Net Income Per Share (Details) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Mar. 17, 2022 shares	Jul. 01, 2022 USD ($) $ / shares shares	Jul. 02, 2021 USD ($) $ / shares shares	Jul. 01, 2022 USD ($) $ / shares shares	Jul. 02, 2021 USD ($) $ / shares shares
Numerator for basic and diluted net income per Common Stock and Class B Common Stock share:
Net income		$ 99,562	$ 48,180	$ 192,952	$ 101,543
Less dividends:
Total undistributed earnings – basic		97,219	45,836	188,265	96,856
Total undistributed earnings – diluted		97,219	45,836	$ 188,265	$ 96,856
Diluted net income per share:
Percentage undistributed earnings allocated to common stock diluted				100.00%	100.00%
Anti-dilutive shares | shares				0	0
Common Stock
Less dividends:
Common Stock		2,092	1,786	$ 3,878	$ 3,571
Total undistributed earnings – basic		86,796	34,921	157,918	73,792
Total undistributed earnings – diluted		86,565	34,795	157,498	73,525
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share		88,888	36,707	161,796	77,363
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share		$ 99,562	$ 48,180	$ 192,952	$ 101,543
Denominator for basic net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - basic (in shares) | shares		8,369,000	7,141,000	7,863,000	7,141,000
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) | shares		9,399,000	9,407,000	9,399,000	9,407,000
Basic net income per share:
Common Stock (in dollars per share) | $ / shares		$ 10.62	$ 5.14	$ 20.58	$ 10.83
Diluted net income per share:
Common Stock (in dollars per share) | $ / shares		$ 10.59	$ 5.12	$ 20.53	$ 10.79
Class B Common Stock
Less dividends:
Common Stock		$ 251	$ 558	$ 809	$ 1,116
Total undistributed earnings – basic		10,423	10,915	30,347	23,064
Total undistributed earnings – diluted		10,654	11,041	30,767	23,331
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share		10,674	11,473	31,156	24,180
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share		$ 10,905	$ 11,599	$ 31,576	$ 24,447
Denominator for basic net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - basic (in shares) | shares		1,005,000	2,232,000	1,511,000	2,232,000
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) | shares		1,030,000	2,266,000	1,536,000	2,266,000
Basic net income per share:
Common Stock (in dollars per share) | $ / shares		$ 10.62	$ 5.14	$ 20.62	$ 10.83
Diluted net income per share:
Common Stock (in dollars per share) | $ / shares		$ 10.59	$ 5.12	$ 20.56	$ 10.79
Shares converted (in shares) | shares				1,227,546
Class B Common Stock | Converting Stockholders
Diluted net income per share:
Shares converted (in shares) | shares	1,227,546
Conversion ratio	1