REPURCHASES OF COMMON STOCK

6 Months Ended

Jun. 30, 2012

REPURCHASES OF COMMON STOCK [Abstract]

REPURCHASES OF COMMON STOCK

5.   REPURCHASES OF COMMON STOCK

During the three- and six-month periods ended June 30, 2012, the Company repurchased approximately 2.4 million and 2.5 million shares of its Class A common stock under its open market repurchase plan for approximately $107.8 million and $113.3 million, respectively. During the three- and six- month periods ended June 30, 2011, the Company repurchased approximately 0.4 million and 1.1 million shares of its Class A common stock under its open market repurchase plan for approximately $11.8 million and $33.8 million.  At June 30, 2012, $219.9 million was available for repurchases under the stock repurchase program. On May 1, 2012, the Company's board of directors authorized a $250.0 million extension of the Company's ongoing share repurchase authorization.