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Note 18 - Quarterly Financial Information (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2015
Notes Tables |
Schedule of Quarterly Financial Information [Table Text Block] |
|  | Quarters Ended 201 5 |
|  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |
Net sales |  | $ | 311,818 |  |  | $ | 288,360 |  |  | $ | 359,291 |  |  | $ | 357,830 |
Gross profit |  |  | 102,603 |  |  |  | 95,897 |  |  |  | 130,326 |  |  |  | 131,124 |
Operating income |  |  | 44,911 |  |  |  | 39,467 |  |  |  | 67,867 |  |  |  | 27,316 |
Net income |  |  | 19,685 |  |  |  | 14,844 |  |  |  | 34,036 |  |  |  | 9,182 |
Net income per common share, basic: |  | $ | 0.29 |  |  | $ | 0.22 |  |  | $ | 0.50 |  |  | $ | 0.14 |
Net income per common share, diluted: |  | $ | 0.28 |  |  | $ | 0.21 |  |  | $ | 0.49 |  |  | $ | 0.14 |
|  | Quarters Ended 201 4 |
|  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |
Net sales |  | $ | 342,008 |  |  | $ | 362,609 |  |  | $ | 352,305 |  |  | $ | 403,997 |
Gross profit |  |  | 119,514 |  |  |  | 128,012 |  |  |  | 130,283 |  |  |  | 138,410 |
Operating income |  |  | 65,306 |  |  |  | 78,160 |  |  |  | 70,794 |  |  |  | 79,115 |
Net income |  |  | 34,701 |  |  |  | 54,025 |  |  |  | 36,497 |  |  |  | 49,390 |
Net income per common share, basic: |  | $ | 0.51 |  |  | $ | 0.79 |  |  | $ | 0.53 |  |  | $ | 0.72 |
Net income per common share, diluted: |  | $ | 0.50 |  |  | $ | 0.77 |  |  | $ | 0.52 |  |  | $ | 0.70 |

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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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- References No definition available. + Details
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