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Selected Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Selected Quarterly Financial Data | Selected quarterly financial data for 2015 and 2014 are as follows:
| Three Months Ended
| March |  | June |  | September |  | December
2015 |  |  |  |  |  |  |
Net sales | $ | 177,940 |  |  | $ | 181,027 |  |  | $ | 169,184 |  |  | $ | 191,017 |
Gross profit | 92,282 |  |  | 93,498 |  |  | 93,546 |  |  | 102,376 |
Net income | 6,312 |  |  | 7,461 |  |  | 8,873 |  |  | 7,852 |
EPS: |  |  |  |  |  |  |  |  |  |  |
Basic | $ | .23 |  |  | $ | .27 |  |  | $ | .32 |  |  | $ | .28 |
Diluted | .23 |  |  | .27 |  |  | .32 |  |  | .28 |
| Three Months Ended
| March |  | June |  | September |  | December
2014 |  |  |  |  |  |  |
Net sales | $ | 181,941 |  |  | $ | 188,150 |  |  | $ | 174,961 |  |  | $ | 195,003 |
Gross profit | 102,582 |  |  | 101,028 |  |  | 96,414 |  |  | 104,033 |
Net income | 8,626 |  |  | 10,255 |  |  | 1,972 |  |  | 11,339 |
EPS: |  |  |  |  |  |  |  |  |  |  |
Basic | $ | .32 |  |  | $ | .38 |  |  | $ | .07 |  |  | $ | .41 |
Diluted | .31 |  |  | .37 |  |  | .07 |  |  | .41 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=51825399&loc=d3e1280-108306 + Details
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