REPURCHASES OF COMMON STOCK

9 Months Ended

Sep. 30, 2011

REPURCHASES OF COMMON STOCK

9. 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

As of September 30, 2011, we had authorization to repurchase an additional 4,496,273 shares of our common stock under the share repurchase program approved by our Board of Directors.