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Earnings Per Share Earnings Per Share (Policies)
6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Earnings Per Share, Policy
Earnings Per Share

Basic earnings per share (“Basic EPS”) has been computed using the weighted-average number of common shares outstanding during each period. Diluted earnings per share ("Diluted EPS") assumes, as of the beginning of the period, exercise of stock options and restricted stock grants using the treasury stock method. Diluted EPS also assumes conversion of performance-based restricted stock units to common shares based on the number of shares (if any) that would be issuable, according to predetermined performance and market goals, if the end of the reporting period was the end of the performance period. Certain of our stock options and restricted stock grants that would potentially dilute Basic EPS in the future were also antidilutive for the three months ended June 30, 2019 and 2018 and the six months ended June 30, 2019 and 2018 are discussed below.