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		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Numerator for basic and diluted net income per Common Stock and Class B Common Stock share:
Net income	$ 122,319	$ 99,562	$ 240,446	$ 192,952
Less dividends:
Total undistributed earnings – basic	117,632	97,219	202,951	188,265
Total undistributed earnings – diluted	117,632	97,219	$ 202,951	$ 188,265
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	4,185	2,092	$ 33,476	$ 3,878
Total undistributed earnings – basic	105,021	86,796	181,192	157,918
Total undistributed earnings – diluted	104,775	86,565	180,768	157,498
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share	109,206	88,888	214,668	161,796
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share	$ 122,319	$ 99,562	$ 240,446	$ 192,952
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	7,863,000
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)	9,396,000	9,399,000	9,396,000	9,399,000
Basic net income per share:
Common Stock (in dollars per share)	$ 13.05	$ 10.62	$ 25.65	$ 20.58
Diluted net income per share:
Common Stock (in dollars per share)	$ 13.02	$ 10.59	$ 25.59	$ 20.53
Class B Common Stock
Less dividends:
Common Stock	$ 502	$ 251	$ 4,019	$ 809
Total undistributed earnings – basic	12,611	10,423	21,759	30,347
Total undistributed earnings – diluted	12,857	10,654	22,183	30,767
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share	13,113	10,674	25,778	31,156
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share	$ 13,359	$ 10,905	$ 26,202	$ 31,576
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	1,511,000
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)	1,027,000	1,030,000	1,027,000	1,536,000
Basic net income per share:
Common Stock (in dollars per share)	$ 13.05	$ 10.62	$ 25.65	$ 20.62
Diluted net income per share:
Common Stock (in dollars per share)	$ 13.01	$ 10.59	$ 25.51	$ 20.56