Net Income per Share - Additional Information (Detail) - shares
 3 Months Ended 6 Months Ended
Mar. 01, 2022
Mar. 01, 2020
Mar. 01, 2019
Jan. 01, 2019
Jun. 25, 2022
Jun. 26, 2021
Jun. 25, 2022
Jun. 26, 2021
Dec. 25, 2021
Earnings Per Share Note [Line Items]                  
Stock option outstanding         218,229   218,229   221,354
Common Class A                  
Earnings Per Share Note [Line Items]                  
Antidilutive securities excluded from computation of earnings per share         13,000 20,000 24,000 13,000  
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 5 years          
Performance Based Awards                  
Earnings Per Share Note [Line Items]                  
Stock option outstanding         1,348   1,348    
Performance Based Awards | Common Class A                  
Earnings Per Share Note [Line Items]                  
Number of shares not included because the performance criteria was not expected to be met             17,114    
Unvested Performance-Based Stock Awards | Common Class A                  
Earnings Per Share Note [Line Items]                  
Antidilutive securities excluded from computation of earnings per share               1,348