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Stockholders' Equity | 6 Months Ended
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Jun. 30, 2019
Equity [Abstract] |
Stockholders' Equity | Stockholders’ Equity On June 2, 2016, our Board of Directors authorized a stock repurchase program of up to $100.0 million (the “Repurchase Program”). On each of May 18, 2017, December 1, 2017 and February 21, 2019, our Board of Directors authorized an additional $100.0 million, respectively, increasing the Repurchase Program to an aggregate authorization of $400.0 million. No time limit has been established for the completion of the Repurchase Program, and the Repurchase Program may be suspended, discontinued or replaced by the Board of Directors at any time without prior notice. As of June 30, 2019, we have $102.4 million available under the Repurchase Program to repurchase additional shares. The following table details our stock repurchases under the Repurchase Program:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Shares of common stock repurchased and retired | 580 |  |  | — |  |  | 908 |  |  | 337 |
Average price paid per share | $ | 83.34 |  |  | $ | — |  |  | $ | 77.33 |  |  | $ | 42.17 |
Total cost | $ | 48,320 |  |  | $ | — |  |  | $ | 70,197 |  |  | $ | 14,213 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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