Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Apr. 01, 2017
Consolidated Statements of Income [Abstract]
Total sales and other revenue	$ 876,106	$ 852,229
Cost of sales, including advertising, warehousing and distribution expenses	641,199	623,193
Gross profit on sales	234,907	229,036
Operating, general and administrative expenses	212,068	208,786
Income from operations	22,839	20,250
Investment income and interest expense	(532)	824
Income before provision for income taxes	22,307	21,074
Provision for income taxes	6,116	9,238
Net income	$ 16,191	$ 11,836
Weighted-average shares outstanding, basic and diluted	26,898,443	26,898,443
Cash dividends per share	$ 0.30	$ 0.30
Basic and diluted earnings per share	$ 0.60	$ 0.44

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

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