3.26.1 html 475 467 1 false 99 0 false 10 false false R1.htm 0000001 - Document - Cover Sheet http://www.comtechtel.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.comtechtel.com/role/CondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 2 false false R3.htm 9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.comtechtel.com/role/CondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - Condensed Consolidated Statements of Operations Sheet http://www.comtechtel.com/role/CondensedConsolidatedStatementsofOperations Condensed Consolidated Statements of Operations Statements 4 false false R5.htm 9952154 - Statement - Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity Sheet http://www.comtechtel.com/role/CondensedConsolidatedStatementsofConvertiblePreferredStockandStockholdersEquity Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity Statements 5 false false R6.htm 9952155 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://www.comtechtel.com/role/CondensedConsolidatedStatementsofCashFlows Condensed Consolidated Statements of Cash Flows Statements 6 false false R7.htm 9952156 - Disclosure - General Sheet http://www.comtechtel.com/role/General General Notes 7 false false R8.htm 9952157 - Disclosure - Adoption of Accounting Standards and Updates Sheet http://www.comtechtel.com/role/AdoptionofAccountingStandardsandUpdates Adoption of Accounting Standards and Updates Notes 8 false false R9.htm 9952158 - Disclosure - Revenue Recognition Sheet http://www.comtechtel.com/role/RevenueRecognition Revenue Recognition Notes 9 false false R10.htm 9952159 - Disclosure - Fair Value Measurements and Financial Instruments Sheet http://www.comtechtel.com/role/FairValueMeasurementsandFinancialInstruments Fair Value Measurements and Financial Instruments Notes 10 false false R11.htm 9952160 - Disclosure - Earnings Per Share Sheet http://www.comtechtel.com/role/EarningsPerShare Earnings Per Share Notes 11 false false R12.htm 9952161 - Disclosure - Accounts Receivable Sheet http://www.comtechtel.com/role/AccountsReceivable Accounts Receivable Notes 12 false false R13.htm 9952162 - Disclosure - Inventories Sheet http://www.comtechtel.com/role/Inventories Inventories Notes 13 false false R14.htm 9952163 - Disclosure - Accrued Expenses and Other Current Liabilities Sheet http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilities Accrued Expenses and Other Current Liabilities Notes 14 false false R15.htm 9952164 - Disclosure - Credit Facility Sheet http://www.comtechtel.com/role/CreditFacility Credit Facility Notes 15 false false R16.htm 9952165 - Disclosure - Subordinated Credit Facility Sheet http://www.comtechtel.com/role/SubordinatedCreditFacility Subordinated Credit Facility Notes 16 false false R17.htm 9952166 - Disclosure - Leases Sheet http://www.comtechtel.com/role/Leases Leases Notes 17 false false R18.htm 9952167 - Disclosure - Income Taxes Sheet http://www.comtechtel.com/role/IncomeTaxes Income Taxes Notes 18 false false R19.htm 9952168 - Disclosure - Stock-Based Compensation Sheet http://www.comtechtel.com/role/StockBasedCompensation Stock-Based Compensation Notes 19 false false R20.htm 9952169 - Disclosure - Segment Information Sheet http://www.comtechtel.com/role/SegmentInformation Segment Information Notes 20 false false R21.htm 9952170 - Disclosure - Goodwill Sheet http://www.comtechtel.com/role/Goodwill Goodwill Notes 21 false false R22.htm 9952171 - Disclosure - Intangible Assets Sheet http://www.comtechtel.com/role/IntangibleAssets Intangible Assets Notes 22 false false R23.htm 9952172 - Disclosure - Convertible Preferred Stock Sheet http://www.comtechtel.com/role/ConvertiblePreferredStock Convertible Preferred Stock Notes 23 false false R24.htm 9952173 - Disclosure - Stockholders' Equity Sheet http://www.comtechtel.com/role/StockholdersEquity Stockholders' Equity Notes 24 false false R25.htm 9952174 - Disclosure - Legal Proceedings and Other Matters Sheet http://www.comtechtel.com/role/LegalProceedingsandOtherMatters Legal Proceedings and Other Matters Notes 25 false false R26.htm 9952175 - Disclosure - Cost Reduction Sheet http://www.comtechtel.com/role/CostReduction Cost Reduction Notes 26 false false R27.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 27 false false R28.htm 9955511 - Disclosure - General (Policy) Sheet http://www.comtechtel.com/role/GeneralPolicy General (Policy) Policies http://www.comtechtel.com/role/AdoptionofAccountingStandardsandUpdates 28 false false R29.htm 9955512 - Disclosure - Revenue Recognition (Tables) Sheet http://www.comtechtel.com/role/RevenueRecognitionTables Revenue Recognition (Tables) Tables http://www.comtechtel.com/role/RevenueRecognition 29 false false R30.htm 9955513 - Disclosure - Earnings Per Share (Tables) Sheet http://www.comtechtel.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.comtechtel.com/role/EarningsPerShare 30 false false R31.htm 9955514 - Disclosure - Accounts Receivable (Tables) Sheet http://www.comtechtel.com/role/AccountsReceivableTables Accounts Receivable (Tables) Tables http://www.comtechtel.com/role/AccountsReceivable 31 false false R32.htm 9955515 - Disclosure - Inventories (Tables) Sheet http://www.comtechtel.com/role/InventoriesTables Inventories (Tables) Tables http://www.comtechtel.com/role/Inventories 32 false false R33.htm 9955516 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables) Sheet http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables Accrued Expenses and Other Current Liabilities (Tables) Tables http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilities 33 false false R34.htm 9955517 - Disclosure - Credit Facility (Tables) Sheet http://www.comtechtel.com/role/CreditFacilityTables Credit Facility (Tables) Tables http://www.comtechtel.com/role/CreditFacility 34 false false R35.htm 9955518 - Disclosure - Subordinated Credit Facility (Tables) Sheet http://www.comtechtel.com/role/SubordinatedCreditFacilityTables Subordinated Credit Facility (Tables) Tables http://www.comtechtel.com/role/SubordinatedCreditFacility 35 false false R36.htm 9955519 - Disclosure - Leases (Tables) Sheet http://www.comtechtel.com/role/LeasesTables Leases (Tables) Tables http://www.comtechtel.com/role/Leases 36 false false R37.htm 9955520 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.comtechtel.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://www.comtechtel.com/role/StockBasedCompensation 37 false false R38.htm 9955521 - Disclosure - Segment Information (Tables) Sheet http://www.comtechtel.com/role/SegmentInformationTables Segment Information (Tables) Tables http://www.comtechtel.com/role/SegmentInformation 38 false false R39.htm 9955522 - Disclosure - Goodwill (Tables) Sheet http://www.comtechtel.com/role/GoodwillTables Goodwill (Tables) Tables http://www.comtechtel.com/role/Goodwill 39 false false R40.htm 9955523 - Disclosure - Intangible Assets (Tables) Sheet http://www.comtechtel.com/role/IntangibleAssetsTables Intangible Assets (Tables) Tables http://www.comtechtel.com/role/IntangibleAssets 40 false false R41.htm 9955524 - Disclosure - Convertible Preferred Stock (Tables) Sheet http://www.comtechtel.com/role/ConvertiblePreferredStockTables Convertible Preferred Stock (Tables) Tables http://www.comtechtel.com/role/ConvertiblePreferredStock 41 false false R42.htm 9955525 - Disclosure - General (Details) Sheet http://www.comtechtel.com/role/GeneralDetails General (Details) Details http://www.comtechtel.com/role/GeneralPolicy 42 false false R43.htm 9955526 - Disclosure - Revenue Recognition (Sales by Geography and Customer Type) (Details) Sheet http://www.comtechtel.com/role/RevenueRecognitionSalesbyGeographyandCustomerTypeDetails Revenue Recognition (Sales by Geography and Customer Type) (Details) Details http://www.comtechtel.com/role/RevenueRecognitionTables 43 false false R44.htm 9955527 - Disclosure - Revenue Recognition (Disaggregation of Revenue) (Details) Sheet http://www.comtechtel.com/role/RevenueRecognitionDisaggregationofRevenueDetails Revenue Recognition (Disaggregation of Revenue) (Details) Details http://www.comtechtel.com/role/RevenueRecognitionTables 44 false false R45.htm 9955528 - Disclosure - Revenue Recognition (Narrative) (Details) Sheet http://www.comtechtel.com/role/RevenueRecognitionNarrativeDetails Revenue Recognition (Narrative) (Details) Details http://www.comtechtel.com/role/RevenueRecognitionTables 45 false false R46.htm 9955529 - Disclosure - Revenue Recognition (Remaining Performance Obligations) (Details) Sheet http://www.comtechtel.com/role/RevenueRecognitionRemainingPerformanceObligationsDetails Revenue Recognition (Remaining Performance Obligations) (Details) Details http://www.comtechtel.com/role/RevenueRecognitionTables 46 false false R47.htm 9955530 - Disclosure - Revenue Recognition - Capitalized Contract Cost (Details) Sheet http://www.comtechtel.com/role/RevenueRecognitionCapitalizedContractCostDetails Revenue Recognition - Capitalized Contract Cost (Details) Details 47 false false R48.htm 9955531 - Disclosure - Fair Value Measurements and Financial Instruments (Details) Sheet http://www.comtechtel.com/role/FairValueMeasurementsandFinancialInstrumentsDetails Fair Value Measurements and Financial Instruments (Details) Details http://www.comtechtel.com/role/FairValueMeasurementsandFinancialInstruments 48 false false R49.htm 9955532 - Disclosure - Earnings Per Share (Details) Sheet http://www.comtechtel.com/role/EarningsPerShareDetails Earnings Per Share (Details) Details http://www.comtechtel.com/role/EarningsPerShareTables 49 false false R50.htm 9955533 - Disclosure - Accounts Receivable (Details) Sheet http://www.comtechtel.com/role/AccountsReceivableDetails Accounts Receivable (Details) Details http://www.comtechtel.com/role/AccountsReceivableTables 50 false false R51.htm 9955534 - Disclosure - Inventories (Details) Sheet http://www.comtechtel.com/role/InventoriesDetails Inventories (Details) Details http://www.comtechtel.com/role/InventoriesTables 51 false false R52.htm 9955535 - Disclosure - Accrued Expenses and Other Current Liabilities (Components) (Details) Sheet http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilitiesComponentsDetails Accrued Expenses and Other Current Liabilities (Components) (Details) Details http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables 52 false false R53.htm 9955536 - Disclosure - Accrued Expenses and Other Current Liabilities (Narrative) (Details) Sheet http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilitiesNarrativeDetails Accrued Expenses and Other Current Liabilities (Narrative) (Details) Details http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables 53 false false R54.htm 9955537 - Disclosure - Accrued Expenses and Other Current Liabilities (Product Warranty Rollforward) (Details) Sheet http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilitiesProductWarrantyRollforwardDetails Accrued Expenses and Other Current Liabilities (Product Warranty Rollforward) (Details) Details http://www.comtechtel.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables 54 false false R55.htm 9955538 - Disclosure - Credit Facility (Details) Sheet http://www.comtechtel.com/role/CreditFacilityDetails Credit Facility (Details) Details http://www.comtechtel.com/role/CreditFacilityTables 55 false false R56.htm 9955539 - Disclosure - Credit Facility - Deferred Financing Costs and Discounts under the Credit Facility (Details) Sheet http://www.comtechtel.com/role/CreditFacilityDeferredFinancingCostsandDiscountsundertheCreditFacilityDetails Credit Facility - Deferred Financing Costs and Discounts under the Credit Facility (Details) Details 56 false false R57.htm 9955540 - Disclosure - Credit Facility (Schedule) (Details) Sheet http://www.comtechtel.com/role/CreditFacilityScheduleDetails Credit Facility (Schedule) (Details) Details http://www.comtechtel.com/role/CreditFacilityTables 57 false false R58.htm 9955541 - Disclosure - Subordinated Credit Facility (Details) Sheet http://www.comtechtel.com/role/SubordinatedCreditFacilityDetails Subordinated Credit Facility (Details) Details http://www.comtechtel.com/role/SubordinatedCreditFacilityTables 58 false false R59.htm 9955542 - Disclosure - Subordinated Credit Facility - Schedule of Line of Credit Facilities (Details) Sheet http://www.comtechtel.com/role/SubordinatedCreditFacilityScheduleofLineofCreditFacilitiesDetails Subordinated Credit Facility - Schedule of Line of Credit Facilities (Details) Details 59 false false R60.htm 9955543 - Disclosure - Leases (Lease Cost and Additional Information) (Details) Sheet http://www.comtechtel.com/role/LeasesLeaseCostandAdditionalInformationDetails Leases (Lease Cost and Additional Information) (Details) Details http://www.comtechtel.com/role/LeasesTables 60 false false R61.htm 9955544 - Disclosure - Leases (Lease Liabilities) (Details) Sheet http://www.comtechtel.com/role/LeasesLeaseLiabilitiesDetails Leases (Lease Liabilities) (Details) Details http://www.comtechtel.com/role/LeasesTables 61 false false R62.htm 9955545 - Disclosure - Leases (Narrative) (Details) Sheet http://www.comtechtel.com/role/LeasesNarrativeDetails Leases (Narrative) (Details) Details http://www.comtechtel.com/role/LeasesTables 62 false false R63.htm 9955546 - Disclosure - Income Taxes (Details) Sheet http://www.comtechtel.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.comtechtel.com/role/IncomeTaxes 63 false false R64.htm 9955547 - Disclosure - Stock-Based Compensation (Overview) (Details) Sheet http://www.comtechtel.com/role/StockBasedCompensationOverviewDetails Stock-Based Compensation (Overview) (Details) Details http://www.comtechtel.com/role/StockBasedCompensationTables 64 false false R65.htm 9955548 - Disclosure - Stock-Based Compensation (Expenses) (Details) Sheet http://www.comtechtel.com/role/StockBasedCompensationExpensesDetails Stock-Based Compensation (Expenses) (Details) Details http://www.comtechtel.com/role/StockBasedCompensationTables 65 false false R66.htm 9955549 - Disclosure - Stock-Based Compensation (Stock Options) (Details) Sheet http://www.comtechtel.com/role/StockBasedCompensationStockOptionsDetails Stock-Based Compensation (Stock Options) (Details) Details http://www.comtechtel.com/role/StockBasedCompensationTables 66 false false R67.htm 9955550 - Disclosure - Stock-Based Compensation (Performance Shares, RSUs, Restricted Stock and Share Unit Awards) (Details) Sheet http://www.comtechtel.com/role/StockBasedCompensationPerformanceSharesRSUsRestrictedStockandShareUnitAwardsDetails Stock-Based Compensation (Performance Shares, RSUs, Restricted Stock and Share Unit Awards) (Details) Details http://www.comtechtel.com/role/StockBasedCompensationTables 67 false false R68.htm 9955551 - Disclosure - Segment Information - Narrative (Details) Sheet http://www.comtechtel.com/role/SegmentInformationNarrativeDetails Segment Information - Narrative (Details) Details 68 false false R69.htm 9955552 - Disclosure - Segment Information - Schedule of Segment Reporting Information, by Segment (Details) Sheet http://www.comtechtel.com/role/SegmentInformationScheduleofSegmentReportingInformationbySegmentDetails Segment Information - Schedule of Segment Reporting Information, by Segment (Details) Details 69 false false R70.htm 9955553 - Disclosure - Goodwill (Details) Sheet http://www.comtechtel.com/role/GoodwillDetails Goodwill (Details) Details http://www.comtechtel.com/role/GoodwillTables 70 false false R71.htm 9955554 - Disclosure - Intangible Assets (Intangible Assets with Finite Lives) (Details) Sheet http://www.comtechtel.com/role/IntangibleAssetsIntangibleAssetswithFiniteLivesDetails Intangible Assets (Intangible Assets with Finite Lives) (Details) Details http://www.comtechtel.com/role/IntangibleAssetsTables 71 false false R72.htm 9955555 - Disclosure - Intangible Assets (Estimated Amortization Expense) (Details) Sheet http://www.comtechtel.com/role/IntangibleAssetsEstimatedAmortizationExpenseDetails Intangible Assets (Estimated Amortization Expense) (Details) Details http://www.comtechtel.com/role/IntangibleAssetsTables 72 false false R73.htm 9955556 - Disclosure - Intangible Assets (Details) Sheet http://www.comtechtel.com/role/IntangibleAssetsDetails Intangible Assets (Details) Details http://www.comtechtel.com/role/IntangibleAssetsTables 73 false false R74.htm 9955557 - Disclosure - Convertible Preferred Stock (Details) Sheet http://www.comtechtel.com/role/ConvertiblePreferredStockDetails Convertible Preferred Stock (Details) Details http://www.comtechtel.com/role/ConvertiblePreferredStockTables 74 false false R75.htm 9955558 - Disclosure - Convertible Preferred Stock - Temporary Equity (Details) Sheet http://www.comtechtel.com/role/ConvertiblePreferredStockTemporaryEquityDetails Convertible Preferred Stock - Temporary Equity (Details) Details 75 false false R76.htm 9955559 - Disclosure - Convertible Preferred Stock - Schedule of Conversions of Stock (Details) Sheet http://www.comtechtel.com/role/ConvertiblePreferredStockScheduleofConversionsofStockDetails Convertible Preferred Stock - Schedule of Conversions of Stock (Details) Details 76 false false R77.htm 9955560 - Disclosure - Stockholders' Equity (Details) Sheet http://www.comtechtel.com/role/StockholdersEquityDetails Stockholders' Equity (Details) Details http://www.comtechtel.com/role/StockholdersEquity 77 false false R78.htm 9955561 - Disclosure - Legal Proceedings and Other Matters (Details) Sheet http://www.comtechtel.com/role/LegalProceedingsandOtherMattersDetails Legal Proceedings and Other Matters (Details) Details http://www.comtechtel.com/role/LegalProceedingsandOtherMatters 78 false false R79.htm 9955562 - Disclosure - Cost Reduction (Details) Sheet http://www.comtechtel.com/role/CostReductionDetails Cost Reduction (Details) Details http://www.comtechtel.com/role/CostReduction 79 false false All Reports Book All Reports cmtl-20260430.htm cmtl-20260430.xsd cmtl-20260430_cal.xml cmtl-20260430_def.xml cmtl-20260430_lab.xml cmtl-20260430_pre.xml cmtl-20260430_g1.jpg http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true