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Earnings Per Share Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Schedule of Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |
Net income | $ 118,770 | $ 152,105 | $ 264,749 | $ 251,168
Income from continuing operations | $ 118,493 | $ 151,707 | $ 265,387 | $ 250,770
Denominator for basic earnings per share—Weighted-average shares outstanding | 304,001 | 311,891 | 305,123 | 313,460
Effect of dilutive securities: |  |  |  |
Denominator for diluted earnings per share—Adjusted weighted-average shares outstanding | 304,190 | 312,719 | 305,477 | 314,360
Income from continuing operations | $ 0.39 | $ 0.49 | $ 0.87 | $ 0.80
Income from continuing operations | $ 0.39 | $ 0.49 | $ 0.87 | $ 0.80
RSUs |  |  |  |
Effect of dilutive securities: |  |  |  |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | 189 | 315 | 352 | 364
Performance Based RSU [Member] |  |  |  |
Effect of dilutive securities: |  |  |  |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | 0 | 0 | 0 | 0
Stock options |  |  |  |
Effect of dilutive securities: |  |  |  |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | 0 | 513 | 2 | 536

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