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Earnings Per Share: (Tables) | 6 Months Ended
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Jun. 25, 2022
Earnings Per Share: |
Schedule of shares outstanding used in the calculation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended | ​
​ |  | June 25, 2022 |  | June 26, 2021 |  | June 25, 2022 |  | June 26, 2021 |
Denominator for basic EPS — weighted average common shares |  | 3,463,886 |  | 3,693,503 |  | 3,530,902 |  | 3,715,088 |
Dilutive shares associated with option plans |  | 95,345 |  | 137,341 |  | 106,870 |  | 137,446 |
Denominator for diluted EPS — weighted average common shares and dilutive potential common shares |  | 3,559,231 |  | 3,830,844 |  | 3,637,772 |  | 3,852,534 |
Options excluded from EPS calculation — anti-dilutive |  | 21,488 |  | 6,670 |  | 16,379 |  | 9,654 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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