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Weighted-Average Shares (Tables) | 9 Months Ended
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Oct. 01, 2017
Earnings Per Share [Abstract] |
Calculation of Weighted-Average Shares | Weighted-average shares were calculated as follows (in thousands):
| Three-months Ended |  | Nine-months Ended
| October 1, 2017 |  | October 2, 2016 |  | October 1, 2017 |  | October 2, 2016
Basic weighted-average common shares outstanding | 86,617 |  |  | 85,460 |  |  | 86,526 |  |  | 85,167 |
Effect of dilutive stock options | 3,060 |  |  | 1,886 |  |  | 3,036 |  |  | 1,638 |
Weighted-average common and common-equivalent shares outstanding | 89,677 |  |  | 87,346 |  |  | 89,562 |  |  | 86,805 |

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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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