REPURCHASES OF COMMON STOCK (Tables)

9 Months Ended

Sep. 30, 2011

REPURCHASES OF COMMON STOCK

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Shares repurchased		2,094,028		114,072		5,860,880		1,733,672
Aggregate repurchase price	$	49,960,683	$	3,601,798	$	155,817,128	$	58,224,769
Average price paid per share	$	23.86	$	31.57	$	26.59	$	33.58