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Net Income Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Computation of Net Income Per Share | The following table sets forth the computation of Net Income Per Share for the three-month and six-month periods ended June 30, 2019 and 2018 (in thousands, except per share data):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Numerator for Basic and Diluted Earnings Per Share - |  |  |  |  |  |  |
Net Income | $ | 847,841 |  |  | $ | 696,731 |  |  | $ | 1,483,267 |  |  | $ | 1,335,320 |
Denominator for Basic Earnings Per Share - |  |  |  |  |  |  |  |  |  |  |
Weighted Average Shares | 577,460 |  |  | 576,135 |  |  | 577,333 |  |  | 575,953 |
Potential Dilutive Common Shares - |  |  |  |  |  |  |  |  |  |  |
Stock Options/SARs | 434 |  |  | 1,365 |  |  | 452 |  |  | 1,237 |
Restricted Stock/Units and Performance Units | 2,353 |  |  | 2,875 |  |  | 2,419 |  |  | 2,817 |
Denominator for Diluted Earnings Per Share - |  |  |  |  |  |  |  |  |  |  |
Adjusted Diluted Weighted Average Shares | 580,247 |  |  | 580,375 |  |  | 580,204 |  |  | 580,007 |
Net Income Per Share |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 1.47 |  |  | $ | 1.21 |  |  | $ | 2.57 |  |  | $ | 2.32 |
Diluted | $ | 1.46 |  |  | $ | 1.20 |  |  | $ | 2.56 |  |  | $ | 2.30 |

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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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