Document and Entity Information [Abstract] Document And Entity Information [Abstract]. Document Type Amendment Flag Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Consolidated Statements of Operations [Abstract] Revenue, Net Net Sales Cost of Goods Sold Costs of products sold Gross Profit Gross profit Operating Expenses Operating expenses Operating Income (Loss) Operating earnings Other Income Other income (expense) Interest Expense Interest expense Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Earnings before income taxes Operating earnings (loss) before income taxes Income Tax Expense (Benefit) Income tax expense Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net earnings Net earnings Net Income (Loss) Attributable to Noncontrolling Interest Less: net earnings attributable to the noncontrolling interest Net Income (Loss) Attributable to Parent Net earnings Net earnings attributable to Kewaunee Scientific Corporation Earnings Per Share [Abstract] Net earnings per share attributable to Kewaunee Scientific Corporation stockholders Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average number of common shares outstanding Weighted Average Number of Shares Outstanding, Basic Basic Weighted Average Number of Shares Outstanding, Diluted Diluted Consolidated Balance Sheets [Abstract] Assets [Abstract] ASSETS Cash and Cash Equivalents, at Carrying Value Cash and Cash Equivalents, end of Period Cash and Cash Equivalents, beginning of Period Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Restricted cash Receivables, Net, Current Receivables, less allowance Inventory, Net Inventories Inventory, Net Deferred Tax Assets, Net, Current Deferred income taxes Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total Current Assets Property, Plant and Equipment, Net Net Property, Plant and Equipment Deferred Tax Assets, Net, Noncurrent Deferred income taxes Other Assets, Noncurrent Other Other Assets Total Other Assets Assets Total Assets Liabilities and Equity [Abstract] Liabilities and Equity Short-term Debt Short-term borrowings Capital Lease Obligations, Current Current obligations under capital leases Long-term Debt, Current Maturities Current portion of long-term debt Accounts Payable, Current Accounts payable Employee-related Liabilities, Current Employee compensation and amounts withheld Deferred Revenue, Current Deferred revenue Other Accrued Liabilities, Current Other accrued expenses Liabilities, Current Total Current Liabilities Long-term Debt Long-term debt Accrued Employee Benefit Plan Costs Total of the aggregate carrying amounts of the noncurrent liabilities for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans and deferred compensation arrangements representing currently earned compensation under cash arrangements (such as a rabbi trust) that is not actually paid until a later date. Accrued employee benefit plan costs Liabilities Total Liabilities Commitments and Contingencies Commitments and Contingencies Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity: Common Stock, Value, Issued Common stock Additional Paid In Capital Common Stock Additional paid-in-capital Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Treasury Stock, Value Common stock in treasury, at cost Stockholders' Equity Attributable to Parent Total Kewaunee Scientific Corporation Stockholders' Equity Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total Equity Liabilities and Equity Total Liabilities and Equity Consolidated Statements of Cash Flows [Abstract] Cash Flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net earnings to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Depreciation Provision for Doubtful Accounts Bad debt provision Deferred Income Tax Expense (Benefit) Provision for deferred income tax expense Increase (Decrease) in Accounts Receivable Decrease in receivables Increase (Decrease) in Inventories Decrease in inventories Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (decrease) in accounts payable and other accrued expenses Increase (Decrease) in Deferred Revenue Increase in deferred revenue Other Operating Activities, Cash Flow Statement Other, net Net Cash Provided by (Used in) Operating Activities Net cash provided by (used in) operating activities Cash Flows from Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Payments to Acquire Productive Assets Capital expenditures Increase (Decrease) in Restricted Cash Decrease (Increase) in restricted cash Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Cash Flows from Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Repayments of Long-term Debt Payments on long-term debt Payments of Dividends Dividends paid Proceeds from Short-term Debt (Decrease) increase in short-term borrowings Repayments of Long-term Capital Lease Obligations Payments on capital leases Net Proceeds from Exercise of Stock Options (Including Tax Benefit) Net proceeds from exercise of stock options (including tax benefit) The cash inflow associated with the amount received from holders exercising their stock options, net of any related income tax benefit or expense recognized by the entity. Net Cash Provided by (Used in) Financing Activities Net cash (used in) provided by financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate changes on cash Cash and Cash Equivalents, Period Increase (Decrease) Increase in Cash and Cash Equivalents Inventories [Abstract] Inventory Disclosure [Text Block] Inventories Segment Information [Abstract] Segment Reporting Disclosure [Text Block] Segment Information Defined Benefit Pension Plans [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Defined Benefit Pension Plans Current Assets: Assets, Current [Abstract] Current Liabilities: Liabilities, Current [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to Kewaunee Scientific Corporation Property, Plant and Equipment, Gross Property, plant and equipment, at cost Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss), net of tax: Financial Information [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Financial Information Statement of Other Comprehensive Income [Abstract] Earnings Per Share [Text Block] Earnings Per Share Inventory, Net [Abstract] Inventories Schedule of Inventory, Current [Table Text Block] Inventories Schedule of Segment Reporting Information, by Segment [Table Text Block] Segment Information Domestic Operations [Member] Domestic operations. Domestic Operations [Member] International Operations [Member] International Operations [Member] International operations. Corporate [Member] Corporate [Member] Revenue from External Customers Revenues from external customers Segment Reporting Information, Intersegment Revenue Intersegment revenues Schedule of Segment Reporting Information, by Segment [Table] Business Segments [Axis] Segment [Domain] Segment Reporting Information [Line Items] Segment Reporting Information, Profit (Loss) [Abstract] Financial information by business segments Defined Benefit Plan, Net Periodic Benefit Cost Net periodic pension expense Defined Benefit Plan, Expected Return on Plan Assets Expected return on plan assets Defined Benefit Plan, Interest Cost Interest cost Defined Benefit Plan, Service Cost Service Cost Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax Recognition of net loss Defined Benefit Plan, Contributions by Employer Contributions make by company Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Pension expense Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Option share not included in the computation of diluted earnings per share Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments Defined Benefit Pension Plans (Textual) [Abstract] Defined Benefit Pension Plans (Textual) [Abstract] Defined benefit pension plans. Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Change in fair value of cash flow hedge Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Less: comprehensive income attributable to the noncontrolling interest Schedule of Changes in Fair Value of Plan Assets [Table Text Block] Pension Expenses Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Stock Options [Member] Stock Options [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Earnings Per Share (Textual) [Abstract] Earnings Per Share (Textual) [Abstract] Earnings per share. Inventory, Finished Goods, Net of Reserves Inventory, Work in Process, Net of Reserves Inventory, Raw Materials, Net of Reserves Defined Benefit Plan, Expected Future Benefit Payments, Remainder of Fiscal Year Company expect to make contributions AmendmentDescription