Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021
Income Statement [Abstract]
Net sales	$ 1,150,551	$ 1,063,452	$ 3,389,853	$ 3,117,141
Cost of sales, including advertising, warehousing and distribution expenses	862,908	780,320	2,516,311	2,285,428
Gross profit on sales	287,643	283,132	873,542	831,713
Operating, general and administrative expenses	253,985	244,164	750,066	715,353
Income from operations	33,658	38,968	123,476	116,360
Investment income (loss) and interest expense	(1,483)	608	(3,394)	4,360
Other income (expense)	1,214	(401)	4,805	(3,007)
Income before provision for income taxes	33,389	39,175	124,887	117,713
Provision for income taxes	4,731	10,668	28,574	31,479
Net income	$ 28,658	$ 28,507	$ 96,313	$ 86,234
Weighted-average shares outstanding, basic	26,898,443	26,898,443	26,898,443	26,898,443
Weighted-average shares outstanding, diluted	26,898,443	26,898,443	26,898,443	26,898,443
Cash dividends per share	$ 0.32	$ 0.31	$ 0.96	$ 0.93
Basic earnings per share	1.07	1.06	3.58	3.21
Diluted earnings per share	$ 1.07	$ 1.06	$ 3.58	$ 3.21