3.26.1 html 389 313 1 true 67 0 false 5 false false R1.htm 000 - Document - Document And Entity Information Sheet http://www.twindisc.com/20260327/role/statement-document-and-entity-information Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) Sheet http://www.twindisc.com/20260327/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited Condensed Consolidated Balance Sheets (Current Period Unaudited) Statements 2 false false R3.htm 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) Sheet http://www.twindisc.com/20260327/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited-parentheticals Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) Statements 3 false false R4.htm 003 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) Sheet http://www.twindisc.com/20260327/role/statement-condensed-consolidated-statements-of-operations-and-comprehensive-income-loss-unaudited Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) Statements 4 false false R5.htm 004 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) (Parentheticals) Sheet http://www.twindisc.com/20260327/role/statement-condensed-consolidated-statements-of-operations-and-comprehensive-income-loss-unaudited-parentheticals Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) (Parentheticals) Statements 5 false false R6.htm 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.twindisc.com/20260327/role/statement-condensed-consolidated-statements-of-cash-flows-unaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 6 false false R7.htm 006 - Disclosure - Note A - Basis of Presentation and Other Information Sheet http://www.twindisc.com/20260327/role/statement-note-a-basis-of-presentation-and-other-information Note A - Basis of Presentation and Other Information Notes 7 false false R8.htm 007 - Disclosure - Note B - Contract Assets and Contract Liabilitites Sheet http://www.twindisc.com/20260327/role/statement-note-b-contract-assets-and-contract-liabilitites Note B - Contract Assets and Contract Liabilitites Notes 8 false false R9.htm 008 - Disclosure - Note C - Inventories, Net Sheet http://www.twindisc.com/20260327/role/statement-note-c-inventories-net Note C - Inventories, Net Notes 9 false false R10.htm 009 - Disclosure - Note D - Warranty Sheet http://www.twindisc.com/20260327/role/statement-note-d-warranty Note D - Warranty Notes 10 false false R11.htm 010 - Disclosure - Note E - Contingencies Sheet http://www.twindisc.com/20260327/role/statement-note-e-contingencies Note E - Contingencies Notes 11 false false R12.htm 011 - Disclosure - Note F - Business Segments Sheet http://www.twindisc.com/20260327/role/statement-note-f-business-segments Note F - Business Segments Notes 12 false false R13.htm 012 - Disclosure - Note G - Stock-Based Compensation Sheet http://www.twindisc.com/20260327/role/statement-note-g-stockbased-compensation Note G - Stock-Based Compensation Notes 13 false false R14.htm 013 - Disclosure - Note H - Pension and Other Postretirement Benefit Plans Sheet http://www.twindisc.com/20260327/role/statement-note-h-pension-and-other-postretirement-benefit-plans Note H - Pension and Other Postretirement Benefit Plans Notes 14 false false R15.htm 014 - Disclosure - Note I - Income Taxes Sheet http://www.twindisc.com/20260327/role/statement-note-i-income-taxes Note I - Income Taxes Notes 15 false false R16.htm 015 - Disclosure - Note J - Goodwill and Intangible Assets, Net Sheet http://www.twindisc.com/20260327/role/statement-note-j-goodwill-and-intangible-assets-net Note J - Goodwill and Intangible Assets, Net Notes 16 false false R17.htm 016 - Disclosure - Note K - Long-term Debt Sheet http://www.twindisc.com/20260327/role/statement-note-k-longterm-debt Note K - Long-term Debt Notes 17 false false R18.htm 017 - Disclosure - Note L - Shareholders' Equity Sheet http://www.twindisc.com/20260327/role/statement-note-l-shareholders-equity Note L - Shareholders' Equity Notes 18 false false R19.htm 018 - Disclosure - Note M - Earnings Per Share Sheet http://www.twindisc.com/20260327/role/statement-note-m-earnings-per-share Note M - Earnings Per Share Notes 19 false false R20.htm 019 - Disclosure - Note N - Lease Liabilities Sheet http://www.twindisc.com/20260327/role/statement-note-n-lease-liabilities Note N - Lease Liabilities Notes 20 false false R21.htm 020 - Disclosure - Note O - Derivative Financial Instruments Sheet http://www.twindisc.com/20260327/role/statement-note-o-derivative-financial-instruments Note O - Derivative Financial Instruments Notes 21 false false R22.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 22 false false R23.htm 995467 - Disclosure - Note B - Contract Assets and Contract Liabilitites (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-b-contract-assets-and-contract-liabilitites-tables Note B - Contract Assets and Contract Liabilitites (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-b-contract-assets-and-contract-liabilitites 23 false false R24.htm 995468 - Disclosure - Note C - Inventories, Net (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-c-inventories-net-tables Note C - Inventories, Net (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-c-inventories-net 24 false false R25.htm 995469 - Disclosure - Note D - Warranty (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-d-warranty-tables Note D - Warranty (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-d-warranty 25 false false R26.htm 995470 - Disclosure - Note F - Business Segments (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-f-business-segments-tables Note F - Business Segments (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-f-business-segments 26 false false R27.htm 995471 - Disclosure - Note H - Pension and Other Postretirement Benefit Plans (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-h-pension-and-other-postretirement-benefit-plans-tables Note H - Pension and Other Postretirement Benefit Plans (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-h-pension-and-other-postretirement-benefit-plans 27 false false R28.htm 995472 - Disclosure - Note I - Income Taxes (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-i-income-taxes-tables Note I - Income Taxes (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-i-income-taxes 28 false false R29.htm 995473 - Disclosure - Note J - Goodwill and Intangible Assets, Net (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-j-goodwill-and-intangible-assets-net-tables Note J - Goodwill and Intangible Assets, Net (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-j-goodwill-and-intangible-assets-net 29 false false R30.htm 995474 - Disclosure - Note K - Long-term Debt (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-k-longterm-debt-tables Note K - Long-term Debt (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-k-longterm-debt 30 false false R31.htm 995475 - Disclosure - Note L - Shareholders' Equity (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-l-shareholders-equity-tables Note L - Shareholders' Equity (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-l-shareholders-equity 31 false false R32.htm 995476 - Disclosure - Note M - Earnings Per Share (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-m-earnings-per-share-tables Note M - Earnings Per Share (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-m-earnings-per-share 32 false false R33.htm 995477 - Disclosure - Note N - Lease Liabilities (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-n-lease-liabilities-tables Note N - Lease Liabilities (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-n-lease-liabilities 33 false false R34.htm 995478 - Disclosure - Note O - Derivative Financial Instruments (Tables) Sheet http://www.twindisc.com/20260327/role/statement-note-o-derivative-financial-instruments-tables Note O - Derivative Financial Instruments (Tables) Tables http://www.twindisc.com/20260327/role/statement-note-o-derivative-financial-instruments 34 false false R35.htm 995479 - Disclosure - Note A - Basis of Presentation and Other Information (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-a-basis-of-presentation-and-other-information-details-textual Note A - Basis of Presentation and Other Information (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-a-basis-of-presentation-and-other-information 35 false false R36.htm 995480 - Disclosure - Note B - Contract Assets and Contract Liabilitites - Schedule of Contract Assets and Contract Liabilities (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-b-contract-assets-and-contract-liabilitites-schedule-of-contract-assets-and-contract-liabilities-details Note B - Contract Assets and Contract Liabilitites - Schedule of Contract Assets and Contract Liabilities (Details) Details 36 false false R37.htm 995481 - Disclosure - Note C - Inventories, Net - Inventories (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-c-inventories-net-inventories-details Note C - Inventories, Net - Inventories (Details) Details 37 false false R38.htm 995482 - Disclosure - Note D - Warranty (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-d-warranty-details-textual Note D - Warranty (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-d-warranty-tables 38 false false R39.htm 995483 - Disclosure - Note D - Warranty - Warranty (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-d-warranty-warranty-details Note D - Warranty - Warranty (Details) Details 39 false false R40.htm 995484 - Disclosure - Note F - Business Segments (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-f-business-segments-details-textual Note F - Business Segments (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-f-business-segments-tables 40 false false R41.htm 995485 - Disclosure - Note F - Business Segments - Revenues by Segment (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-f-business-segments-revenues-by-segment-details Note F - Business Segments - Revenues by Segment (Details) Details 41 false false R42.htm 995486 - Disclosure - Note F - Business Segments - Net Sales by Product Group (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-f-business-segments-net-sales-by-product-group-details Note F - Business Segments - Net Sales by Product Group (Details) Details 42 false false R43.htm 995487 - Disclosure - Note G - Stock-Based Compensation (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-g-stockbased-compensation-details-textual Note G - Stock-Based Compensation (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-g-stockbased-compensation 43 false false R44.htm 995488 - Disclosure - Note H - Pension and Other Postretirement Benefit Plans (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-h-pension-and-other-postretirement-benefit-plans-details-textual Note H - Pension and Other Postretirement Benefit Plans (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-h-pension-and-other-postretirement-benefit-plans-tables 44 false false R45.htm 995489 - Disclosure - Note H - Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-h-pension-and-other-postretirement-benefit-plans-components-of-net-periodic-benefit-cost-details Note H - Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) Details 45 false false R46.htm 995490 - Disclosure - Note I - Income Taxes (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-i-income-taxes-details-textual Note I - Income Taxes (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-i-income-taxes-tables 46 false false R47.htm 995491 - Disclosure - Note I - Income Taxes - Reconciliation of Income Taxes (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-i-income-taxes-reconciliation-of-income-taxes-details Note I - Income Taxes - Reconciliation of Income Taxes (Details) Details 47 false false R48.htm 995492 - Disclosure - Note I - Income Taxes - Reconciliation of Income Taxes (Details) (Parentheticals) Sheet http://www.twindisc.com/20260327/role/statement-note-i-income-taxes-reconciliation-of-income-taxes-details-parentheticals Note I - Income Taxes - Reconciliation of Income Taxes (Details) (Parentheticals) Details 48 false false R49.htm 995493 - Disclosure - Note J - Goodwill and Intangible Assets, Net (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-j-goodwill-and-intangible-assets-net-details-textual Note J - Goodwill and Intangible Assets, Net (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-j-goodwill-and-intangible-assets-net-tables 49 false false R50.htm 995494 - Disclosure - Note J - Goodwill and Intangible Assets, Net - Schedule of Goodwill (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-j-goodwill-and-intangible-assets-net-schedule-of-goodwill-details Note J - Goodwill and Intangible Assets, Net - Schedule of Goodwill (Details) Details 50 false false R51.htm 995495 - Disclosure - Note J - Goodwill and Intangible Assets, Net - Intangible Assets (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-j-goodwill-and-intangible-assets-net-intangible-assets-details Note J - Goodwill and Intangible Assets, Net - Intangible Assets (Details) Details 51 false false R52.htm 995496 - Disclosure - Note J - Goodwill and Intangible Assets, Net - Estimated Intangibles Amortization Expense (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-j-goodwill-and-intangible-assets-net-estimated-intangibles-amortization-expense-details Note J - Goodwill and Intangible Assets, Net - Estimated Intangibles Amortization Expense (Details) Details 52 false false R53.htm 995497 - Disclosure - Note K - Long-term Debt (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-k-longterm-debt-details-textual Note K - Long-term Debt (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-k-longterm-debt-tables 53 false false R54.htm 995498 - Disclosure - Note K - Long-term Debt - Schedule of Long-term Debt (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-k-longterm-debt-schedule-of-longterm-debt-details Note K - Long-term Debt - Schedule of Long-term Debt (Details) Details 54 false false R55.htm 995499 - Disclosure - Note L - Shareholders' Equity (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-l-shareholders-equity-details-textual Note L - Shareholders' Equity (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-l-shareholders-equity-tables 55 false false R56.htm 995500 - Disclosure - Note L - Shareholders' Equity - Shareholders' Equity Reconciliation (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-l-shareholders-equity-shareholders-equity-reconciliation-details Note L - Shareholders' Equity - Shareholders' Equity Reconciliation (Details) Details 56 false false R57.htm 995501 - Disclosure - Note L - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-l-shareholders-equity-accumulated-other-comprehensive-income-loss-net-of-tax-details Note L - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) Details 57 false false R58.htm 995502 - Disclosure - Note L - Shareholders' Equity - Reconciliation for the Reclassifications Out of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-l-shareholders-equity-reconciliation-for-the-reclassifications-out-of-accumulated-other-comprehensive-income-loss-net-of-tax-details Note L - Shareholders' Equity - Reconciliation for the Reclassifications Out of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) Details 58 false false R59.htm 995503 - Disclosure - Note M - Earnings Per Share (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-m-earnings-per-share-details-textual Note M - Earnings Per Share (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-m-earnings-per-share-tables 59 false false R60.htm 995504 - Disclosure - Note M - Earnings Per Share - Components of Basic and Diluted Earnings Per Share (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-m-earnings-per-share-components-of-basic-and-diluted-earnings-per-share-details Note M - Earnings Per Share - Components of Basic and Diluted Earnings Per Share (Details) Details 60 false false R61.htm 995505 - Disclosure - Note N - Lease Liabilities - Consolidated Balance Sheet (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-n-lease-liabilities-consolidated-balance-sheet-details Note N - Lease Liabilities - Consolidated Balance Sheet (Details) Details 61 false false R62.htm 995506 - Disclosure - Note N - Lease Liabilities - Components of Lease Expense (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-n-lease-liabilities-components-of-lease-expense-details Note N - Lease Liabilities - Components of Lease Expense (Details) Details 62 false false R63.htm 995507 - Disclosure - Note N - Lease Liabilities - Other Information Related to Leases (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-n-lease-liabilities-other-information-related-to-leases-details Note N - Lease Liabilities - Other Information Related to Leases (Details) Details 63 false false R64.htm 995508 - Disclosure - Note N - Lease Liabilities - Future Minimum Rental Commitments Under Noncancelable Leases (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-n-lease-liabilities-future-minimum-rental-commitments-under-noncancelable-leases-details Note N - Lease Liabilities - Future Minimum Rental Commitments Under Noncancelable Leases (Details) Details 64 false false R65.htm 995509 - Disclosure - Note O - Derivative Financial Instruments (Details Textual) Sheet http://www.twindisc.com/20260327/role/statement-note-o-derivative-financial-instruments-details-textual Note O - Derivative Financial Instruments (Details Textual) Details http://www.twindisc.com/20260327/role/statement-note-o-derivative-financial-instruments-tables 65 false false R66.htm 995510 - Disclosure - Note O - Derivative Financial Instruments - Fair Value of Derivative Instruments (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-o-derivative-financial-instruments-fair-value-of-derivative-instruments-details Note O - Derivative Financial Instruments - Fair Value of Derivative Instruments (Details) Details 66 false false R67.htm 995511 - Disclosure - Note O - Derivative Financial Instruments - Impact of the Company's Derivative Instruments on the Consolidated Statement of Operations and Comprehensive Income (Details) Sheet http://www.twindisc.com/20260327/role/statement-note-o-derivative-financial-instruments-impact-of-the-companys-derivative-instruments-on-the-consolidated-statement-of-operations-and-comprehensive-income-details Note O - Derivative Financial Instruments - Impact of the Company's Derivative Instruments on the Consolidated Statement of Operations and Comprehensive Income (Details) Details 67 false false All Reports Book All Reports twin-20260327.xsd twin-20260327_cal.xml twin-20260327_def.xml twin-20260327_lab.xml twin-20260327_pre.xml twin20260327_10q.htm http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 true true