CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Class B Common Stock	Common Stock Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Common Stock	Retained Earnings Class B Common Stock	Accumulated Other Comprehensive Income (Loss)	Treasury Stock, Common Common Stock	Treasury Stock, Common Class B Common Stock
Beginning Balance at Dec. 31, 2021	$ 711,786			$ 10,204	$ 2,860	$ 135,953	$ 724,486			$ (100,463)	$ (60,845)	$ (409)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	311,713						311,713
Other comprehensive income, net of tax	2,444									2,444
Dividends declared, common stock		$ (5,970)	$ (1,060)					$ (5,970)	$ (1,060)
Conversion of 1,227,546 shares of Class B Common Stock				(1,227)	1,227
Ending Balance at Sep. 30, 2022	1,018,913			11,431	1,633	135,953	1,029,169			(98,019)	(60,845)	(409)
Beginning Balance at Jul. 01, 2022	901,680			11,431	1,633	135,953	912,751			(98,834)	(60,845)	(409)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	118,761						118,761
Other comprehensive income, net of tax	815									815
Dividends declared, common stock		(2,092)	(251)					(2,092)	(251)
Ending Balance at Sep. 30, 2022	1,018,913			11,431	1,633	135,953	1,029,169			(98,019)	(60,845)	(409)
Beginning Balance at Dec. 31, 2022	1,115,388			11,431	1,633	135,953	1,112,462			(84,837)	(60,845)	(409)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	332,539						332,539
Other comprehensive income, net of tax	85,775									85,775
Dividends declared, common stock		(8,369)	(1,005)					(8,369)	(1,005)
Ending Balance at Sep. 29, 2023	1,524,328			11,431	1,633	135,953	1,435,627			938	(60,845)	(409)
Beginning Balance at Jun. 30, 2023	1,379,708			11,431	1,633	135,953	1,348,221			(56,276)	(60,845)	(409)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	92,093						92,093
Other comprehensive income, net of tax	57,214									57,214
Dividends declared, common stock		$ (4,184)	$ (503)					$ (4,184)	$ (503)
Ending Balance at Sep. 29, 2023	$ 1,524,328			$ 11,431	$ 1,633	$ 135,953	$ 1,435,627			$ 938	$ (60,845)	$ (409)