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Note 1 - Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
 12 Months Ended
Feb. 09, 2024
USD ($)
Dec. 27, 2025
USD ($)
shares
Dec. 28, 2024
USD ($)
shares
Dec. 30, 2023
USD ($)
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares   474,000 248,000 193,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense   $ 7,500 $ 5,400 $ 4,500
Depreciation   13,200 13,400 13,400
Capitalized Computer Software, Gross   7,000 9,300  
Capitalized Computer Software, Amortization   $ 2,836 2,836 2,800
Number of Operating Segments   3    
Number of Reportable Segments   1    
Revenue, Remaining Performance Obligation, Amount   $ 5,100 5,600  
Accounts Receivable, Credit Loss Expense (Reversal)   0    
Contract with Customer, Asset, after Allowance for Credit Loss   0    
Contract with Customer, Liability   15,300 8,600  
Deferred Profit   8,626 3,589  
Deferred Profit Long-term   3,700 4,300  
Amortization of Debt Issuance Costs   400   100
Realized Gain (Loss), Foreign Currency Transaction, before Tax   (800) (2,400) (5,200)
Accumulated Other Comprehensive Income (Loss), Net of Tax   (32,470) (51,155)  
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax   (19,400) 16,800  
Repayments of Long-Term Debt   $ 1,733 $ 31,324 $ 38,788
Secured Term Loan Facility [Member]        
Repayments of Long-Term Debt $ 29,300      
Computer Software, Intangible Asset [Member]        
Finite-Lived Intangible Asset, Useful Life (Year)   7 years    
Minimum [Member]        
Standard Product Warranty Term (Month)   12 months    
Maximum [Member]        
Standard Product Warranty Term (Month)   36 months    
Building [Member] | Minimum [Member]        
Property, Plant and Equipment, Useful Life (Year)   30 years    
Building [Member] | Maximum [Member]        
Property, Plant and Equipment, Useful Life (Year)   40 years    
Building Improvements [Member] | Minimum [Member]        
Property, Plant and Equipment, Useful Life (Year)   5 years    
Building Improvements [Member] | Maximum [Member]        
Property, Plant and Equipment, Useful Life (Year)   15 years    
Machinery, Equipment and Software [Member] | Minimum [Member]        
Property, Plant and Equipment, Useful Life (Year)   3 years    
Machinery, Equipment and Software [Member] | Maximum [Member]        
Property, Plant and Equipment, Useful Life (Year)   10 years