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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Summary of Earnings Per Share, Basic and Diluted | The following reflects the Company’s net income and share data used in the basic and diluted earnings per share computations using the two-class method:
| Three Months Ended June 30 |  | Six Months Ended June 30
(in thousands, except per share amounts) | 2019 |  | 2018 |  | 2019 |  | 2018
Numerator: |  |  |  |  |  |  |
Numerator for basic earnings per share: |  |  |  |  |  |  |
Net income attributable to Graham Holdings Company common stockholders | $ | 57,081 |  |  | $ | 46,566 |  |  | $ | 138,829 |  |  | $ | 89,457 |
Less: Dividends paid-common stock outstanding and unvested restricted shares | (7,388 | ) |  | (6,948 | ) |  | (22,167 | ) |  | (21,587 | )
Undistributed earnings | 49,693 |  |  | 39,618 |  |  | 116,662 |  |  | 67,870 |
Percent allocated to common stockholders | 99.43 | % |  | 99.33 | % |  | 99.43 | % |  | 99.33 | %
| 49,410 |  |  | 39,352 |  |  | 115,997 |  |  | 67,416 |
Add: Dividends paid-common stock outstanding | 7,346 |  |  | 6,901 |  |  | 22,041 |  |  | 21,444 |
Numerator for basic earnings per share | $ | 56,756 |  |  | $ | 46,253 |  |  | $ | 138,038 |  |  | $ | 88,860 |
Add: Additional undistributed earnings due to dilutive stock options | 2 |  |  | 2 |  |  | 5 |  |  | 3 |
Numerator for diluted earnings per share | $ | 56,758 |  |  | $ | 46,255 |  |  | $ | 138,043 |  |  | $ | 88,863 |
Denominator: |  |  |  |  |  |  |  |  |
Denominator for basic earnings per share: |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding | 5,285 |  |  | 5,325 |  |  | 5,285 |  |  | 5,380 |
Add: Effect of dilutive stock options | 44 |  |  | 37 |  |  | 43 |  |  | 37 |
Denominator for diluted earnings per share | 5,329 |  |  | 5,362 |  |  | 5,328 |  |  | 5,417 |
Graham Holdings Company Common Stockholders: |  |  |  |  |  |  |
Basic earnings per share | $ | 10.74 |  |  | $ | 8.69 |  |  | $ | 26.12 |  |  | $ | 16.52 |
Diluted earnings per share | $ | 10.65 |  |  | $ | 8.63 |  |  | $ | 25.91 |  |  | $ | 16.40 |
Antidilutive Weighted Average Restricted Stock and Options | Diluted earnings per share excludes the following weighted average potential common shares, as the effect would be antidilutive, as computed under the treasury stock method:
| Three Months Ended June 30 |  | Six Months Ended June 30
(in thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
Weighted average restricted stock | 12 |  |  | 21 |  |  | 11 |  |  | 24 |

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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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