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Pay vs Performance Disclosure - USD ($) | 4 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2023 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Pay vs Performance Disclosure |  |  |  |
Pay vs Performance Disclosure, Table |  |
Year |  | Summary Compensation Table Total for PEO (Brydon) ($)(1) |  | Compensa- tion Actually Paid to PEO (Brydon) ($)(2) |  | Summary Compensation Table Total for PEO (Sand) ($)(1) |  | Compensa- tion Actually Paid to PEO (Sand) ($)(2) |  | Average Summary Compensa- tion Table Total for Non-PEO NEOs ($)(1) |  | Average Compensa- tion Actually Paid to Non-PEO NEOs ($)(2) |  | Value of Initial Fixed $100 Investment Based on Total Shareholder Return ($)(3) |  | Net Income ($)
2025 |  | 652,153 |  | 669,423 |  | — |  | — |  | 511,813 |  | 527,543 |  | 117.37 |  | 29,161,000
2024 |  | 604,771 |  | 624,821 |  | — |  | — |  | 470,022 |  | 488,259 |  | 112.86 |  | 24,283,000
2023 |  | 491,285 |  | 487,491 |  | 285,172 |  | 279,104 |  | 400,892 |  | 397,443 |  | 100.17 |  | 27,118,000
Named Executive Officers, Footnote |  | Dean J. Brydon was appointed as Chief Executive Officer (principal executive officer ("PEO")) on February 1, 2023, succeeding Michael R. Sand. The compensation for Dean J. Brydon listed in the Summary Compensation Table for 2023 also includes $126,871 in compensation earned during the period (10/1/2022 - 1/31/2023) that he served as President and Chief Financial Officer. The compensation for Michael R. Sand listed in the Summary Compensation Table for 2023 also includes $20,460 for Board fees received after retiring as the Chief Executive Officer. The non-PEO named executive officers ("NEOs") for 2025, 2024 and 2023 are Jonathan A. Fischer and Matthew J. DeBord. |  |
PEO Total Compensation Amount |  | $ 652,153 |  |
PEO Actually Paid Compensation Amount |  | $ 669,423 |  |
Adjustment To PEO Compensation, Footnote |  | The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation S-K and do not reflect compensation actually earned, realized, or received by Timberland's NEOs. For 2025, these amounts reflect the Summary Compensation Table totals with certain adjustments, as follows:
Name |  | PEO ($) |  | Average of Non-PEO NEOs ($)
Summary Compensation Table Total |  | 652,153 |  |  | 511,813 |
Decr e ase f or a m o u nts re p orted u n der t h e St o ck Aw ards col u m n i n t he S u mm ary Compensation T a ble |  | (68,920) |  |  | (68,920) |
Increase for fair value at year-end of awards granted during year that remain unvested as of year-end |  | 66,560 |  |  | 66,560 |
Increase for change in fair value from prior period year-end to vesting date of award granted in prior years that vested during the year |  | 12,050 |  |  | 11,129 |
Increase for change in fair value at year-end of awards granted in prior years that remain unvested as of year-end |  | 7,580 |  |  | 6,961 |
Compensation Actually Paid ("CAP") |  | 669,423 |  |  | 527,543 |
Non-PEO NEO Average Total Compensation Amount |  | $ 511,813 | $ 470,022 | $ 400,892
Non-PEO NEO Average Compensation Actually Paid Amount |  | $ 527,543 | 488,259 | 397,443
Adjustment to Non-PEO NEO Compensation Footnote |  | The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation S-K and do not reflect compensation actually earned, realized, or received by Timberland's NEOs. For 2025, these amounts reflect the Summary Compensation Table totals with certain adjustments, as follows:
Name |  | PEO ($) |  | Average of Non-PEO NEOs ($)
Summary Compensation Table Total |  | 652,153 |  |  | 511,813 |
Decr e ase f or a m o u nts re p orted u n der t h e St o ck Aw ards col u m n i n t he S u mm ary Compensation T a ble |  | (68,920) |  |  | (68,920) |
Increase for fair value at year-end of awards granted during year that remain unvested as of year-end |  | 66,560 |  |  | 66,560 |
Increase for change in fair value from prior period year-end to vesting date of award granted in prior years that vested during the year |  | 12,050 |  |  | 11,129 |
Increase for change in fair value at year-end of awards granted in prior years that remain unvested as of year-end |  | 7,580 |  |  | 6,961 |
Compensation Actually Paid ("CAP") |  | 669,423 |  |  | 527,543 |
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |
Total Shareholder Return Amount |  | $ 117.37 | 112.86 | 100.17
Net Income (Loss) |  | $ 29,161,000 | 24,283,000 | 27,118,000
PEO Name |  | Dean J. Brydon |  |
Additional 402(v) Disclosure |  | Total Shareholder Return ("TSR") assumes $100 invested on September 30, 2023, with all dividends reinvested. The following charts illustrate the relationship between the compensation actually paid to our named executive officers, calculated in accordance with Item 402(v) of Regulation S-K, and Timberland's total shareholder returns on a cumulative basis, assuming an investment of $100 on September 30, 2023 and all dividends reinvested, and net income over the two most recently completed fiscal years. |  |
Dean J. Brydon [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
PEO Total Compensation Amount |  | $ 652,153 | 604,771 | 491,285
PEO Actually Paid Compensation Amount |  | 669,423 | $ 624,821 | 487,491
Compensation Earned, Prior Position | $ 126,871 |  |  |
Michael R. Sand [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
PEO Total Compensation Amount |  |  |  | 285,172
PEO Actually Paid Compensation Amount |  |  |  | 279,104
Compensation Earned, Board Fees Post Retirement |  |  |  | $ 20,460
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  | (68,920) |  |
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  | 66,560 |  |
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  | 7,580 |  |
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  | 12,050 |  |
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  | (68,920) |  |
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  | 66,560 |  |
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  | 6,961 |  |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  | $ 11,129 |  |

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