Stock Repurchases

6 Months Ended

Jun. 30, 2012

5. Stock Repurchases

As of June 30, 2012, approximately 7.8 million shares remained available for repurchase under the share repurchase program (the “Repurchase Program”) authorized by our Board of Directors. The terms of the Repurchase Program provide that we may repurchase shares of our common stock, from time to time depending on market conditions and other considerations, in the open market or through privately negotiated transactions in accordance with Rule 10b-18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Unless earlier terminated by our Board of Directors, the Repurchase Program will expire when we repurchase all shares authorized for repurchase thereunder.

The following table sets forth information regarding the shares of our common stock that we repurchased in the periods indicated:


	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Number of shares		928,500		1,100,000		3,025,700		3,100,000
Total cost	$	61,261	$	79,423	$	207,918	$	218,520
Average cost per share	$	65.98	$	72.20	$	68.72	$	70.49