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CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Capital in Excess of Par Value
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Treasury Stock
Balance, beginning of period (in shares) at Oct. 02, 2020   10,084,799        
Balance, beginning of period at Oct. 02, 2020   $ 504 $ 78,668 $ 296,431 $ 4,717 $ (2,220)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income $ 83,381     83,381    
Dividends declared       (9,311)    
Award of non-vested shares (in shares)   48,683        
Award of non-vested shares   $ 5 (4)      
Stock-based compensation     4,160      
Currency translation adjustment 283       283  
Unrealized gain (loss) on available-for-sale securities, net of tax 0          
Change in pension plans, net of tax         2,386  
Non-vested stock forfeitures (in shares)   (621)        
Non-vested stock forfeitures     75     (75)
Purchase of treasury stock at cost (in shares)   (5,661)        
Purchase of treasury stock at cost           (495)
Balance, end of period (in shares) at Oct. 01, 2021   10,127,200        
Balance, end of period at Oct. 01, 2021   $ 509 82,899 370,501 7,386 (2,790)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 44,491     44,491    
Dividends declared       (12,171)    
Issuance of stock under employee stock purchase plan (in shares)   5,112        
Issuance of stock under employee stock purchase plan     332      
Award of non-vested shares (in shares)   66,868        
Award of non-vested shares   $ 3 (3)      
Stock-based compensation     4,129      
B to A conversion     (156)     156
Currency translation adjustment (6,815)       (6,815)  
Unrealized gain (loss) on available-for-sale securities, net of tax 0          
Change in pension plans, net of tax         49  
Non-vested stock forfeitures (in shares)   (2,040)        
Non-vested stock forfeitures     150     (150)
Purchase of treasury stock at cost (in shares)   (5,089)        
Purchase of treasury stock at cost           (506)
Balance, end of period (in shares) at Sep. 30, 2022   10,192,051        
Balance, end of period at Sep. 30, 2022 488,014 $ 512 87,351 402,821 620 (3,290)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 19,534     19,534    
Dividends declared       (12,781)    
Issuance of stock under employee stock purchase plan (in shares)   5,401        
Issuance of stock under employee stock purchase plan     266     460
Award of non-vested shares (in shares)   71,742        
Award of non-vested shares   $ 2 (2,586)     2,123
Stock-based compensation     2,446      
B to A conversion     (2)     2
Currency translation adjustment 2,790       2,790  
Unrealized gain (loss) on available-for-sale securities, net of tax 0       (121)  
Change in pension plans, net of tax         34  
Non-vested stock forfeitures (in shares)   (10,632)        
Non-vested stock forfeitures     759     (759)
Purchase of treasury stock at cost (in shares)   (7,613)        
Purchase of treasury stock at cost           (444)
Balance, end of period (in shares) at Sep. 29, 2023   10,250,949        
Balance, end of period at Sep. 29, 2023 $ 499,737 $ 514 $ 88,234 $ 409,574 $ 3,323 $ (1,908)