Net Income Per Share - Summary of Computation of Basic Net Income Per Share and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022
Numerator for basic and diluted net income per Common Stock and Class B Common Stock share:
Net income	$ 92,093	$ 118,761	$ 332,539	$ 311,713
Less dividends:
Total undistributed earnings – basic	87,406	116,418	290,357	304,683
Total undistributed earnings – diluted	87,406	116,418	$ 290,357	$ 304,683
Diluted net income per share:
Percentage undistributed earnings allocated to common stock diluted			100.00%	100.00%
Anti-dilutive shares (in shares)			0	0
Common Stock
Less dividends:
Common Stock	4,184	2,092	$ 37,660	$ 5,970
Total undistributed earnings – basic	78,035	103,937	259,227	261,064
Total undistributed earnings – diluted	77,861	103,583	258,565	260,065
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share	82,219	106,029	296,887	267,034
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share	$ 92,093	$ 118,761	$ 332,539	$ 311,713
Denominator for basic net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - basic (in shares)	8,369,000	8,369,000	8,369,000	8,032,000
Denominator for diluted net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - diluted (assuming conversion of Class B Common Stock to Common Stock) (in shares)	9,395,000	9,406,000	9,398,000	9,410,000
Basic net income per share:
Common Stock (in dollars per share)	$ 9.82	$ 12.67	$ 35.47	$ 33.25
Diluted net income per share:
Common Stock (in dollars per share)	$ 9.80	$ 12.63	$ 35.38	$ 33.13
Class B Common Stock
Less dividends:
Common Stock	$ 503	$ 251	$ 4,522	$ 1,060
Total undistributed earnings – basic	9,371	12,481	31,130	43,619
Total undistributed earnings – diluted	9,545	12,835	31,792	44,618
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share	9,874	12,732	35,652	44,679
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share	$ 10,048	$ 13,086	$ 36,314	$ 45,678
Denominator for basic net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - basic (in shares)	1,005,000	1,005,000	1,005,000	1,342,000
Denominator for diluted net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - diluted (assuming conversion of Class B Common Stock to Common Stock) (in shares)	1,026,000	1,037,000	1,029,000	1,378,000
Basic net income per share:
Common Stock (in dollars per share)	$ 9.82	$ 12.67	$ 35.47	$ 33.29
Diluted net income per share:
Common Stock (in dollars per share)	$ 9.79	$ 12.62	$ 35.29	$ 33.15