| Cover | 12 Months Ended |
| Sep. 30, 2024 | |
| Document Information [Line Items] | |
| Document Type | DEFC14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | MATTHEWS INTERNATIONAL CORPORATION |
| Entity Central Index Key | 0000063296 |
| Pay vs Performance Disclosure - USD ($) | 12 Months Ended | |||
| Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | |
| Pay vs Performance Disclosure | ||||
| Pay vs Performance Disclosure, Table | Pay Versus Performance (“PVP”) As required by Section 953(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act S-K, Value of Initial Fixed $100 Investment Based on: Fiscal Year Summary Compensation Table Total for PEO (1) Compensation Actually Paid to PEO (1)(2) Average Summary Compensation Table Total for non-PEO NEOs (1) Average Compensation Actually Paid to non- PEO NEOs (1)(2) Total Shareholder Return Peer Group Total Shareholder Returns (3) Net Income (Loss) ($ millions) Adjusted EPS (4) (a) (b) (c) (d) (e) (f) (g) (h) (i) 2024 $ 5,808,360 $ 469,433 $ 1,721,866 $ 526,321 $ 115.83 $ 177.85 $ (59.7 ) $ 2.17 2023 6,473,964 13,502,761 1,639,651 3,214,110 188.13 138.24 37.8 2.88 2022 6,050,371 1,750,908 2,487,573 1,496,085 105.71 113.15 (99.8 ) 2.88 2021 6,732,304 11,435,108 1,892,820 2,961,890 159.12 137.26 2.9 3.28 (1) Mr. Bartolacci served as our principal executive officer (“PEO”) for the full fiscal year in each of 2024, 2023, 2022, and 2021. Our non-PEO (2) The following amounts were deducted from / added to the Summary Compensation Table (“SCT”) total compensation in accordance with the SEC-mandated non-PEO PEO SCT Total to CAP Reconciliation Fiscal Year 2024 2023 2022 2021 SCT Total $ 5,808,360 $ 6,473,964 $ 6,050,371 $ 6,732,304 - Change in Actuarial Present Value of Pension Plans Reported in Fiscal Year (75,404 ) (76,768 ) — (284,123 ) + Service Cost of Pension in Fiscal Year — — — 36,141 + Prior Service Cost of Pension in Fiscal Year — — — (577,796 ) - Grant Date Fair Value of Stock Awards Granted in Fiscal Year (4,052,150 ) (4,152,750 ) (3,819,500 ) (3,639,530 ) ± Fair Value at Fiscal Year-End 2,499,700 5,836,500 2,577,150 7,050,742 ± Change in Fair Value of Outstanding and Unvested Stock Awards Granted in Prior Fiscal Years (3,927,500 ) 4,667,475 (3,679,588 ) 1,703,786 ± Fair Value at Vesting of Stock Awards Granted in Fiscal Year That Vested During Fiscal Year — — — — ± Change in Fair Value as of Vesting Date of Stock Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year (148,373 ) 370,057 282,746 107,662 Fiscal Year 2024 2023 2022 2021 - Fair Value as of Prior Fiscal Year-End — — — — + Dividends or Other Earnings Paid on Stock Awards in the Fiscal Year Prior to the Vesting Date that are not otherwise included in the Total Compensation for the Fiscal Year 364,800 384,283 339,729 305,922 Compensation Actually Paid $ 469,433 $ 13,502,761 $ 1,750,908 $ 11,435,108 Non-PEO Fiscal Year 2024 2023 2022 2021 Average SCT Total $ 1,721,866 $ 1,639,651 $ 2,487,573 $ 1,892,820 - Change in Actuarial Present Value of Pension Plans Reported in Fiscal Year (22,690 ) (22,356 ) — (76,313 ) + Service Cost of Pension in Fiscal Year — — — 76,083 + Prior Service Cost of Pension in Fiscal Year — — — (125,590 ) - Grant Date Fair Value of Stock Awards Granted in Fiscal Year (835,756 ) (688,665 ) (1,610,875 ) (797,742 ) ± Fair Value at Fiscal Year-End 515,563 967,886 1,179,746 1,545,439 ± Change in Fair Value of Outstanding and Unvested Stock Awards Granted in Prior Fiscal Years (903,325 ) 1,155,840 (704,385 ) 365,060 ± Fair Value at Vesting of Stock Awards Granted in Fiscal Year That Vested During Fiscal Year — — — — ± Change in Fair Value as of Vesting Date of Stock Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year (30,277 ) 76,351 52,003 17,226 - Fair Value as of Prior Fiscal Year-End — — — — + Dividends or Other Earnings Paid on Stock Awards in the Fiscal Year Prior to the Vesting Date that are not otherwise included in the Total Compensation for the Fiscal Year 80,940 85,403 92,023 64,907 Compensation Actually Paid $ 526,321 $ 3,214,110 $ 1,496,085 $ 2,961,890 (3) The Peer Group for which Total Shareholder Return is provided in column (g) is our compensation benchmarking peer group, comprised of the following companies: Company FY2024 FY2023 FY2022 FY2021 Altra Industrial Motion Corp. Y Barnes Group Inc. Y Y Y Y Columbus McKinnon Corporation Y Y Deluxe Corporation Y Y Y Y EnPro Industries, Inc. Y Y Y Y Graco Inc. Y Y Y Y Hillenbrand, Inc. Y Y Y Y ICF International, Inc. Y Y Y Y Company FY2024 FY2023 FY2022 FY2021 InnerWorkings, Inc. Y John Wiley & Sons, Inc. Y Y Y Y Kaman Corporation Y Y Y Mativ Holdings, Inc. Y Y Y Y MDC Partners Inc. Y Meredith Corporation Y Minerals Technologies Inc. Y Y Y Y Moog Inc. Y Y Y Y MSA Safety Incorporated Y Y Y Y Service Corporation International Y Y Y Y Stagwell Inc. Y Y Y Standex International Corporation Y Y Y Y Teledyne Technologies Incorporated Y Y TriMas Corporation Y Y Y Y Viad Corp Y Woodward, Inc. Y Y Y Y (4) Adjusted earnings per share (“Adjusted EPS”) is a Non-GAAP non-cash), non-service tax-related non-cash), non-service non-cash), write-downs, non-service non-service tax-related | |||
| Company Selected Measure Name | Adjusted earnings per share (“Adjusted EPS”) | |||
| Named Executive Officers, Footnote | (1) Mr. Bartolacci served as our principal executive officer (“PEO”) for the full fiscal year in each of 2024, 2023, 2022, and 2021. Our non-PEO | |||
| Peer Group Issuers, Footnote | (3) The Peer Group for which Total Shareholder Return is provided in column (g) is our compensation benchmarking peer group, comprised of the following companies: Company FY2024 FY2023 FY2022 FY2021 Altra Industrial Motion Corp. Y Barnes Group Inc. Y Y Y Y Columbus McKinnon Corporation Y Y Deluxe Corporation Y Y Y Y EnPro Industries, Inc. Y Y Y Y Graco Inc. Y Y Y Y Hillenbrand, Inc. Y Y Y Y ICF International, Inc. Y Y Y Y Company FY2024 FY2023 FY2022 FY2021 InnerWorkings, Inc. Y John Wiley & Sons, Inc. Y Y Y Y Kaman Corporation Y Y Y Mativ Holdings, Inc. Y Y Y Y MDC Partners Inc. Y Meredith Corporation Y Minerals Technologies Inc. Y Y Y Y Moog Inc. Y Y Y Y MSA Safety Incorporated Y Y Y Y Service Corporation International Y Y Y Y Stagwell Inc. Y Y Y Standex International Corporation Y Y Y Y Teledyne Technologies Incorporated Y Y TriMas Corporation Y Y Y Y Viad Corp Y Woodward, Inc. Y Y Y Y | |||
| PEO Total Compensation Amount | $ 5,808,360 | $ 6,473,964 | $ 6,050,371 | $ 6,732,304 |
| PEO Actually Paid Compensation Amount | $ 469,433 | 13,502,761 | 1,750,908 | 11,435,108 |
| Adjustment To PEO Compensation, Footnote | (2) The following amounts were deducted from / added to the Summary Compensation Table (“SCT”) total compensation in accordance with the SEC-mandated non-PEO PEO SCT Total to CAP Reconciliation Fiscal Year 2024 2023 2022 2021 SCT Total $ 5,808,360 $ 6,473,964 $ 6,050,371 $ 6,732,304 - Change in Actuarial Present Value of Pension Plans Reported in Fiscal Year (75,404 ) (76,768 ) — (284,123 ) + Service Cost of Pension in Fiscal Year — — — 36,141 + Prior Service Cost of Pension in Fiscal Year — — — (577,796 ) - Grant Date Fair Value of Stock Awards Granted in Fiscal Year (4,052,150 ) (4,152,750 ) (3,819,500 ) (3,639,530 ) ± Fair Value at Fiscal Year-End 2,499,700 5,836,500 2,577,150 7,050,742 ± Change in Fair Value of Outstanding and Unvested Stock Awards Granted in Prior Fiscal Years (3,927,500 ) 4,667,475 (3,679,588 ) 1,703,786 ± Fair Value at Vesting of Stock Awards Granted in Fiscal Year That Vested During Fiscal Year — — — — ± Change in Fair Value as of Vesting Date of Stock Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year (148,373 ) 370,057 282,746 107,662 Fiscal Year 2024 2023 2022 2021 - Fair Value as of Prior Fiscal Year-End — — — — + Dividends or Other Earnings Paid on Stock Awards in the Fiscal Year Prior to the Vesting Date that are not otherwise included in the Total Compensation for the Fiscal Year 364,800 384,283 339,729 305,922 Compensation Actually Paid $ 469,433 $ 13,502,761 $ 1,750,908 $ 11,435,108 | |||
| Non-PEO NEO Average Total Compensation Amount | $ 1,721,866 | 1,639,651 | 2,487,573 | 1,892,820 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 526,321 | 3,214,110 | 1,496,085 | 2,961,890 |
| Adjustment to Non-PEO NEO Compensation Footnote | (2) The following amounts were deducted from / added to the Summary Compensation Table (“SCT”) total compensation in accordance with the SEC-mandated non-PEO Non-PEO Fiscal Year 2024 2023 2022 2021 Average SCT Total $ 1,721,866 $ 1,639,651 $ 2,487,573 $ 1,892,820 - Change in Actuarial Present Value of Pension Plans Reported in Fiscal Year (22,690 ) (22,356 ) — (76,313 ) + Service Cost of Pension in Fiscal Year — — — 76,083 + Prior Service Cost of Pension in Fiscal Year — — — (125,590 ) - Grant Date Fair Value of Stock Awards Granted in Fiscal Year (835,756 ) (688,665 ) (1,610,875 ) (797,742 ) ± Fair Value at Fiscal Year-End 515,563 967,886 1,179,746 1,545,439 ± Change in Fair Value of Outstanding and Unvested Stock Awards Granted in Prior Fiscal Years (903,325 ) 1,155,840 (704,385 ) 365,060 ± Fair Value at Vesting of Stock Awards Granted in Fiscal Year That Vested During Fiscal Year — — — — ± Change in Fair Value as of Vesting Date of Stock Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year (30,277 ) 76,351 52,003 17,226 - Fair Value as of Prior Fiscal Year-End — — — — + Dividends or Other Earnings Paid on Stock Awards in the Fiscal Year Prior to the Vesting Date that are not otherwise included in the Total Compensation for the Fiscal Year 80,940 85,403 92,023 64,907 Compensation Actually Paid $ 526,321 $ 3,214,110 $ 1,496,085 $ 2,961,890 | |||
| Compensation Actually Paid vs. Total Shareholder Return | ||||
| Compensation Actually Paid vs. Net Income | ||||
| Compensation Actually Paid vs. Company Selected Measure | ||||
| Total Shareholder Return Vs Peer Group | ||||
| Tabular List, Table | Most Important Performance Measures • Adjusted Net Income • Adjusted EBITDA • Economic Value Added • Adjusted Operating Cash Flow • Adjusted EPS • Return on Invested Capital | |||
| Total Shareholder Return Amount | $ 115.83 | 188.13 | 105.71 | 159.12 |
| Peer Group Total Shareholder Return Amount | 177.85 | 138.24 | 113.15 | 137.26 |
| Net Income (Loss) | $ (59,700,000) | $ 37,800,000 | $ (99,800,000) | $ 2,900,000 |
| Company Selected Measure Amount | 2.17 | 2.88 | 2.88 | 3.28 |
| PEO Name | Mr. Bartolacci | |||
| Measure:: 1 | ||||
| Pay vs Performance Disclosure | ||||
| Name | Adjusted Net Income | |||
| Measure:: 2 | ||||
| Pay vs Performance Disclosure | ||||
| Name | Adjusted EBITDA | |||
| Measure:: 3 | ||||
| Pay vs Performance Disclosure | ||||
| Name | Economic Value Added | |||
| Measure:: 4 | ||||
| Pay vs Performance Disclosure | ||||
| Name | Adjusted Operating Cash Flow | |||
| Measure:: 5 | ||||
| Pay vs Performance Disclosure | ||||
| Name | Adjusted EPS | |||
| Non-GAAP Measure Description | (4) Adjusted earnings per share (“Adjusted EPS”) is a Non-GAAP non-cash), non-service tax-related non-cash), non-service non-cash), write-downs, non-service non-service tax-related | |||
| Measure:: 6 | ||||
| Pay vs Performance Disclosure | ||||
| Name | Return on Invested Capital | |||
| PEO | Change in Pension Value [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | $ (75,404) | $ (76,768) | $ 0 | $ (284,123) |
| PEO | Pension Adjustment, Service Cost [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 0 | 0 | 0 | 36,141 |
| PEO | Pension Adjustment, Prior Service Cost [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 0 | 0 | 0 | (577,796) |
| PEO | Stock Awards Adjustment, Granted In Current Year [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (4,052,150) | (4,152,750) | (3,819,500) | (3,639,530) |
| PEO | Stock Awards Granted In Current Year, Unvested [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 2,499,700 | 5,836,500 | 2,577,150 | 7,050,742 |
| PEO | Stock Awards Granted In Prior Years, Unvested [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (3,927,500) | 4,667,475 | (3,679,588) | 1,703,786 |
| PEO | Stock Awards Granted In Current Year, Vested [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 0 | 0 | 0 | 0 |
| PEO | Stock Awards Granted In Prior Years, Vested [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (148,373) | 370,057 | 282,746 | 107,662 |
| PEO | Stock Awards That Failed To Meet Vesting Conditions [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 0 | 0 | 0 | 0 |
| PEO | Stock Awards, Value of Dividends and Other Earnings Paid Adjustment [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 364,800 | 384,283 | 339,729 | 305,922 |
| Non-PEO NEO | Change in Pension Value [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (22,690) | (22,356) | 0 | (76,313) |
| Non-PEO NEO | Pension Adjustment, Service Cost [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 0 | 0 | 0 | 76,083 |
| Non-PEO NEO | Pension Adjustment, Prior Service Cost [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 0 | 0 | 0 | (125,590) |
| Non-PEO NEO | Stock Awards Adjustment, Granted In Current Year [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (835,756) | (688,665) | (1,610,875) | (797,742) |
| Non-PEO NEO | Stock Awards Granted In Current Year, Unvested [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 515,563 | 967,886 | 1,179,746 | 1,545,439 |
| Non-PEO NEO | Stock Awards Granted In Prior Years, Unvested [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (903,325) | 1,155,840 | (704,385) | 365,060 |
| Non-PEO NEO | Stock Awards Granted In Current Year, Vested [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 0 | 0 | 0 | 0 |
| Non-PEO NEO | Stock Awards Granted In Prior Years, Vested [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (30,277) | 76,351 | 52,003 | 17,226 |
| Non-PEO NEO | Stock Awards That Failed To Meet Vesting Conditions [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 0 | 0 | 0 | 0 |
| Non-PEO NEO | Stock Awards, Value of Dividends and Other Earnings Paid Adjustment [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | $ 80,940 | $ 85,403 | $ 92,023 | $ 64,907 |
| Award Timing Disclosure | 12 Months Ended |
| Sep. 30, 2024 | |
| Award Timing Disclosures [Line Items] | |
| Award Timing Predetermined | false |
| Award Timing MNPI Considered | false |
| Insider Trading Policies and Procedures | 12 Months Ended |
| Sep. 30, 2024 | |
| Insider Trading Policies and Procedures [Line Items] | |
| Insider Trading Policies and Procedures Adopted | true |
