weighted Average Discount Rate, Percent Total present value of lease liabilities Operating Lease, Liability Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Maria Cervantes De Burgreen [Member] Maria Cervantes De Burgreen Credit Facility [Axis] Credit Facility [Axis] Preferred Stock: Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Amendment Flag Amendment Flag Entity Registrant Name Entity Registrant Name Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Depreciation and amortization Total depreciation and amortization Depreciation, Depletion and Amortization Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Gross profit Gross Profit Fair Value as of Grant Date Award Grant Date Fair Value Amortization of right of use assets - finance leases Finance Lease, Right-of-Use Asset, Amortization Number of shares issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Unamortized debt issuance costs Debt Issuance Costs, Net Operating leases: Operating Lease, Assets And Liabilities, Lessee [Abstract] Operating Lease, Assets And Liabilities, Lessee [Abstract] Debt Debt Disclosure [Text Block] Schedule of Intangible Assets (Indefinite-Lived) Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] National amount Debt Instrument, Face Amount Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Issuance of common stock for equity raise Stock Issued During Period, Value, New Issues Entity Address, Postal Zip Code Entity Address, Postal Zip Code Principles of Consolidation Consolidation, Policy [Policy Text Block] Interest rate swap Interest Rate Swap [Member] Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Common stock, $0.001 par value, 195,000,000 shares authorized; 150,729,318 and 129,286,964 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively Common Stock, Value, Issued Net contract assets, net change Contract With Customer, Asset (Liability), Net Increase (Decrease) Contract With Customer, Asset (Liability), Net Increase (Decrease) Fiscal Year Fiscal Period, Policy [Policy Text Block] Finance lease - cash paid for interest Finance Lease, Interest Payment on Liability Contract liabilities, net change Contract With Customer, Liability, Increase (Decrease) Contract With Customer, Liability, Increase (Decrease) Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Stock options and awards Stock Options and Stock Awards [Member] Stock Options and Stock Awards [Member] Unmanned Systems US Kratos Unmanned Systems [Member] Kratos Unmanned Systems [Member] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Term Loan Payment on June 30, 2022 Term Loan Payment on June 30, 2022 [Member] Term Loan Payment on June 30, 2022 Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Initial hedge amount Derivative, Amount of Hedged Item Preferred stock, $0.001 par value, 5,000,000 shares authorized, 0 shares outstanding at June 30, 2024 and December 31, 2023 Preferred Stock, Value, Issued Redeemable Noncontrolling Interest Noncontrolling Interest Disclosure [Text Block] Basic income (loss) per common share attributable to Kratos (in dollars per share) Earnings Per Share, Basic Receivables Billing Status [Domain] Receivables Billing Status [Domain] Accounts payable Increase (Decrease) in Accounts Payable Proceeds from the issuance of common stock, net of issuance costs Proceeds from Issuance of Common Stock Operating lease - operating cash flows (fixed payments) Operating Lease, Payments Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Ownership [Domain] Ownership [Domain] Payments under finance leases Finance lease - financing cash flows Finance Lease, Principal Payments Capital expenditures included in accounts payable and accrued expenses Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Schedule of Goodwill [Table] Goodwill [Table] Designated as hedging instrument Designated as Hedging Instrument [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Acquired finite-lived intangible assets: Finite-Lived Intangible Assets, Net [Abstract] Total current liabilities Liabilities, Current 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] Total assets Assets 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One Total costs Cost of Goods and Services Sold Outstanding borrowings Long-Term Line of Credit Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Other long-term liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Commitments and contingencies (Note 14) Commitments and Contingencies Termination Date Trading Arrangement Termination Date Sales to the U.S. Government, amount Revenues 2026 Lessee, Operating Lease, Liability, to be Paid, Year Two 2025 Long-Term Debt, Maturity, Year One Entity Address, City or Town Entity Address, City or Town Debt Instrument [Axis] Debt Instrument [Axis] Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Net income (loss) attributable to Kratos Net income (loss) Net Income (Loss) Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Expense for interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Business Acquisition [Axis] Business Acquisition [Axis] Schedule of Intangible Assets (Finite-Lived) Schedule of Finite-Lived Intangible Assets [Table Text Block] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] 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] Entity File Number Entity File Number Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Revenue Recognition Revenue from Contract with Customer [Text Block] Restricted stock issued and related taxes (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Document Fiscal Year Focus Document Fiscal Year Focus Redeemable Noncontrolling Interest Noncontrolling Interest [Member] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Name Forgone Recovery, Individual Name Third, fourth and fifth year Third, Fourth and Fifth Year [Member] Third, Fourth and Fifth Year 2024 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Operating leases Operating Lease, Weighted Average Remaining Lease Term Document Period End Date Document Period End Date Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Other current liabilities Finance Lease, Liability, Current New Revolving Credit Facility New Revolving Credit Facility [Member] New Revolving Credit Facility Finished goods Inventory, Finished Goods, Net of Reserves Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Base Rate Base Rate [Member] Total lease payments Lessee, Operating Lease, Liability, to be Paid Insider Trading Arrangements [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Revenue recognized Contract with Customer, Liability, Revenue Recognized Adjustment to Compensation: Adjustment to Compensation [Axis] Less: Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Foreign exchange contract Foreign Exchange Contract [Member] Document Transition Report Document Transition Report Schedule of Revenue by Major Customers, by Reportiing Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Document Quarterly Report Document Quarterly Report Thereafter Finance Lease, Liability, Payments, Due After Year Four Finance Lease, Liability, Payments, Due After Year Four Customer [Domain] Customer [Domain] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Accumulated Deficit Retained Earnings [Member] Proceeds from public equity offering Proceeds from Issuance Initial Public Offering Noncontrolling interest owned (as a percent) Subsidiary, Ownership Percentage, Noncontrolling Owner Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Weighted-average remaining lease term (in years): Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term [Abstract] Finite-lived intangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Total stockholders’ equity Balance, beginning of period Balance, end of period Equity, Including Portion Attributable to Noncontrolling Interest Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Revenue Revenue Benchmark [Member] Schedule of Reconciliation of Income Tax Benefit at Statutory Rate to Income Tax Provision Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Entity Filer Category Entity Filer Category Time and materials Time-and-Materials Contract [Member] Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Letter of credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name