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Stockholders' Equity Share Repurchases (Tables) | 12 Months Ended
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Dec. 31, 2020
Share Repurchases [Abstract] |
Treasury Stock | Share repurchases consisted of the following during the periods indicated:
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Shares repurchased(1) | 197,570 |  |  | 103,943 |  |  | — |
Average price per share | $ | 155.14 |  |  | $ | 141.64 |  |  | NA
Total (in thousands) | $ | 30,651 |  |  | $ | 14,723 |  |  | $ | — |
(1) Share amounts shown above include only open market repurchases and do not include shares withheld from employees for tax withholding obligations related to restricted stock vestings, which were 19,001, 27,700 and 22,981 shares for 2020, 2019 and 2018, respectively.
Dividends Declared | Cash dividends declared by the Board and paid by the Company consisted of the following during the periods indicated:
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Total quarterly cash dividends declared, per share | $ | 0.70 |  |  | $ | 2.80 |  |  | $ | 2.80 |
Total cash dividends paid (in thousands) | 11,361 |  |  | 45,552 |  |  | 45,247 |

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- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2208821 + Details
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