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Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2017
Quarterly Financial Data [Abstract] |
Quarterly Financial Data | Quarterly Financial Data (unaudited)
| Sales |  | Gross profit |  | Net income |  | Diluted net income per share
| (In thousands, except per share data)
2017 |  |  |  |  |  |  |
First Quarter | $ | 1,153,782 |  |  | $ | 242,491 |  |  | $ | (2,911 | ) |  | $ | (0.05 | )
Second Quarter | 1,364,920 |  |  | 350,386 |  |  | 62,041 |  |  | 0.97 |
Third Quarter | 1,478,726 |  |  | 363,962 |  |  | 81,888 |  |  | 1.28 |
Fourth Quarter | 1,431,049 |  |  | 367,812 |  |  | 31,474 |  |  | 0.49 |
Totals | $ | 5,428,477 |  |  | $ | 1,324,651 |  |  | $ | 172,492 |  |  | $ | 2.69 |
2016 |  |  |  |  |  |  |
First Quarter | $ | 982,996 |  |  | $ | 247,578 |  |  | $ | 46,889 |  |  | $ | 0.71 |
Second Quarter | 1,130,777 |  |  | 284,503 |  |  | 71,166 |  |  | 1.09 |
Third Quarter | 1,185,067 |  |  | 260,770 |  |  | 32,312 |  |  | 0.50 |
Fourth Quarter | 1,217,789 |  |  | 312,772 |  |  | 62,581 |  |  | 0.97 |
Totals | $ | 4,516,629 |  |  | $ | 1,105,623 |  |  | $ | 212,948 |  |  | $ | 3.27 |

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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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