Stock Repurchases

3 Months Ended

Mar. 31, 2012

5. Stock Repurchases

As of March 31, 2012, 3,699,525 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 March 31,
	2012		2011
Number of shares		2,097,200		2,000,000
Total cost	$	146,657	$	139,097
Average cost per share	$	69.93	$	69.55

From April 1, 2012 through April 17, 2012, we repurchased 928,500 outstanding shares of our common stock pursuant to our existing repurchase authorization at a total cost of $61,261 or at an average cost per share of $65.98.