Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
Apr. 01, 2017	Mar. 26, 2016
Consolidated Statements of Income [Abstract]
Net sales	$ 852,229	$ 738,204
Cost of sales, including warehousing and distribution expenses	622,433	531,092
Gross profit on sales	229,796	207,112
Operating, general and administrative expenses	209,546	175,842
Income from operations	20,250	31,270
Investment income and interest expense	824	637
Income before provision for income taxes	21,074	31,907
Provision for income taxes	9,238	11,778
Net income	$ 11,836	$ 20,129
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	$ 0.44	$ 0.75

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

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