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Net Income Per Share (Tables) | 9 Months Ended
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Sep. 27, 2020
Earnings Per Share [Abstract] |
Number of shares used to calculate basic and diluted income per share | The weighted average number of shares used to calculate basic and diluted net income per share were as follows:
| Three Months Ended |  | Nine Months Ended
| September 27, 2020 |  | September 29, 2019 |  | September 27, 2020 |  | September 29, 2019
Common stock: |  |  |  |  |  |  |
Weighted average basic shares outstanding | 223,907 |  |  | 230,723 |  |  | 223,521 |  |  | 230,779 |
Dilutive effect of stock options and restricted shares | 4,410 |  |  | 4,995 |  |  | 4,312 |  |  | 5,122 |
Weighted average diluted shares outstanding | 228,317 |  |  | 235,718 |  |  | 227,833 |  |  | 235,901 |

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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=6371337&loc=d3e3550-109257 + Details
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