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Consolidated Statements of Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Dec. 26, 2015
Consolidated Statements of Income [Abstract] |  |  |
Net sales | $ 3,466,807 | $ 3,136,720 | $ 2,876,748
Cost of sales, including warehousing and distribution expenses | 2,540,348 | 2,264,565 | 2,090,016
Gross profit on sales | 926,459 | 872,155 | 786,732
Operating, general and administrative expenses | 850,034 | 773,830 | 695,953
Income from operations | 76,425 | 98,325 | 90,779
Investment income and interest expense | 2,598 | 2,457 | 1,552
Gain on bargain purchase | 0 | 23,879 | 0
Income before provision for income taxes | 79,023 | 124,661 | 92,331
Provision for income taxes | (19,391) | 37,499 | 33,001
Net income | $ 98,414 | $ 87,162 | $ 59,330
Weighted-average shares outstanding, basic and diluted | 26,898,443 | 26,898,443 | 26,898,443
Cash dividends per share | $ 1.20 | $ 1.20 | $ 1.20
Basic and diluted earnings per share | $ 3.66 | $ 3.24 | $ 2.21

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