v3.26.1
Capital stock (Details)
$ in Thousands
 12 Months Ended
Jun. 28, 2026
USD ($)
vote
shares
Jun. 29, 2025
USD ($)
shares
Jun. 30, 2024
USD ($)
shares
Feb. 03, 2022
USD ($)
Apr. 22, 2021
USD ($)
Class of Stock [Line Items]          
Common stock conversion ratio 1        
Share repurchase program amount authorized | $ $ 10,200     $ 40,000 $ 40,000
Value of shares repurchased | $ 1,164 $ 10,226 $ 10,456    
Treasury Stock          
Class of Stock [Line Items]          
Value of shares repurchased | $ $ 1,164 $ 10,175 $ 10,394    
Shares repurchased (in shares) | shares 289,720 1,274,559 1,079,415    
Class A          
Class of Stock [Line Items]          
Number of votes per share | vote 1        
Conversion of Class B stock into Class A stock (in shares) | shares 0 0 0    
Class B          
Class of Stock [Line Items]          
Number of votes per share | vote 10        
Conversion of Class B stock into Class A stock (in shares) | shares 0 0 0