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Net Income per Share - Additional Information (Detail) - shares
3 Months Ended 9 Months Ended
Sep. 03, 2023
May 24, 2023
May 17, 2023
May 02, 2023
Mar. 01, 2023
Mar. 01, 2020
Mar. 01, 2019
Jan. 01, 2019
Sep. 30, 2023
Sep. 24, 2022
Sep. 30, 2023
Sep. 24, 2022
Dec. 31, 2022
Earnings Per Share Note [Line Items]                          
Antidilutive securities excluded from computation of earnings per share                 83,797        
Stock option outstanding                 201,299   201,299   204,245
Common Class A                          
Earnings Per Share Note [Line Items]                          
Antidilutive securities excluded from computation of earnings per share                   12,318 76,548 25,309  
Unvested Share Based Payments                          
Earnings Per Share Note [Line Items]                          
Antidilutive securities excluded from computation of earnings per share                 31,962   32,962    
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 1 year 4 years 4 years 4 years 4 years 5 years          
Performance Based Awards                          
Earnings Per Share Note [Line Items]                          
Stock option outstanding                 10,421 1,348 10,421 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                     21,835 17,114