Capital Stock

6 Months Ended

Jun. 30, 2019

6.	Capital Stock

Net income per share is computed based on the weighted-average number of common shares outstanding during the periods presented. Additionally, diluted earnings per share data gives effect to all potentially dilutive common shares that were outstanding during the periods presented. For the three-month periods ended June 30, 2019 and 2018, stock options of 1.1 million and 0.3 million, respectively, and for the six-month periods ended June 30, 2019 and 2018, stock options of 1.1 million and 0.9 million, respectively, were excluded from the calculation of diluted earnings per share because they were anti-dilutive.

Dividends

In February and April 2019, the Company’s board of directors declared quarterly cash dividends of $0.37 per share. These quarterly cash dividends of $20.5 million and $20.6 million were paid on March 13, 2019, and June 12, 2019 to stockholders of record on February 25, 2019 and May 31, 2019. In August 2019, the Company’s board of directors declared a quarterly cash dividend of $0.37 per share to be paid on September 11, 2019 to stockholders of record on August 30, 2019.

Repurchase of common stock

During the three-month periods ended June 30, 2019 and 2018, the Company repurchased zero and 0.2 million shares of its Class A common stock under its stock repurchase plans for zero and $18.4 million, respectively. During the six-month periods ended June 30, 2019 and 2018, the Company repurchased 14,000 shares and 0.5 million shares of its Class A common stock under its stock repurchase plans for $0.8 million and $35.8 million, respectively. As of June 30, 2019, $470.2 million was available for repurchases under the Company’s stock repurchase plan.