Stock-Based Compensation (Details)	9 Months Ended		12 Months Ended
	Sep. 29, 2024 $ / shares shares	Sep. 24, 2023 $ / shares shares	Dec. 31, 2023
Second Amended and Restated 2004 Stock Incentive Plan
Stock-based compensation
Vesting period	3 years
Second Amended and Restated 2004 Stock Incentive Plan | Deferred shares
Stock-based compensation
Granted (in shares)	48,354	43,454
Second Amended and Restated 2004 Stock Incentive Plan | Performance stock units
Stock-based compensation
Vesting period	3 years
Period of time used to calculate the compound annual growth rate	3 years
Granted (in shares)	39,085	36,076
Second Amended and Restated 2004 Stock Incentive Plan | Performance stock units | Minimum
Stock-based compensation
Percent of target shares a recipient may earn	0
Second Amended and Restated 2004 Stock Incentive Plan | Performance stock units | Maximum
Stock-based compensation
Percent of target shares a recipient may earn	2
Management Stock Purchase Plan | Maximum
Stock-based compensation
Percentage of annual incentive bonus that may be used to purchase RSU's	50.00%
Management Stock Purchase Plan | Class A
Stock-based compensation
Purchase price as percentage of fair market value of common stock on grant date	80.00%
Management Stock Purchase Plan | Restricted stock units (RSUs)
Stock-based compensation
Minimum deferral period	3 years
Granted (in shares)	20,076	26,645
Fair value assumptions
Expected life (years)	3 years		3 years
Expected stock price volatility (as a percent)	28.90%		33.70%
Expected dividend yield (as a percent)	0.80%		0.80%
Risk-free interest rate (as a percent)	4.50%		4.10%
Weighted average grant-date fair value (in dollars per share) | $ / shares	$ 68.94	$ 57.50
Management Stock Purchase Plan | Restricted stock units (RSUs) | Minimum
Stock-based compensation
Vesting period	3 years