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Common Stock and Treasury Stock (Tables)
6 Months Ended
Jun. 30, 2015
Stockholders' Equity Note [Abstract]  
Schedule of Stock by Class
The following summarizes information relating to the number of shares of our common stock issued in connection with stock transactions through June 30, 2015:
 
 
Common Stock Issued
 
 
Class A
Class B
 
 
(Shares in thousands)
 
Balance, January 1, 2014
 
 
6,409
 
 
816
 
Exercised options
 
 
7
 
 
 
Conversion of shares
 
 
3
 
 
(3)
 
Issuance of restricted stock
 
 
27
 
 
30
 
Balance, December 31, 2014
 
 
6,446
 
 
843
 
Exercised options
 
 
29
 
 
 
Forfeitures of restricted stock
 
 
(1)
 
 
 
Balance, June 30, 2015
 
 
6,474
 
 
843