v3.26.3
Summary of Accounting Policies - Additional Information (Details)
$ in Thousands
 3 Months Ended
Aug. 29, 2026
USD ($)
Vote
shares
Aug. 30, 2025
USD ($)
May 30, 2026
USD ($)
Summary Of Significant Accounting Policies [Line Items]      
Finished goods $ 85,900   $ 86,500
Raw material 12,300   11,800
Work in progress 5,100   4,700
Inventory valuation reserves 6,400   6,300
Warranty reserves $ 600   $ 700
Limit of cash dividends Class B common stock (percent) 90.00%    
Net sales $ 64,923 $ 54,607  
Revenue recognized upon satisfaction of performace obligations 1,200 1,600  
Bill-and-Hold Arrangement      
Summary Of Significant Accounting Policies [Line Items]      
Net sales $ 0 $ 1,100  
Common Stock      
Summary Of Significant Accounting Policies [Line Items]      
Common stock shares, authorized | shares 22,000,000    
Common Class B      
Summary Of Significant Accounting Policies [Line Items]      
Number of votes per share | Vote 10    
Common stock shares, authorized | shares 3,000,000    
Maximum      
Summary Of Significant Accounting Policies [Line Items]      
Percentage of services revenue 5.00%