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Income Taxes (Details Textual) - USD ($) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Dec. 28, 2024 | Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022 | Jan. 01, 2022
Income Tax Disclosure [Line Items] |  |  |  |  |
Net operating losses | $ 6.2 | $ 6.2 | $ 6.2 |  |
Investment tax credits |  | 0.3 |  |  |
Unrecognized tax benefits | 5.4 | 5.4 | 6.1 | $ 7.9 | $ 9.0
Unrecognized tax benefits that would impact effective tax rate | 0.4 | $ 0.4 |  |  |
Federal returns currently under examination |  | The Company remains subject to income tax examinations in the U.S. and various state and foreign jurisdictions for tax years 2019-2024. The Company believes it has adequately reserved for income taxes that could result from any audit adjustments. Although the timing of the resolution and/or closure of audits is highly uncertain, it is reasonably possible that the balance of gross unrecognized tax benefits could significantly change in the next 12 months. |  |  |
Deferred tax assets valuation allowance | 2.3 | $ 2.3 | $ 3.0 |  |
Deferred tax assets capital losses | 1.0 | 1.0 |  |  |
Decrease in Valuation Allowance |  | 0.7 |  |  |
Federal [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Net operating loss carryforwards | $ 5.4 | $ 5.4 |  |  |
Operating loss carryforwards expiration year |  | 2027 |  |  |
Federal [Member] | Minimum [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Operating loss carryforwards expiration year |  | 2031 |  |  |
Federal [Member] | Maximum [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Operating loss carryforwards expiration year | 2032 |  |  |  |
Federal [Member] | California [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Operating loss carryforwards expiration year |  | 2027 |  |  |
Operating loss carryforward preacquisition tax year description |  | The federal and California NOLs were generated by Balboa Water Group during pre-acquisition tax years 2011-2019 and are subject to a 20-year carryforward period. |  |  |
Operating loss carryforward period |  | 20 years |  |  |
Operating loss carryforwards, limitations on use |  | IRC Section 382 limits the use of NOLs to the extent there has been an ownership change of more than 50 percent. |  |  |
Federal [Member] | California [Member] | Minimum [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Operating loss carryforwards ownership percentage change limit under IRC |  |  | 50.00% |  |
State [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Net operating loss carryforwards | $ 34.9 | $ 34.9 |  |  |
State [Member] | Minimum [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Operating loss carryforwards expiration year |  | 2025 |  |  |
State [Member] | Maximum [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Operating loss carryforwards expiration year |  | 2044 |  |  |
Foreign [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Net operating loss carryforwards | 16.7 | $ 16.7 |  |  |
Unutilized, Operating Loss Carry Forwards | 7.1 | 7.1 |  |  |
Deferred tax assets capital losses | 1.3 | 1.3 |  |  |
Indefinite-lived, Operating loss carryforwards | $ 7.1 | $ 7.1 |  |  |
Foreign [Member] | Minimum [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Operating loss carryforwards expiration year |  | 2027 |  |  |
Foreign [Member] | Maximum [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Operating loss carryforwards expiration year |  | 2044 |  |  |
Parent Company [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Third party export sales |  | $ 124.7 | $ 131.8 | $ 146.5 |

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