Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes (Details Textual)

v3.25.4
Income Taxes (Details Textual) - USD ($)
$ in Millions
 12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
Jan. 01, 2023
Income Tax Disclosure [Line Items]        
Corporate tax rate 21.00%      
Undistributed earnings $ 52.6      
Unrecognized tax benefits 5.8 $ 5.4 $ 6.1 $ 7.9
Unrecognized tax benefits that would impact effective tax rate $ 0.6      
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 2020-2025. The Company believes it has adequately reserved for income taxes that could result from any audit adjustments.      
Deferred tax assets valuation allowance $ 3.2 $ 2.3    
Deferred tax assets capital losses 0.6      
Decrease in Valuation Allowance $ 0.9      
Minimum [Member]        
Income Tax Disclosure [Line Items]        
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration] Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent      
Federal [Member]        
Income Tax Disclosure [Line Items]        
Net operating loss carryforwards $ 3.5      
Unutilized, Operating Loss Carry Forwards $ 11.5      
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 $ 38.1      
State [Member] | Minimum [Member]        
Income Tax Disclosure [Line Items]        
Operating loss carryforwards expiration year 2026      
State [Member] | Maximum [Member]        
Income Tax Disclosure [Line Items]        
Operating loss carryforwards expiration year 2045      
Foreign [Member]        
Income Tax Disclosure [Line Items]        
Net operating loss carryforwards $ 12.0      
Deferred tax assets capital losses 2.6      
Indefinite-lived, Operating loss carryforwards $ 7.3      
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 2045