Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Consolidated Statements of Income [Abstract]
Net sales	$ 4,112,601	$ 3,543,299	$ 3,509,270
Cost of sales, including advertising, warehousing and distribution expenses	3,012,167	2,605,105	2,574,269
Gross profit on sales	1,100,434	938,194	935,001
Operating, general and administrative expenses	937,256	853,555	852,330
Income from operations	163,178	84,639	82,671
Investment income (loss) and interest expense	3,817	7,054	(1,454)
Other income (expense)	(3,316)	(3,049)	919
Income before provision for income taxes	163,679	88,644	82,136
Provision for income taxes	44,762	20,661	19,398
Net income	$ 118,917	$ 67,983	$ 62,738
Weighted-average shares outstanding, basic and diluted	26,898,443	26,898,443	26,898,443
Cash dividends per share	$ 1.24	$ 1.24	$ 1.21
Basic and diluted earnings per share	$ 4.42	$ 2.53	$ 2.33

Aggregate dividends declared during the period for each share of common stock outstanding.

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