Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Consolidated Statements of Income [Abstract]
Net sales	$ 3,543,299	$ 3,509,270	$ 3,466,807
Cost of sales, including advertising, warehousing and distribution expenses	2,605,105	2,574,269	2,554,284
Gross profit on sales	938,194	935,001	912,523
Operating, general and administrative expenses	853,555	852,330	834,004
Income from operations	84,639	82,671	78,519
Investment income (loss) and interest expense	7,054	(1,454)	2,598
Other income (expense)	(3,049)	919	(2,094)
Income before provision for income taxes	88,644	82,136	79,023
Provision for income taxes	20,661	19,398	(19,391)
Net income	$ 67,983	$ 62,738	$ 98,414
Weighted-average shares outstanding, basic and diluted	26,898,443	26,898,443	26,898,443
Cash dividends per share	$ 1.24	$ 1.21	$ 1.20
Basic and diluted earnings per share	$ 2.53	$ 2.33	$ 3.66

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

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