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Note 1 - General (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Mar. 29, 2025
Mar. 30, 2024
Mar. 25, 2023
Accounts Receivable, after Allowance for Credit Loss     $ 44,700
Inventory Valuation Reserves $ 200 $ 300  
Goodwill and Intangible Asset Impairment 0 0  
Finite-Lived Intangible Asset, Expected Amortization, Year One 10,600    
Finite-Lived Intangible Asset, Expected Amortization, Year Two 8,000    
Finite-Lived Intangible Asset, Expected Amortization, Year Three 6,700    
Finite-Lived Intangible Asset, Expected Amortization, Year Four 5,700    
Finite-Lived Intangible Asset, Expected Amortization, Year Five 4,700    
Unamortized Catalog Costs 0 0  
Investments 100 100  
Share-Based Payment Arrangement, Expense 3,200 4,500 3,400
Vendor Rebates 900 600 600
Cooperative Advertising Amount 900 1,100 1,000
Advertising Expense 2,000 1,600 1,200
Cost of Product and Service Sold 188,968 175,675 162,214
Realized Gain (Loss), Foreign Currency Transaction, before Tax 100 100 700
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax 200 100 $ 400
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 1,500 900  
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax 100 100  
AOCI, Debt Securities, Available-for-Sale, Adjustment, after Tax $ 100 $ 100  
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.5 $ 0.5  
Dilutive Securities, Effect Per Share on Earnings (in dollars per share) $ 0.01 $ 0.03 $ 0.02
Foreign Exchange Contract [Member]      
Derivative Asset, Notional Amount $ 1,100    
Cargo and Freight [Member]      
Cost of Product and Service Sold 3,400 $ 3,200 $ 3,100
Shipping and Handling [Member]      
Cost of Product and Service Sold $ 600 $ 500 $ 700
Maximum [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 15 years