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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Basic Shares Outstanding to Diluted Shares Outstanding | Basic weighted average shares outstanding is reconciled to diluted weighted average shares outstanding as follows (in thousands):
| Thirteen Weeks Ended |  | Twenty-Six Weeks Ended
| June 30, 2018 |  | July 1, 2017 |  | June 30, 2018 |  | July 1, 2017
Basic weighted average shares outstanding | 29,230 |  |  | 29,032 |  |  | 29,173 |  |  | 28,964 |
Dilutive shares | 298 |  |  | 362 |  |  | 336 |  |  | 397 |
Diluted weighted average shares outstanding | 29,528 |  |  | 29,394 |  |  | 29,509 |  |  | 29,361 |

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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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