3.26.1 html 623 710 1 false 170 0 false 9 false false R1.htm 0000001 - Document - Cover Page Sheet http://www.enersys.com/role/CoverPage Cover Page Cover 1 false false R2.htm 0000002 - Document - Audit Information Sheet http://www.enersys.com/role/AuditInformation Audit Information Cover 2 false false R3.htm 9952151 - Statement - Consolidated Balance Sheets Sheet http://www.enersys.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 3 false false R4.htm 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.enersys.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 4 false false R5.htm 9952153 - Statement - Consolidated Statements of Income Sheet http://www.enersys.com/role/ConsolidatedStatementsofIncome Consolidated Statements of Income Statements 5 false false R6.htm 9952154 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.enersys.com/role/ConsolidatedStatementsofComprehensiveIncome Consolidated Statements of Comprehensive Income Statements 6 false false R7.htm 9952155 - Statement - Consolidated Statements of Changes in Equity Sheet http://www.enersys.com/role/ConsolidatedStatementsofChangesinEquity Consolidated Statements of Changes in Equity Statements 7 false false R8.htm 9952156 - Statement - Consolidated Statements of Changes in Equity (Parenthetical) Sheet http://www.enersys.com/role/ConsolidatedStatementsofChangesinEquityParenthetical Consolidated Statements of Changes in Equity (Parenthetical) Statements 8 false false R9.htm 9952157 - Statement - Consolidated Statements of Cash Flows Sheet http://www.enersys.com/role/ConsolidatedStatementsofCashFlows Consolidated Statements of Cash Flows Statements 9 false false R10.htm 9952158 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.enersys.com/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 9952159 - Disclosure - Revenue Recognition Sheet http://www.enersys.com/role/RevenueRecognition Revenue Recognition Notes 11 false false R12.htm 9952160 - Disclosure - Leases Sheet http://www.enersys.com/role/Leases Leases Notes 12 false false R13.htm 9952161 - Disclosure - Acquisition Sheet http://www.enersys.com/role/Acquisition Acquisition Notes 13 false false R14.htm 9952162 - Disclosure - Accounts Receivable Sheet http://www.enersys.com/role/AccountsReceivable Accounts Receivable Notes 14 false false R15.htm 9952163 - Disclosure - Inventories Sheet http://www.enersys.com/role/Inventories Inventories Notes 15 false false R16.htm 9952164 - Disclosure - Property, Plant, and Equipment Sheet http://www.enersys.com/role/PropertyPlantandEquipment Property, Plant, and Equipment Notes 16 false false R17.htm 9952165 - Disclosure - Goodwill and Other Intangible Assets Sheet http://www.enersys.com/role/GoodwillandOtherIntangibleAssets Goodwill and Other Intangible Assets Notes 17 false false R18.htm 9952166 - Disclosure - Prepaid and Other Current Assets Sheet http://www.enersys.com/role/PrepaidandOtherCurrentAssets Prepaid and Other Current Assets Notes 18 false false R19.htm 9952167 - Disclosure - Accrued Expenses Sheet http://www.enersys.com/role/AccruedExpenses Accrued Expenses Notes 19 false false R20.htm 9952168 - Disclosure - Debt Sheet http://www.enersys.com/role/Debt Debt Notes 20 false false R21.htm 9952169 - Disclosure - Other Liabilities Sheet http://www.enersys.com/role/OtherLiabilities Other Liabilities Notes 21 false false R22.htm 9952170 - Disclosure - Fair Value of Financial Instruments Sheet http://www.enersys.com/role/FairValueofFinancialInstruments Fair Value of Financial Instruments Notes 22 false false R23.htm 9952171 - Disclosure - Derivative Financial Instruments Sheet http://www.enersys.com/role/DerivativeFinancialInstruments Derivative Financial Instruments Notes 23 false false R24.htm 9952172 - Disclosure - Income Taxes Sheet http://www.enersys.com/role/IncomeTaxes Income Taxes Notes 24 false false R25.htm 9952173 - Disclosure - Retirement Plans Sheet http://www.enersys.com/role/RetirementPlans Retirement Plans Notes 25 false false R26.htm 9952174 - Disclosure - Stockholders’ Equity Sheet http://www.enersys.com/role/StockholdersEquity Stockholders’ Equity Notes 26 false false R27.htm 9952175 - Disclosure - Stock-Based Compensation Sheet http://www.enersys.com/role/StockBasedCompensation Stock-Based Compensation Notes 27 false false R28.htm 9952176 - Disclosure - Earnings Per Share Sheet http://www.enersys.com/role/EarningsPerShare Earnings Per Share Notes 28 false false R29.htm 9952177 - Disclosure - Commitments, Contingencies and Litigation Sheet http://www.enersys.com/role/CommitmentsContingenciesandLitigation Commitments, Contingencies and Litigation Notes 29 false false R30.htm 9952178 - Disclosure - Restructuring Plans and Other Exit Charges Sheet http://www.enersys.com/role/RestructuringPlansandOtherExitCharges Restructuring Plans and Other Exit Charges Notes 30 false false R31.htm 9952179 - Disclosure - Warranty Sheet http://www.enersys.com/role/Warranty Warranty Notes 31 false false R32.htm 9952180 - Disclosure - Other (Income) Expense, Net Sheet http://www.enersys.com/role/OtherIncomeExpenseNet Other (Income) Expense, Net Notes 32 false false R33.htm 9952181 - Disclosure - Business Segments Sheet http://www.enersys.com/role/BusinessSegments Business Segments Notes 33 false false R34.htm 9952182 - Disclosure - Subsequent Events Sheet http://www.enersys.com/role/SubsequentEvents Subsequent Events Notes 34 false false R35.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 35 false false R36.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 36 false false R37.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 37 false false R38.htm 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.enersys.com/role/SummaryofSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.enersys.com/role/SummaryofSignificantAccountingPolicies 38 false false R39.htm 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.enersys.com/role/SummaryofSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.enersys.com/role/SummaryofSignificantAccountingPolicies 39 false false R40.htm 9955513 - Disclosure - Leases (Tables) Sheet http://www.enersys.com/role/LeasesTables Leases (Tables) Tables http://www.enersys.com/role/Leases 40 false false R41.htm 9955514 - Disclosure - Acquisition (Tables) Sheet http://www.enersys.com/role/AcquisitionTables Acquisition (Tables) Tables http://www.enersys.com/role/Acquisition 41 false false R42.htm 9955515 - Disclosure - Accounts Receivable (Tables) Sheet http://www.enersys.com/role/AccountsReceivableTables Accounts Receivable (Tables) Tables http://www.enersys.com/role/AccountsReceivable 42 false false R43.htm 9955516 - Disclosure - Inventories (Tables) Sheet http://www.enersys.com/role/InventoriesTables Inventories (Tables) Tables http://www.enersys.com/role/Inventories 43 false false R44.htm 9955517 - Disclosure - Property, Plant, and Equipment (Tables) Sheet http://www.enersys.com/role/PropertyPlantandEquipmentTables Property, Plant, and Equipment (Tables) Tables http://www.enersys.com/role/PropertyPlantandEquipment 44 false false R45.htm 9955518 - Disclosure - Goodwill and Other Intangible Assets (Tables) Sheet http://www.enersys.com/role/GoodwillandOtherIntangibleAssetsTables Goodwill and Other Intangible Assets (Tables) Tables http://www.enersys.com/role/GoodwillandOtherIntangibleAssets 45 false false R46.htm 9955519 - Disclosure - Prepaid and Other Current Assets (Tables) Sheet http://www.enersys.com/role/PrepaidandOtherCurrentAssetsTables Prepaid and Other Current Assets (Tables) Tables http://www.enersys.com/role/PrepaidandOtherCurrentAssets 46 false false R47.htm 9955520 - Disclosure - Accrued Expenses (Tables) Sheet http://www.enersys.com/role/AccruedExpensesTables Accrued Expenses (Tables) Tables http://www.enersys.com/role/AccruedExpenses 47 false false R48.htm 9955521 - Disclosure - Debt (Tables) Sheet http://www.enersys.com/role/DebtTables Debt (Tables) Tables http://www.enersys.com/role/Debt 48 false false R49.htm 9955522 - Disclosure - Other Liabilities (Tables) Sheet http://www.enersys.com/role/OtherLiabilitiesTables Other Liabilities (Tables) Tables http://www.enersys.com/role/OtherLiabilities 49 false false R50.htm 9955523 - Disclosure - Fair Value of Financial Instruments (Tables) Sheet http://www.enersys.com/role/FairValueofFinancialInstrumentsTables Fair Value of Financial Instruments (Tables) Tables http://www.enersys.com/role/FairValueofFinancialInstruments 50 false false R51.htm 9955524 - Disclosure - Derivative Financial Instruments (Tables) Sheet http://www.enersys.com/role/DerivativeFinancialInstrumentsTables Derivative Financial Instruments (Tables) Tables http://www.enersys.com/role/DerivativeFinancialInstruments 51 false false R52.htm 9955525 - Disclosure - Income Taxes (Tables) Sheet http://www.enersys.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.enersys.com/role/IncomeTaxes 52 false false R53.htm 9955526 - Disclosure - Retirement Plans (Tables) Sheet http://www.enersys.com/role/RetirementPlansTables Retirement Plans (Tables) Tables http://www.enersys.com/role/RetirementPlans 53 false false R54.htm 9955527 - Disclosure - Stockholders’ Equity (Tables) Sheet http://www.enersys.com/role/StockholdersEquityTables Stockholders’ Equity (Tables) Tables http://www.enersys.com/role/StockholdersEquity 54 false false R55.htm 9955528 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.enersys.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://www.enersys.com/role/StockBasedCompensation 55 false false R56.htm 9955529 - Disclosure - Earnings Per Share (Tables) Sheet http://www.enersys.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.enersys.com/role/EarningsPerShare 56 false false R57.htm 9955530 - Disclosure - Restructuring, Exit and Other Charges (Tables) Sheet http://www.enersys.com/role/RestructuringExitandOtherChargesTables Restructuring, Exit and Other Charges (Tables) Tables 57 false false R58.htm 9955531 - Disclosure - Warranty (Tables) Sheet http://www.enersys.com/role/WarrantyTables Warranty (Tables) Tables http://www.enersys.com/role/Warranty 58 false false R59.htm 9955532 - Disclosure - Other (Income) Expense, Net (Tables) Sheet http://www.enersys.com/role/OtherIncomeExpenseNetTables Other (Income) Expense, Net (Tables) Tables http://www.enersys.com/role/OtherLiabilities 59 false false R60.htm 9955533 - Disclosure - Business Segments (Tables) Sheet http://www.enersys.com/role/BusinessSegmentsTables Business Segments (Tables) Tables http://www.enersys.com/role/BusinessSegments 60 false false R61.htm 9955534 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.enersys.com/role/SummaryofSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 61 false false R62.htm 9955535 - Disclosure - Summary of Significant Accounting Policies - Schedule of Allowance for Doubtful Accounts (Details) Sheet http://www.enersys.com/role/SummaryofSignificantAccountingPoliciesScheduleofAllowanceforDoubtfulAccountsDetails Summary of Significant Accounting Policies - Schedule of Allowance for Doubtful Accounts (Details) Details 62 false false R63.htm 9955536 - Disclosure - Revenue Recognition - Additional Information (Detail) Sheet http://www.enersys.com/role/RevenueRecognitionAdditionalInformationDetail Revenue Recognition - Additional Information (Detail) Details 63 false false R64.htm 9955537 - Disclosure - Revenue Recognition - Remaining Performance Obligation (Details) Sheet http://www.enersys.com/role/RevenueRecognitionRemainingPerformanceObligationDetails Revenue Recognition - Remaining Performance Obligation (Details) Details 64 false false R65.htm 9955538 - Disclosure - Leases - Additional Information (Detail) Sheet http://www.enersys.com/role/LeasesAdditionalInformationDetail Leases - Additional Information (Detail) Details 65 false false R66.htm 9955539 - Disclosure - Leases - Balance Sheet Classification (Detail) Sheet http://www.enersys.com/role/LeasesBalanceSheetClassificationDetail Leases - Balance Sheet Classification (Detail) Details 66 false false R67.htm 9955540 - Disclosure - Leases - Components of Lease Expense (Detail) Sheet http://www.enersys.com/role/LeasesComponentsofLeaseExpenseDetail Leases - Components of Lease Expense (Detail) Details 67 false false R68.htm 9955541 - Disclosure - Leases - Additional Information Related to Leases (Detail) Sheet http://www.enersys.com/role/LeasesAdditionalInformationRelatedtoLeasesDetail Leases - Additional Information Related to Leases (Detail) Details 68 false false R69.htm 9955542 - Disclosure - Leases - Finance and Operating Lease Maturity Schedules (Detail) Sheet http://www.enersys.com/role/LeasesFinanceandOperatingLeaseMaturitySchedulesDetail Leases - Finance and Operating Lease Maturity Schedules (Detail) Details 69 false false R70.htm 9955543 - Disclosure - Leases - Supplemental Cash Flow Information (Detail) Sheet http://www.enersys.com/role/LeasesSupplementalCashFlowInformationDetail Leases - Supplemental Cash Flow Information (Detail) Details 70 false false R71.htm 9955544 - Disclosure - Acquisition - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) Sheet http://www.enersys.com/role/AcquisitionScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails Acquisition - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) Details 71 false false R72.htm 9955545 - Disclosure - Acquisition - Additional Information (Details) Sheet http://www.enersys.com/role/AcquisitionAdditionalInformationDetails Acquisition - Additional Information (Details) Details 72 false false R73.htm 9955546 - Disclosure - Accounts Receivable - Schedule of Accounts Receivable (Details) Sheet http://www.enersys.com/role/AccountsReceivableScheduleofAccountsReceivableDetails Accounts Receivable - Schedule of Accounts Receivable (Details) Details 73 false false R74.htm 9955547 - Disclosure - Accounts Receivable - Additional Information (Details) Sheet http://www.enersys.com/role/AccountsReceivableAdditionalInformationDetails Accounts Receivable - Additional Information (Details) Details 74 false false R75.htm 9955548 - Disclosure - Inventories - Summary of Inventories (Detail) Sheet http://www.enersys.com/role/InventoriesSummaryofInventoriesDetail Inventories - Summary of Inventories (Detail) Details 75 false false R76.htm 9955549 - Disclosure - Property, Plant, and Equipment - Summary of Property, Plant, and Equipment (Detail) Sheet http://www.enersys.com/role/PropertyPlantandEquipmentSummaryofPropertyPlantandEquipmentDetail Property, Plant, and Equipment - Summary of Property, Plant, and Equipment (Detail) Details 76 false false R77.htm 9955550 - Disclosure - Property, Plant, and Equipment - Additional Information (Detail) Sheet http://www.enersys.com/role/PropertyPlantandEquipmentAdditionalInformationDetail Property, Plant, and Equipment - Additional Information (Detail) Details 77 false false R78.htm 9955551 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Company's Other Intangible Assets (Detail) Sheet http://www.enersys.com/role/GoodwillandOtherIntangibleAssetsScheduleofCompanysOtherIntangibleAssetsDetail Goodwill and Other Intangible Assets - Schedule of Company's Other Intangible Assets (Detail) Details 78 false false R79.htm 9955552 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Detail) Sheet http://www.enersys.com/role/GoodwillandOtherIntangibleAssetsAdditionalInformationDetail Goodwill and Other Intangible Assets - Additional Information (Detail) Details 79 false false R80.htm 9955553 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill by Business Segment (Detail) Sheet http://www.enersys.com/role/GoodwillandOtherIntangibleAssetsScheduleofChangesinCarryingAmountofGoodwillbyBusinessSegmentDetail Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill by Business Segment (Detail) Details 80 false false R81.htm 9955554 - Disclosure - Prepaid and Other Current Assets (Detail) Sheet http://www.enersys.com/role/PrepaidandOtherCurrentAssetsDetail Prepaid and Other Current Assets (Detail) Details http://www.enersys.com/role/PrepaidandOtherCurrentAssetsTables 81 false false R82.htm 9955555 - Disclosure - Accrued Expenses (Detail) Sheet http://www.enersys.com/role/AccruedExpensesDetail Accrued Expenses (Detail) Details http://www.enersys.com/role/AccruedExpensesTables 82 false false R83.htm 9955556 - Disclosure - Debt - Long Term Debt (Detail) Sheet http://www.enersys.com/role/DebtLongTermDebtDetail Debt - Long Term Debt (Detail) Details 83 false false R84.htm 9955557 - Disclosure - Debt - Additional Information (Detail) Sheet http://www.enersys.com/role/DebtAdditionalInformationDetail Debt - Additional Information (Detail) Details 84 false false R85.htm 9955558 - Disclosure - Other Liabilities (Detail) Sheet http://www.enersys.com/role/OtherLiabilitiesDetail Other Liabilities (Detail) Details http://www.enersys.com/role/OtherLiabilitiesTables 85 false false R86.htm 9955559 - Disclosure - Fair Value of Financial Instruments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) Sheet http://www.enersys.com/role/FairValueofFinancialInstrumentsFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetail Fair Value of Financial Instruments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) Details 86 false false R87.htm 9955560 - Disclosure - Fair Value of Financial Instruments - Additional Information (Detail) Sheet http://www.enersys.com/role/FairValueofFinancialInstrumentsAdditionalInformationDetail Fair Value of Financial Instruments - Additional Information (Detail) Details 87 false false R88.htm 9955561 - Disclosure - Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Company Financial Instruments (Detail) Sheet http://www.enersys.com/role/FairValueofFinancialInstrumentsCarryingAmountsandEstimatedFairValuesofCompanyFinancialInstrumentsDetail Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Company Financial Instruments (Detail) Details 88 false false R89.htm 9955562 - Disclosure - Derivative Financial Instruments - Additional Information (Detail) Sheet http://www.enersys.com/role/DerivativeFinancialInstrumentsAdditionalInformationDetail Derivative Financial Instruments - Additional Information (Detail) Details 89 false false R90.htm 9955563 - Disclosure - Derivative Financial Instruments - Fair Value of Derivative Instruments (Detail) Sheet http://www.enersys.com/role/DerivativeFinancialInstrumentsFairValueofDerivativeInstrumentsDetail Derivative Financial Instruments - Fair Value of Derivative Instruments (Detail) Details 90 false false R91.htm 9955564 - Disclosure - Derivative Financial Instruments - Derivatives Effect on Statements of Income (Detail) Sheet http://www.enersys.com/role/DerivativeFinancialInstrumentsDerivativesEffectonStatementsofIncomeDetail Derivative Financial Instruments - Derivatives Effect on Statements of Income (Detail) Details 91 false false R92.htm 9955565 - Disclosure - Derivative Financial Instruments - Effect of Derivative Instruments (Detail) Sheet http://www.enersys.com/role/DerivativeFinancialInstrumentsEffectofDerivativeInstrumentsDetail Derivative Financial Instruments - Effect of Derivative Instruments (Detail) Details 92 false false R93.htm 9955566 - Disclosure - Income Taxes - Schedule of Income Tax Expense (Detail) Sheet http://www.enersys.com/role/IncomeTaxesScheduleofIncomeTaxExpenseDetail Income Taxes - Schedule of Income Tax Expense (Detail) Details 93 false false R94.htm 9955567 - Disclosure - Income Taxes - Schedule of Earning Before Income Taxes (Detail) Sheet http://www.enersys.com/role/IncomeTaxesScheduleofEarningBeforeIncomeTaxesDetail Income Taxes - Schedule of Earning Before Income Taxes (Detail) Details 94 false false R95.htm 9955568 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) Sheet http://www.enersys.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetail Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) Details 95 false false R96.htm 9955569 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.enersys.com/role/IncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 96 false false R97.htm 9955570 - Disclosure - Income Taxes - Schedule of Valuation Allowance (Details) Sheet http://www.enersys.com/role/IncomeTaxesScheduleofValuationAllowanceDetails Income Taxes - Schedule of Valuation Allowance (Details) Details 97 false false R98.htm 9955571 - Disclosure - Income Taxes - Reconciliation of Income Taxes at Statutory Rate After Adoption of ASU 2023-09 (Details) Sheet http://www.enersys.com/role/IncomeTaxesReconciliationofIncomeTaxesatStatutoryRateAfterAdoptionofASU202309Details Income Taxes - Reconciliation of Income Taxes at Statutory Rate After Adoption of ASU 2023-09 (Details) Details 98 false false R99.htm 9955572 - Disclosure - Income Taxes - Reconciliation of Income Taxes at Statutory Rate (Details) Sheet http://www.enersys.com/role/IncomeTaxesReconciliationofIncomeTaxesatStatutoryRateDetails Income Taxes - Reconciliation of Income Taxes at Statutory Rate (Details) Details 99 false false R100.htm 9955573 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) Sheet http://www.enersys.com/role/IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetail Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) Details 100 false false R101.htm 9955574 - Disclosure - Income Taxes - Schedule of Cash Income Taxes Paid (Details) Sheet http://www.enersys.com/role/IncomeTaxesScheduleofCashIncomeTaxesPaidDetails Income Taxes - Schedule of Cash Income Taxes Paid (Details) Details 101 false false R102.htm 9955575 - Disclosure - Retirement Plans - Net Periodic Pension Costs (Detail) Sheet http://www.enersys.com/role/RetirementPlansNetPeriodicPensionCostsDetail Retirement Plans - Net Periodic Pension Costs (Detail) Details 102 false false R103.htm 9955576 - Disclosure - Retirement Plans - Change in Projected Benefit Obligations and Change in Plan Assets (Detail) Sheet http://www.enersys.com/role/RetirementPlansChangeinProjectedBenefitObligationsandChangeinPlanAssetsDetail Retirement Plans - Change in Projected Benefit Obligations and Change in Plan Assets (Detail) Details 103 false false R104.htm 9955577 - Disclosure - Retirement Plans - Amounts Recognized in Consolidated Balance Sheets (Detail) Sheet http://www.enersys.com/role/RetirementPlansAmountsRecognizedinConsolidatedBalanceSheetsDetail Retirement Plans - Amounts Recognized in Consolidated Balance Sheets (Detail) Details 104 false false R105.htm 9955578 - Disclosure - Retirement Plans - Pension Components Before Tax and Related Changes Net of Tax Recognized in AOCI (Detail) Sheet http://www.enersys.com/role/RetirementPlansPensionComponentsBeforeTaxandRelatedChangesNetofTaxRecognizedinAOCIDetail Retirement Plans - Pension Components Before Tax and Related Changes Net of Tax Recognized in AOCI (Detail) Details 105 false false R106.htm 9955579 - Disclosure - Retirement Plans - Summary Changes in Plan Assets and Benefit Obligations (Detail) Sheet http://www.enersys.com/role/RetirementPlansSummaryChangesinPlanAssetsandBenefitObligationsDetail Retirement Plans - Summary Changes in Plan Assets and Benefit Obligations (Detail) Details 106 false false R107.htm 9955580 - Disclosure - Retirement Plans - Summary of Recognized Components of Net Periodic Pension Cost Included in Accumulated Other Comprehensive Income (Detail) Sheet http://www.enersys.com/role/RetirementPlansSummaryofRecognizedComponentsofNetPeriodicPensionCostIncludedinAccumulatedOtherComprehensiveIncomeDetail Retirement Plans - Summary of Recognized Components of Net Periodic Pension Cost Included in Accumulated Other Comprehensive Income (Detail) Details 107 false false R108.htm 9955581 - Disclosure - Retirement Plans - Summary of Accumulated Benefit Obligation Related to All Defined Pension Plans (Detail) Sheet http://www.enersys.com/role/RetirementPlansSummaryofAccumulatedBenefitObligationRelatedtoAllDefinedPensionPlansDetail Retirement Plans - Summary of Accumulated Benefit Obligation Related to All Defined Pension Plans (Detail) Details 108 false false R109.htm 9955582 - Disclosure - Retirement Plans - Significant Assumptions Used to Determine Net Periodic Benefit Cost (Detail) Sheet http://www.enersys.com/role/RetirementPlansSignificantAssumptionsUsedtoDetermineNetPeriodicBenefitCostDetail Retirement Plans - Significant Assumptions Used to Determine Net Periodic Benefit Cost (Detail) Details 109 false false R110.htm 9955583 - Disclosure - Retirement Plans - Significant Assumptions Used to Determine Projected Benefit Obligations (Detail) Sheet http://www.enersys.com/role/RetirementPlansSignificantAssumptionsUsedtoDetermineProjectedBenefitObligationsDetail Retirement Plans - Significant Assumptions Used to Determine Projected Benefit Obligations (Detail) Details 110 false false R111.htm 9955584 - Disclosure - Retirement Plans - Additional Information (Detail) Sheet http://www.enersys.com/role/RetirementPlansAdditionalInformationDetail Retirement Plans - Additional Information (Detail) Details 111 false false R112.htm 9955585 - Disclosure - Retirement Plans - Summary of Pension Plan Investments Measured at Fair Value (Detail) Sheet http://www.enersys.com/role/RetirementPlansSummaryofPensionPlanInvestmentsMeasuredatFairValueDetail Retirement Plans - Summary of Pension Plan Investments Measured at Fair Value (Detail) Details 112 false false R113.htm 9955586 - Disclosure - Retirement Plans - Schedule of Level 3 Rollforward (Details) Sheet http://www.enersys.com/role/RetirementPlansScheduleofLevel3RollforwardDetails Retirement Plans - Schedule of Level 3 Rollforward (Details) Details 113 false false R114.htm 9955587 - Disclosure - Retirement Plans - Summary of Estimated Future Benefit Payments (Detail) Sheet http://www.enersys.com/role/RetirementPlansSummaryofEstimatedFutureBenefitPaymentsDetail Retirement Plans - Summary of Estimated Future Benefit Payments (Detail) Details 114 false false R115.htm 9955588 - Disclosure - Stockholders’ Equity - Additional Information (Detail) Sheet http://www.enersys.com/role/StockholdersEquityAdditionalInformationDetail Stockholders’ Equity - Additional Information (Detail) Details 115 false false R116.htm 9955589 - Disclosure - Stockholders' Equity - Change in Number of Shares of Common Stock Outstanding (Detail) Sheet http://www.enersys.com/role/StockholdersEquityChangeinNumberofSharesofCommonStockOutstandingDetail Stockholders' Equity - Change in Number of Shares of Common Stock Outstanding (Detail) Details 116 false false R117.htm 9955590 - Disclosure - Stockholders' Equity - Components of Accumulated Other Comprehensive Income (Detail) Sheet http://www.enersys.com/role/StockholdersEquityComponentsofAccumulatedOtherComprehensiveIncomeDetail Stockholders' Equity - Components of Accumulated Other Comprehensive Income (Detail) Details 117 false false R118.htm 9955591 - Disclosure - Stockholders' Equity and Noncontrolling Interests - (Reclassifications from AOCI) (Detail) Sheet http://www.enersys.com/role/StockholdersEquityandNoncontrollingInterestsReclassificationsfromAOCIDetail Stockholders' Equity and Noncontrolling Interests - (Reclassifications from AOCI) (Detail) Details 118 false false R119.htm 9955592 - Disclosure - Stock-Based Compensation - Additional Information (Detail) Sheet http://www.enersys.com/role/StockBasedCompensationAdditionalInformationDetail Stock-Based Compensation - Additional Information (Detail) Details 119 false false R120.htm 9955593 - Disclosure - Stock Based Compensation Stock-Based Compensation - Summary of Assumptions Used for Market Share Units (Detail) Sheet http://www.enersys.com/role/StockBasedCompensationStockBasedCompensationSummaryofAssumptionsUsedforMarketShareUnitsDetail Stock Based Compensation Stock-Based Compensation - Summary of Assumptions Used for Market Share Units (Detail) Details 120 false false R121.htm 9955594 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity (Detail) Sheet http://www.enersys.com/role/StockBasedCompensationSummaryofStockOptionActivityDetail Stock-Based Compensation - Summary of Stock Option Activity (Detail) Details 121 false false R122.htm 9955595 - Disclosure - Stock-Based Compensation - Summary of Information Regarding Stock Options Outstanding and Exercisable (Detail) Sheet http://www.enersys.com/role/StockBasedCompensationSummaryofInformationRegardingStockOptionsOutstandingandExercisableDetail Stock-Based Compensation - Summary of Information Regarding Stock Options Outstanding and Exercisable (Detail) Details 122 false false R123.htm 9955596 - Disclosure - Stock-Based Compensation - Summary of Changes in Restricted Stock Units and Market Share Units (Detail) Sheet http://www.enersys.com/role/StockBasedCompensationSummaryofChangesinRestrictedStockUnitsandMarketShareUnitsDetail Stock-Based Compensation - Summary of Changes in Restricted Stock Units and Market Share Units (Detail) Details 123 false false R124.htm 9955597 - Disclosure - Earnings Per Share - Weighted Average Common Shares Basic and Common Shares Diluted (Detail) Sheet http://www.enersys.com/role/EarningsPerShareWeightedAverageCommonSharesBasicandCommonSharesDilutedDetail Earnings Per Share - Weighted Average Common Shares Basic and Common Shares Diluted (Detail) Details 124 false false R125.htm 9955598 - Disclosure - Commitments, Contingencies and Litigation - Additional Information (Detail) Sheet http://www.enersys.com/role/CommitmentsContingenciesandLitigationAdditionalInformationDetail Commitments, Contingencies and Litigation - Additional Information (Detail) Details 125 false false R126.htm 9955599 - Disclosure - Restructuring, Exit and Other Charges - Additional Information (Details) Sheet http://www.enersys.com/role/RestructuringExitandOtherChargesAdditionalInformationDetails Restructuring, Exit and Other Charges - Additional Information (Details) Details 126 false false R127.htm 9955600 - Disclosure - Restructuring, Exit and Other Charges - Acquisition and Non-Acquisition Related Restructuring Reserve (Details) Sheet http://www.enersys.com/role/RestructuringExitandOtherChargesAcquisitionandNonAcquisitionRelatedRestructuringReserveDetails Restructuring, Exit and Other Charges - Acquisition and Non-Acquisition Related Restructuring Reserve (Details) Details 127 false false R128.htm 9955601 - Disclosure - Warranty (Detail) Sheet http://www.enersys.com/role/WarrantyDetail Warranty (Detail) Details http://www.enersys.com/role/WarrantyTables 128 false false R129.htm 9955602 - Disclosure - Other (Income) Expense, Net (Detail) Sheet http://www.enersys.com/role/OtherIncomeExpenseNetDetail Other (Income) Expense, Net (Detail) Details http://www.enersys.com/role/OtherLiabilitiesTables 129 false false R130.htm 9955603 - Disclosure - Business Segments - Additional Information (Details) Sheet http://www.enersys.com/role/BusinessSegmentsAdditionalInformationDetails Business Segments - Additional Information (Details) Details 130 false false R131.htm 9955604 - Disclosure - Business Segments - Schedule of Financial Information by Reportable Segment (Details) Sheet http://www.enersys.com/role/BusinessSegmentsScheduleofFinancialInformationbyReportableSegmentDetails Business Segments - Schedule of Financial Information by Reportable Segment (Details) Details 131 false false R132.htm 9955605 - Disclosure - Subsequent Events - Additional Information (Detail) Sheet http://www.enersys.com/role/SubsequentEventsAdditionalInformationDetail Subsequent Events - Additional Information (Detail) Details 132 false false All Reports Book All Reports ens-20260331.htm ens-20260331.xsd ens-20260331_cal.xml ens-20260331_def.xml ens-20260331_lab.xml ens-20260331_pre.xml ens-20260331_g1.jpg http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/cyd/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 true true