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Net Income per Share - Additional Information (Detail) - shares
3 Months Ended 6 Months Ended
Mar. 01, 2021
Mar. 01, 2020
Mar. 01, 2019
Jan. 01, 2019
Jun. 26, 2021
Jun. 27, 2020
Jun. 26, 2021
Jun. 27, 2020
Common Class A                
Earnings Per Share Note [Line Items]                
Antidilutive securities excluded from computation of earnings per share         20,000 23,000 13,000 16,000
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 | Common Class A                
Earnings Per Share Note [Line Items]                
Number of shares not included because the performance criteria was not expected to be met             1,000