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Note 13 - Selected Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 30, 2017
Notes Tables |
Quarterly Financial Information [Table Text Block] |
(in thousands, except per share data ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | 2017 |  |  | 2016 |
|  | 4Q (a) |  |  | 3 Q (b ) |  |  | 2 Q (c ) |  |  | 1 Q (d ) |  |  | 4Q (e ) |  |  | 3 Q (f ) |  |  | 2 Q (g ) |  |  | 1 Q (h ) |
Net sales |  | $ | 304,849 |  |  | $ | 317,889 |  |  | $ | 313,355 |  |  | $ | 285,441 |  |  | $ | 284,518 |  |  | $ | 280,331 |  |  | $ | 271,912 |  |  | $ | 219,398 |
Gross profit |  |  | 126,624 |  |  |  | 133,651 |  |  |  | 132,608 |  |  |  | 113,650 |  |  |  | 114,337 |  |  |  | 113,759 |  |  |  | 97,866 |  |  |  | 87,155 |
Operating income |  |  | 50,780 |  |  |  | 58,609 |  |  |  | 60,270 |  |  |  | 48,852 |  |  |  | 40,988 |  |  |  | 27,526 |  |  |  | 29,702 |  |  |  | 32,428 |
Net income/(loss) |  |  | (10,819 | ) |  |  | 42,808 |  |  |  | 48,638 |  |  |  | 38,891 |  |  |  | 27,245 |  |  |  | 30,802 |  |  |  | 27,152 |  |  |  | 19,289 |
Net income/(loss per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.48 | ) |  | $ | 1.88 |  |  | $ | 2.13 |  |  | $ | 1.71 |  |  | $ | 1.20 |  |  | $ | 1.36 |  |  | $ | 1.21 |  |  | $ | 0.86 |
Diluted |  | $ | (0.48 | ) |  | $ | 1.87 |  |  | $ | 2.11 |  |  | $ | 1.69 |  |  | $ | 1.19 |  |  | $ | 1.35 |  |  | $ | 1.20 |  |  | $ | 0.85 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, 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=84173487&loc=d3e1280-108306 + Details
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- References No definition available. + Details
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