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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 27, 2014
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Shares [Table Text Block] | The shares used in the computation of the Company’s basic and diluted earnings per common share are as follows:
In Thousands |  | 2014 |  | 2013 |  | 2012 |
Weighted average common shares outstanding |  |  | 13,853 |  |  | 13,506 |  |  | 13,244 |
Dilutive effect of stock options |  |  | 214 |  |  | 125 |  |  | 160 |
Weighted average common shares outstanding, assuming dilution |  |  | 14,067 |  |  | 13,631 |  |  | 13,404 |
Number of anti-dilutive stock options |  |  | — |  |  | 271 |  |  | 451 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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