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REPURCHASES OF COMMON STOCK
9 Months Ended
Sep. 30, 2011
REPURCHASES OF COMMON STOCK [Abstract] 
REPURCHASES OF COMMON STOCK
5.       REPURCHASES OF COMMON STOCK

During the three- and nine-month periods ended September 30, 2011, the Company repurchased approximately 0.4 million and 1.5 million shares of its Class A common stock under its open market repurchase plan for approximately $17.2 million and $51.0 million, respectively. During the three- and nine-month periods ended September 30, 2010, the Company repurchased approximately 0.4 million and 1.9 million shares of its Class A common stock under its open market repurchase plan for approximately $10.7 and $50.0 million, respectively.  At September 30, 2011, $102.7 million was available for repurchases under the stock repurchase program.