Capital Stock

6 Months Ended

Jun. 30, 2021

Class of Stock Disclosures [Abstract]

Capital Stock

Capital Stock

Class A and B common stock

Holders of Class B shares may, at their option, convert their shares into Class A shares at the rate of 2,400 Class A shares per Class B share.  There were no shares of Class B common stock converted into Class A common stock during the six months ended June 30, 2021 and the year ended December 31, 2020. There is no provision for conversion of Class A shares to Class B shares, and Class B shares surrendered for conversion cannot be reissued.

Stock repurchases

In 2011, our Board of Directors approved a continuation of the current stock repurchase program of $150 million, with no time limitation.  There were no shares repurchased under this program during the six months ended June 30, 2021 and the year ended December 31, 2020. We had approximately $17.8 million of repurchase authority remaining under this program at June 30, 2021.