Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jun. 25, 2022	Jul. 01, 2023	Jun. 25, 2022
Income Statement [Abstract]
Net sales	$ 1,178,695	$ 1,135,234	$ 2,323,669	$ 2,239,302
Cost of sales, including advertising, warehousing and distribution expenses	879,650	843,020	1,738,834	1,653,403
Gross profit on sales	299,045	292,214	584,835	585,899
Operating, general and administrative expenses	253,422	243,809	506,594	496,081
Income from operations	45,623	48,405	78,241	89,818
Investment income (loss) and interest expense	2,508	(1,030)	6,306	(1,910)
Other income (expense)	(915)	2,085	(2,173)	3,590
Income before provision for income taxes	47,216	49,460	82,374	91,498
Provision for income taxes	12,951	13,194	22,295	23,843
Net income	$ 34,265	$ 36,266	$ 60,079	$ 67,655
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	$ 0.34	$ 0.32	$ 0.68	$ 0.64
Basic earnings per share	1.27	1.35	2.23	2.52
Diluted earnings per share	$ 1.27	$ 1.35	$ 2.23	$ 2.52