REPURCHASES OF COMMON STOCK (Tables)

6 Months Ended

Jun. 30, 2011

REPURCHASES OF COMMON STOCK

The following table summarizes our repurchases of common stock during the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
Shares repurchased		2,144,067		1,619,600		3,766,852		1,619,600
Aggregate repurchase price	$	60,326,065	$	54,622,971	$	105,856,445	$	54,622,971
Average price paid per share	$	28.14	$	33.73	$	28.10	$	33.73