Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Numerator for basic and diluted net income per Common Stock and Class B Common Stock share:
Net income	$ 118,127	$ 93,390
Less dividends:
Total undistributed earnings – basic	85,319	91,046
Total undistributed earnings – diluted	$ 85,319	$ 91,046
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	$ 29,291	$ 1,786
Total undistributed earnings – basic	76,172	71,463
Total undistributed earnings – diluted	76,002	71,288
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share	105,463	73,249
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share	$ 118,127	$ 93,390
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	7,357,000
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	9,396,000
Basic net income per share:
Common Stock (in dollars per share)	$ 12.60	$ 9.96
Diluted net income per share:
Common Stock (in dollars per share)	$ 12.57	$ 9.94
Class B Common Stock
Less dividends:
Common Stock	$ 3,517	$ 558
Total undistributed earnings – basic	9,147	19,583
Total undistributed earnings – diluted	9,317	19,758
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share	12,664	20,141
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share	$ 12,834	$ 20,316
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	2,016,000
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	2,039,000
Basic net income per share:
Common Stock (in dollars per share)	$ 12.60	$ 9.99
Diluted net income per share:
Common Stock (in dollars per share)	$ 12.51	$ 9.96