XML 64 R2.htm IDEA: XBRL DOCUMENT v2.4.0.6
CONSOLIDATED BALANCE SHEET (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Current assets    
Cash and cash equivalents $ 30,736 $ 29,911
Accounts receivable, net 172,419 114,381
Income taxes receivable   1,388
Inventories 14,173 21,278
Derivative instruments 50,824 174,263
Other current assets 2,158 4,579
Total current assets 270,310 345,800
Properties and equipment, net (Successful efforts method) 4,310,977 3,934,584
Derivative instruments   21,249
Other assets 35,026 29,860
TOTAL ASSETS 4,616,313 4,331,493
Current liabilities    
Accounts payable 312,480 217,294
Current portion of long-term debt 75,000  
Income taxes payable 1,667  
Deferred income taxes 5,203 55,132
Accrued liabilities 49,789 70,918
Total current liabilities 444,139 343,344
Postretirement benefits 38,864 38,708
Long-term debt 1,012,000 950,000
Deferred income taxes 882,672 802,592
Asset retirement obligation 67,016 60,142
Other liabilities 40,175 31,939
Total liabilities 2,484,866 2,226,725
Commitments and contingencies      
Stockholders' equity    
Common stock: Authorized - 480,000,000 shares of $0.10 par value in 2012 and 240,000,000 shares of $0.10 par value in 2011 Issued - 210,429,731 shares and 209,019,458 shares in 2012 and 2011, respectively 21,043 20,902
Additional paid-in capital 716,609 724,377
Retained earnings 1,373,264 1,258,291
Accumulated other comprehensive income 23,880 104,547
Less treasury stock, at cost: 404,400 shares in 2012 and 2011, respectively (3,349) (3,349)
Total stockholders' equity 2,131,447 2,104,768
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 4,616,313 $ 4,331,493