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DIVIDENDS PER SHARE
9 Months Ended
Sep. 30, 2012
DIVIDENDS PER SHARE [Abstract]  
DIVIDENDS PER SHARE
3.     DIVIDENDS PER SHARE

In January, May and July 2012, the Company's board of directors declared quarterly cash dividends of $0.20 per share for all shares of Class A common stock. These quarterly cash dividends totaling $12.5 million, $12.3 million and $11.9 million, were paid on March 14, 2012, June 13, 2012 and September 12, 2012, to stockholders of record on February 24, 2012, May 25, 2012 and August 24, 2012, respectively. In October 2012, the Company's board of directors declared a quarterly cash dividend of $0.20 per share to be paid December 5, 2012 to stockholders of record on November 14, 2012.