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Selected Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2016
Selected Quarterly Financial Information [Abstract] |
Selected Quarterly Financial Data (Unaudited) | Note 13. Selected Quarterly Financial Data (Unaudited) (Amounts in thousands except per share information)
2016: | Net Sales |  | Gross Profit |  | Pre-tax Earnings |  | Net Earnings |  | Basic Net Earnings per Share (1) |  | Diluted Net Earnings per Share
First quarter | $ | 986,680 |  |  | 491,460 |  |  | 199,851 |  |  | 126,227 |  |  | 0.44 |  |  | 0.44 |
Second quarter | 1,014,287 |  |  | 501,592 |  |  | 207,817 |  |  | 131,521 |  |  | 0.46 |  |  | 0.45 |
Third quarter | 1,013,122 |  |  | 499,834 |  |  | 201,239 |  |  | 126,925 |  |  | 0.44 |  |  | 0.44 |
Fourth quarter | 947,947 |  |  | 471,891 |  |  | 180,822 |  |  | 114,805 |  |  | 0.40 |  |  | 0.40 |
Total | $ | 3,962,036 |  |  | 1,964,777 |  |  | 789,729 |  |  | 499,478 |  |  | 1.73 |  |  | 1.73 |
2015: | Net Sales |  | Gross Profit |  | Pre-tax Earnings |  | Net Earnings |  | Basic Net Earnings per Share |  | Diluted Net Earnings per Share
First quarter | $ | 953,317 |  |  | 484,050 |  |  | 203,512 |  |  | 127,606 |  |  | 0.43 |  |  | 0.43 |
Second quarter | 997,827 |  |  | 502,087 |  |  | 225,099 |  |  | 140,357 |  |  | 0.48 |  |  | 0.48 |
Third quarter | 995,250 |  |  | 502,225 |  |  | 219,204 |  |  | 136,494 |  |  | 0.47 |  |  | 0.47 |
Fourth quarter | 922,793 |  |  | 460,572 |  |  | 178,205 |  |  | 111,904 |  |  | 0.39 |  |  | 0.39 |
Total | $ | 3,869,187 |  |  | 1,948,934 |  |  | 826,020 |  |  | 516,361 |  |  | 1.77 |  |  | 1.77 |
(1) Amounts may not foot due to rounding difference.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1570-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 + Details
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