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Stockholders' Equity and Earnings Per Share | 6 Months Ended
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Jun. 30, 2021
Stockholders' Equity and Earnings Per Share [Abstract] |
Stockholders' Equity and Earnings Per Share | Stockholders’ Equity and Earnings Per Share The following table presents the basic and diluted EPS calculations for the three and six months ended June 30, 2021 and 2020. For more information on the calculation of EPS, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Earnings Per Share to the Consolidated Financial Statements of the Company’s 2020 Form 10-K.
($ and shares in thousands, except per share data) |  | Three Months Ended June 30, |  | Six Months Ended June 30, |  |  |
| 2021 |  | 2020 |  | 2021 |  | 2020 |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 224,742 |  |  | $ | 99,352 |  |  | $ | 429,736 |  |  | $ | 244,176 |  |  |  |
Basic weighted-average number of shares outstanding |  | 141,868 |  |  | 141,486 |  |  | 141,758 |  |  | 143,150 |  |  |  |
Basic EPS |  | $ | 1.58 |  |  | $ | 0.70 |  |  | $ | 3.03 |  |  | $ | 1.71 |  |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 224,742 |  |  | $ | 99,352 |  |  | $ | 429,736 |  |  | $ | 244,176 |  |  |  |
Basic weighted-average number of shares outstanding |  | 141,868 |  |  | 141,486 |  |  | 141,758 |  |  | 143,150 |  |  |  |
Diluted potential common shares (1) |  | 1,172 |  |  | 341 |  |  | 1,205 |  |  | 410 |  |  |  |
Diluted weighted-average number of shares outstanding (1) |  | 143,040 |  |  | 141,827 |  |  | 142,963 |  |  | 143,560 |  |  |  |
Diluted EPS |  | $ | 1.57 |  |  | $ | 0.70 |  |  | $ | 3.01 |  |  | $ | 1.70 |  |  |  |
(1)Includes dilutive shares from RSUs for the three and six months ended June 30, 2021 and 2020. For the three and six months ended June 30, 2021, two thousand and four thousand weighted-average shares of anti-dilutive RSUs, respectively, were excluded from the diluted EPS computation. In comparison, 1.2 million and 620 thousand weighted-average shares of anti-dilutive RSUs, respectively, were excluded from the diluted EPS computation for the three and six months ended June 30, 2020. Stock Repurchase Program — In 2020, the Company’s Board of Directors authorized a stock repurchase program to buy back up to $500.0 million of the Company’s common stock, and the Company repurchased 4,471,682 shares at an average price of $32.64 per share, for a total cost of $146.0 million. The Company did not repurchase any shares during the three and six months ended June 30, 2021.

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