Capital Stock

6 Months Ended

Jun. 30, 2011

Capital Stock [Abstract]

CAPITAL STOCK

(11) CAPITAL STOCK

     We have authorized capital stock of 485 million shares, which includes 475 million shares of common stock and 10 million shares of preferred stock. The following is a summary of changes in the number of common shares outstanding since the beginning of 2010:

	Six Months		Year
	Ended		Ended
	June 30,		December 31,
	2011		2010
Beginning balance		159,909,052		158,118,937
Stock options/SARs exercised		558,161		991,988
Restricted stock grants		326,591		405,127
Treasury shares issued		28,903		12,771
Shares issued for acreage purchases		—		380,229
Ending balance		160,822,707		159,909,052

Treasury Stock

     The Board of Directors has approved up to $10.0 million of repurchases of common stock based on market conditions and opportunities and on June 30, 2011, we have $6.8 million remaining under this authorization.