Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Consolidated Statements of Income [Abstract]
Net sales	$ 1,098,704	$ 887,967	$ 2,084,524	$ 1,764,686
Cost of sales, including advertising, warehousing and distribution expenses	805,816	651,297	1,527,489	1,298,463
Gross profit on sales	292,888	236,670	557,035	466,223
Operating, general and administrative expenses	236,886	210,373	463,605	422,105
Income from operations	56,002	26,297	93,430	44,118
Investment income (loss) and interest expense	3,066	1,079	(953)	3,975
Other income (expense)	(2,618)	(428)	58	(2,270)
Income before provision for income taxes	56,450	26,948	92,535	45,823
Provision for income taxes	14,978	6,473	24,374	11,043
Net income	$ 41,472	$ 20,475	$ 68,161	$ 34,780
Weighted-average shares outstanding, basic and diluted	26,898,443	26,898,443	26,898,443	26,898,443
Cash dividends per share	$ 0.31	$ 0.31	$ 0.62	$ 0.62
Basic and diluted earnings per share	$ 1.54	$ 0.76	$ 2.53	$ 1.29

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

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