3.26.1 html 330 538 1 true 115 0 false 6 false false R1.htm 75000 - Document - Document and Entity Information Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 75010 - Statement - Consolidated Balance Sheets Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_StatementConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 75020 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 75030 - Statement - Consolidated Statements of Operations Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 75040 - Statement - Consolidated Statements of Comprehensive Income (Loss) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss Consolidated Statements of Comprehensive Income (Loss) Statements 5 false false R6.htm 75050 - Statement - Consolidated Statements of Stockholders' Equity Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity Consolidated Statements of Stockholders' Equity Statements 6 false false R7.htm 75060 - Statement - Consolidated Statements of Cash Flows Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 75070 - Disclosure - Cybersecurity Risk Management, Strategy and Governance Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance Cybersecurity Risk Management, Strategy and Governance Notes 8 false false R9.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 9 false false R10.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 10 false false R11.htm 995455 - Disclosure - Description of Business and Basis of Presentation Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDescriptionOfBusinessAndBasisOfPresentation Description of Business and Basis of Presentation Notes 11 false false R12.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 12 false false R13.htm 995475 - Disclosure - Revenues Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenues Revenues Notes 13 false false R14.htm 995485 - Disclosure - Balance Sheet Components Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponents Balance Sheet Components Notes 14 false false R15.htm 995495 - Disclosure - Fair Value Measurements Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurements Fair Value Measurements Notes 15 false false R16.htm 995505 - Disclosure - Goodwill and Intangible Assets Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssets Goodwill and Intangible Assets Notes 16 false false R17.htm 995515 - Disclosure - Debt Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebt Debt Notes 17 false false R18.htm 995525 - Disclosure - Leases Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeases Leases Notes 18 false false R19.htm 995535 - Disclosure - Commitments and Contingencies Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 19 false false R20.htm 995545 - Disclosure - Stockholders' Equity Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquity Stockholders' Equity Notes 20 false false R21.htm 995555 - Disclosure - Employee Benefit Plans Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlans Employee Benefit Plans Notes 21 false false R22.htm 995565 - Disclosure - Information about Segments and Geographic Areas Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureInformationAboutSegmentsAndGeographicAreas Information about Segments and Geographic Areas Notes 22 false false R23.htm 995575 - Disclosure - Derivatives and Hedging Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDerivativesAndHedging Derivatives and Hedging Notes 23 false false R24.htm 995585 - Disclosure - Restructuring and Related Charges Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureRestructuringAndRelatedCharges1 Restructuring and Related Charges Notes 24 false false R25.htm 995595 - Disclosure - Income Taxes Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 25 false false R26.htm 995605 - Disclosure - Net Income (Loss) Per Share Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShare Net Income (Loss) Per Share Notes 26 false false R27.htm 995615 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 27 false false R28.htm 995625 - Disclosure - Revenues (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenuesTables Revenues (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenues 28 false false R29.htm 995635 - Disclosure - Balance Sheet Components (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables Balance Sheet Components (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponents 29 false false R30.htm 995645 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurements 30 false false R31.htm 995655 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables Goodwill and Intangible Assets (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssets 31 false false R32.htm 995665 - Disclosure - Debt (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebtTables Debt (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebt 32 false false R33.htm 995675 - Disclosure - Leases (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeasesTables Leases (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeases 33 false false R34.htm 995685 - Disclosure - Employee Benefit Plans (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables Employee Benefit Plans (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlans 34 false false R35.htm 995695 - Disclosure - Information about Segments and Geographic Areas (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureInformationAboutSegmentsAndGeographicAreasTables Information about Segments and Geographic Areas (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureInformationAboutSegmentsAndGeographicAreas 35 false false R36.htm 995705 - Disclosure - Restructuring and Related Charges (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureRestructuringAndRelatedChargesTables Restructuring and Related Charges (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureRestructuringAndRelatedCharges1 36 false false R37.htm 995715 - Disclosure - Income Taxes (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxes 37 false false R38.htm 995725 - Disclosure - Net Income (Loss) Per Share (Tables) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareTables Net Income (Loss) Per Share (Tables) Tables http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShare 38 false false R39.htm 995735 - Disclosure - Summary of Significant Accounting Policies (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesNarrativesDetails Summary of Significant Accounting Policies (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies 39 false false R40.htm 995745 - Disclosure - Revenues (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenuesNarrativesDetails Revenues (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenuesTables 40 false false R41.htm 995755 - Disclosure - Revenues (Narratives) (Details 1) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenuesNarrativesDetails1 Revenues (Narratives) (Details 1) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenuesTables 41 false false R42.htm 995765 - Disclosure - Revenues (Schedule of Revenues Disaggregated by Geographic Region) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureRevenuesScheduleOfRevenuesDisaggregatedByGeographicRegionDetails Revenues (Schedule of Revenues Disaggregated by Geographic Region) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenuesTables 42 false false R43.htm 995775 - Disclosure - Revenues (Schedule of Customers Accounting for 10% or More of Net Revenues and Accounts Receivable Balance) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureRevenuesScheduleOfCustomersAccountingFor10OrMoreOfNetRevenuesAndAccountsReceivableBalanceDetails Revenues (Schedule of Customers Accounting for 10% or More of Net Revenues and Accounts Receivable Balance) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureRevenuesTables 43 false false R44.htm 995785 - Disclosure - Balance Sheet Components - (Summary of Cash and Cash Equivalents) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureBalanceSheetComponentsSummaryOfCashAndCashEquivalentsDetails Balance Sheet Components - (Summary of Cash and Cash Equivalents) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 44 false false R45.htm 995795 - Disclosure - Balance Sheet Components (Summary of Accounts Receivable) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsSummaryOfAccountsReceivableDetails Balance Sheet Components (Summary of Accounts Receivable) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 45 false false R46.htm 995805 - Disclosure - Balance Sheet Components (Allowance for Credit Losses) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsAllowanceForCreditLossesDetails Balance Sheet Components (Allowance for Credit Losses) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 46 false false R47.htm 995815 - Disclosure - Balance Sheet Components (Allowance for Product Returns) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsAllowanceForProductReturnsDetails Balance Sheet Components (Allowance for Product Returns) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 47 false false R48.htm 995825 - Disclosure - Balance Sheet Components (Components of Inventories) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsComponentsOfInventoriesDetails Balance Sheet Components (Components of Inventories) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 48 false false R49.htm 995835 - Disclosure - Balance Sheet Components (Components of Property and Equipment) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsComponentsOfPropertyAndEquipmentDetails Balance Sheet Components (Components of Property and Equipment) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 49 false false R50.htm 995845 - Disclosure - Balance Sheet Components (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsNarrativesDetails Balance Sheet Components (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 50 false false R51.htm 995855 - Disclosure - Balance Sheet Components (Summary of Contract Liabilities Shown as Deferred Revenue) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsSummaryOfContractLiabilitiesShownAsDeferredRevenueDetails Balance Sheet Components (Summary of Contract Liabilities Shown as Deferred Revenue) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 51 false false R52.htm 995865 - Disclosure - Balance Sheet Components (Summary of Product Warranty Liability Activity) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsSummaryOfProductWarrantyLiabilityActivityDetails Balance Sheet Components (Summary of Product Warranty Liability Activity) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables 52 false false R53.htm 995875 - Disclosure - Fair Value Measurements (Schedule of Fair Value for Financial Assets and Liabilities Measured on Recurring Basis) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsScheduleOfFairValueForFinancialAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails Fair Value Measurements (Schedule of Fair Value for Financial Assets and Liabilities Measured on Recurring Basis) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsTables 53 false false R54.htm 995885 - Disclosure - Fair Value Measurements (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsNarrativesDetails Fair Value Measurements (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsTables 54 false false R55.htm 995895 - Disclosure - Goodwill and Intangible Assets (Summary of Goodwill) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfGoodwillDetails Goodwill and Intangible Assets (Summary of Goodwill) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables 55 false false R56.htm 995905 - Disclosure - Goodwill and Intangible Assets (Components of Gross and Net Intangible Asset Balances) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsComponentsOfGrossAndNetIntangibleAssetBalancesDetails Goodwill and Intangible Assets (Components of Gross and Net Intangible Asset Balances) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables 56 false false R57.htm 995915 - Disclosure - Goodwill and Intangible Assets (Summary of Amortization Expense of Intangibles) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseOfIntangiblesDetails Goodwill and Intangible Assets (Summary of Amortization Expense of Intangibles) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables 57 false false R58.htm 995925 - Disclosure - Goodwill and Intangible Assets (Schedule Future Amortization for Finite-Lived Intangible Assets) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleFutureAmortizationForFiniteLivedIntangibleAssetsDetails Goodwill and Intangible Assets (Schedule Future Amortization for Finite-Lived Intangible Assets) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables 58 false false R59.htm 995935 - Disclosure - Debt (Components of Debt) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebtComponentsOfDebtDetails Debt (Components of Debt) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebtTables 59 false false R60.htm 995945 - Disclosure - Debt (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebtNarrativesDetails Debt (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebtTables 60 false false R61.htm 995955 - Disclosure - Debt (Schedule of Debt Maturities Excluding Unamortized Debt Issuance Costs) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebtScheduleOfDebtMaturitiesExcludingUnamortizedDebtIssuanceCostsDetails Debt (Schedule of Debt Maturities Excluding Unamortized Debt Issuance Costs) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDebtTables 61 false false R62.htm 995965 - Disclosure - Leases (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeasesNarrativesDetails Leases (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeasesTables 62 false false R63.htm 995975 - Disclosure - Leases (Summary of Activity and Other Information Relating to Operating Leases) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeasesSummaryOfActivityAndOtherInformationRelatingToOperatingLeasesDetails Leases (Summary of Activity and Other Information Relating to Operating Leases) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeasesTables 63 false false R64.htm 995985 - Disclosure - Leases (Schedule of Maturities of Operating Lease Liabilities) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeasesScheduleOfMaturitiesOfOperatingLeaseLiabilitiesDetails Leases (Schedule of Maturities of Operating Lease Liabilities) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureLeasesTables 64 false false R65.htm 996005 - Disclosure - Commitments and Contingencies (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesNarrativesDetails Commitments and Contingencies (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies 65 false false R66.htm 996015 - Disclosure - Stockholders' Equity (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquityNarrativesDetails Stockholders' Equity (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureStockholdersEquity 66 false false R67.htm 996025 - Disclosure - Employee Benefit Plans (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansNarrativesDetails Employee Benefit Plans (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables 67 false false R68.htm 996035 - Disclosure - Employee Benefit Plans (Shares Reserved for Issuance) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansSharesReservedForIssuanceDetails Employee Benefit Plans (Shares Reserved for Issuance) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables 68 false false R69.htm 996045 - Disclosure - Employee Benefit Plans (Summary of Stock Option Activity) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansSummaryOfStockOptionActivityDetails Employee Benefit Plans (Summary of Stock Option Activity) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables 69 false false R70.htm 996055 - Disclosure - Employee Benefit Plans (Summary of Stock Award Activity) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansSummaryOfStockAwardActivityDetails Employee Benefit Plans (Summary of Stock Award Activity) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables 70 false false R71.htm 996065 - Disclosure - Employee Benefit Plans (Schedule of PSUs Earned and Vested Based on Total Stockholder Return (TSR PSUs)) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansScheduleOfPsusEarnedAndVestedBasedOnTotalStockholderReturnTSRPsusDetails Employee Benefit Plans (Schedule of PSUs Earned and Vested Based on Total Stockholder Return (TSR PSUs)) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables 71 false false R72.htm 996075 - Disclosure - Employee Benefit Plans (Summary of Stock Awards with Market or Performance Based Conditions Granted) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansSummaryOfStockAwardsWithMarketOrPerformanceBasedConditionsGrantedDetails Employee Benefit Plans (Summary of Stock Awards with Market or Performance Based Conditions Granted) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables 72 false false R73.htm 996085 - Disclosure - Employee Benefit Plans (Schedule of Recognized Share-based Compensation Expense) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansScheduleOfRecognizedShareBasedCompensationExpenseDetails Employee Benefit Plans (Schedule of Recognized Share-based Compensation Expense) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables 73 false false R74.htm 996095 - Disclosure - Employee Benefit Plans (Schedule of Fair Value Assumptions for Stock Options and Employee Stock Purchase Plan Awards) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansScheduleOfFairValueAssumptionsForStockOptionsAndEmployeeStockPurchasePlanAwardsDetails Employee Benefit Plans (Schedule of Fair Value Assumptions for Stock Options and Employee Stock Purchase Plan Awards) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureEmployeeBenefitPlansTables 74 false false R75.htm 996105 - Disclosure - Information about Segments and Geographic Areas (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureInformationAboutSegmentsAndGeographicAreasNarrativesDetails Information about Segments and Geographic Areas (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureInformationAboutSegmentsAndGeographicAreasTables 75 false false R76.htm 996115 - Disclosure - Information about Segments and Geographic Areas (Schedule of Long Lived Assets by Segment) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureInformationAboutSegmentsAndGeographicAreasScheduleOfLongLivedAssetsBySegmentDetails Information about Segments and Geographic Areas (Schedule of Long Lived Assets by Segment) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureInformationAboutSegmentsAndGeographicAreasTables 76 false false R77.htm 996125 - Disclosure - Derivatives and Hedging (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDerivativesAndHedgingNarrativesDetails Derivatives and Hedging (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureDerivativesAndHedging 77 false false R78.htm 996135 - Disclosure - Restructuring and Related Charges (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureRestructuringAndRelatedChargesNarrativesDetails Restructuring and Related Charges (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureRestructuringAndRelatedChargesTables 78 false false R79.htm 996145 - Disclosure - Restructuring and Related Charges - Summary the activity related to the company's restructuring and related liabilities (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureRestructuringAndRelatedChargesSummaryTheActivityRelatedToTheCompanysRestructuringAndRelatedLiabilitiesDetails Restructuring and Related Charges - Summary the activity related to the company's restructuring and related liabilities (Details) Details 79 false false R80.htm 996155 - Disclosure - Income Taxes (Schedule of Income (Loss) Before Income Tax, Domestic and Foreign) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfIncomeLossBeforeIncomeTaxDomesticAndForeignDetails Income Taxes (Schedule of Income (Loss) Before Income Tax, Domestic and Foreign) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 80 false false R81.htm 996165 - Disclosure - Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 81 false false R82.htm 996175 - Disclosure - Income Taxes (Summary of Provision for Income Taxes Amount and Effective Tax Rate) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureIncomeTaxesSummaryOfProvisionForIncomeTaxesAmountAndEffectiveTaxRateDetails Income Taxes (Summary of Provision for Income Taxes Amount and Effective Tax Rate) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 82 false false R83.htm 996195 - Disclosure - Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 83 false false R84.htm 996205 - Disclosure - Income Taxes (Schedule of Income Tax Paid Net Refunds Received) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxPaidNetRefundsReceivedDetails Income Taxes (Schedule of Income Tax Paid Net Refunds Received) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 84 false false R85.htm 996215 - Disclosure - Income Taxes (Schedule of Income Tax Paid Net Refunds Received) (Parenthetical) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxPaidNetRefundsReceivedParentheticalDetails Income Taxes (Schedule of Income Tax Paid Net Refunds Received) (Parenthetical) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 85 false false R86.htm 996225 - Disclosure - Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 86 false false R87.htm 996245 - Disclosure - Income Taxes (Narratives) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesNarrativesDetails Income Taxes (Narratives) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 87 false false R88.htm 996255 - Disclosure - Income Taxes - (Schedule of Unrecognized Tax Benefits) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureIncomeTaxesScheduleOfUnrecognizedTaxBenefitsDetails Income Taxes - (Schedule of Unrecognized Tax Benefits) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables 88 false false R89.htm 996265 - Disclosure - Net Income (Loss) Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails Net Income (Loss) Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareTables 89 false false R90.htm 996275 - Disclosure - Net Income (Loss) Per Share (Schedule of Anti-Dilutive Shares Excluded from Earnings Per Share Calculation) (Details) Sheet http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareScheduleOfAntidilutiveSharesExcludedFromEarningsPerShareCalculationDetails Net Income (Loss) Per Share (Schedule of Anti-Dilutive Shares Excluded from Earnings Per Share Calculation) (Details) Details http://www.extremenetworks.com/20260630/taxonomy/role/DisclosureNetIncomeLossPerShareTables 90 false false All Reports Book All Reports extr-20260630.htm extr-20260630.xsd img226686004_0.jpg http://fasb.org/srt/2026 http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/cyd/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 false false