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Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2018
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Reconciliation of Basic to Diluted Weighted Average Shares | The reconciliation of basic to diluted weighted average shares outstanding is as follows:
| Quarter Ended |  | Six Months Ended
| June 30, 2018 |  | July 1, 2017 |  | June 30, 2018 |  | July 1, 2017
Basic weighted average shares outstanding | 362,011 |  |  | 365,911 |  |  | 361,944 |  |  | 370,075 |
Effect of potentially dilutive securities: |  |  |  |  |  |  |
Stock options | 876 |  |  | 1,565 |  |  | 968 |  |  | 1,605 |
Restricted stock units | 367 |  |  | 515 |  |  | 333 |  |  | 466 |
Employee stock purchase plan and other | — |  |  | 1 |  |  | — |  |  | 1 |
Diluted weighted average shares outstanding | 363,254 |  |  | 367,992 |  |  | 363,245 |  |  | 372,147 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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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- References No definition available. + Details
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