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Net Income per Share - Additional Information (Detail) - shares
3 Months Ended 9 Months Ended
Mar. 01, 2020
Mar. 01, 2019
Sep. 27, 2025
Sep. 28, 2024
Sep. 27, 2025
Sep. 28, 2024
Dec. 28, 2024
Earnings Per Share Note [Line Items]              
Antidilutive securities excluded from computation of earnings per share     180,461 135,343 179,618 129,101  
Stock option outstanding     209,590   209,590   209,794
Investment Share Program              
Earnings Per Share Note [Line Items]              
Vesting period         5 years    
Investment Share Program | Minimum              
Earnings Per Share Note [Line Items]              
Requirement tenure of employee for investment share program, purchase shares at discount         1 year    
Discount from current market value         20.00%    
Investment Share Program | Maximum              
Earnings Per Share Note [Line Items]              
Requirement tenure of employee for investment share program, purchase shares at discount         2 years    
Discount from current market value         40.00%    
Restricted Stock Awards              
Earnings Per Share Note [Line Items]              
Vesting period 4 years 4 years     4 years    
Performance Based Awards | Common Class A              
Earnings Per Share Note [Line Items]              
Antidilutive securities excluded from computation of earnings per share         6,930 10,843