Earnings Per Share |
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| Earnings Per Share [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Earnings Per Share |
EARNINGS PER SHARE
Earnings per share ("EPS") is presented on both a basic and diluted basis. Basic EPS is based on the weighted average number of common shares outstanding. Diluted EPS reflects the potential dilution that could occur if outstanding securities or other contracts to issue common stock were exercised or converted into common stock.
A reconciliation of common shares used in the denominator for computing basic and diluted EPS is as follows (in thousands, except per share amounts):
Stock options and service-based restricted stock units representing 2,641,676 and 2,793,715 shares of common stock for the three months ended June 30, 2017 and 2016, respectively, were outstanding but were excluded from the computation of diluted EPS because their effect would have been anti-dilutive due to a net loss in the period. Stock options and service-based restricted stock units representing 862,559 and 471,964 shares of common stock for the six months ended June 30, 2017 and 2016, respectively, were outstanding but were excluded from the computation of diluted EPS because their effect would be anti-dilutive as a result of applying the treasury stock method. In addition, performance-based restricted stock units representing 50,403 and 76,742 shares of common stock for the three months ended June 30, 2017 and 2016, respectively, and 46,485 and 69,472 shares of common stock for the six months ended June 30, 2017 and 2016, respectively, were outstanding but were excluded from the computation of diluted EPS because these shares were subject to performance conditions that had not been met.
Common Stock Repurchase Plan
Since the inception of the Company's stock repurchase plan in 2004 through June 30, 2017, the Company's Board of Directors has authorized the repurchase of $700,000,000 of the Company's common stock. Shares of the Company's common stock may be purchased in the open market or through privately negotiated transactions, subject to market conditions. The repurchase program does not obligate the Company to acquire any specific number of shares or to acquire shares over any specified period of time. As of June 30, 2017, the Company had repurchased 21,658,035 shares under this program at an aggregate purchase price of approximately $562,064,000. During the three and six months ended June 30, 2017, the Company repurchased 48,943 and 665,095 shares of the Company's common stock at an aggregate purchase price of $2,542,000 and $35,542,000, respectively. During the three and six months ended June 30, 2016, the Company did not repurchase any shares of the Company's common stock.
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