Annual report pursuant to Section 13 and 15(d)

Condensed Consolidating Statement of Cash Flows (Detail)

v2.4.0.6
Condensed Consolidating Statement of Cash Flows (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Operating activities:      
Net income $ 71,984 $ 172,817 $ 117,892
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation, depletion, amortization and accretion 356,232 328,786 294,100
Amortization of debt issuance costs and premium 2,575 2,010 1,338
Loss on extinguishment of debt    22,694   
Share-based compensation 12,398 9,710 5,533
Derivative (gain) loss 13,954 (1,896) 4,256
Cash payments on derivative settlements (7,664) (9,873) 874
Deferred income taxes 88,109 61,835 (8,266)
Changes in operating assets and liabilities:      
Oil and natural gas receivables 818 (18,639) (24,933)
Joint interest and other receivables (31,399) 375 25,897
Insurance receivables 2,576 20,771 54,873
Income taxes (58,011) (7,124) 104,067
Prepaid expenses and other assets 7,440 (7,809) 4,536
Asset retirement obligations (112,827) (59,958) (87,166)
Accounts payable and accrued liabilities 38,026 7,881 (31,885)
Other liabilities 926 (102) 3,656
Net cash provided by operating activities 385,137 521,478 464,772
Investing activities:      
Acquisition of property interest in oil and natural gas properties (205,550) (437,247) (236,944)
Investment in oil and natural gas properties and equipment (479,313) (281,779) (178,709)
Proceeds from sales of oil and natural gas properties and equipment 30,453 15 1,420
Purchases of furniture, fixtures, misc. sales and other (3,031) (3,645) (760)
Net cash used in investing activities (657,441) (722,671) (414,993)
Financing activities:      
Issuance of 8.50% Senior Notes 318,000 600,000   
Repurchase of 8.25% Senior Notes    (450,000)   
Borrowings of long-term debt - revolving bank credit facility 732,000 623,000 627,500
Repayments of long-term debt - revolving bank credit facility (679,000) (506,000) (627,500)
Repurchase premium and debt issuance costs (8,510) (32,288)   
Dividends to shareholders (82,832) (58,756) (59,609)
Other 379 1,094 298
Net cash provided by (used in) financing activities 280,037 177,050 (59,311)
Increase (Decrease) in cash and cash equivalents 7,733 (24,143) (9,532)
Cash and cash equivalents, beginning of period 4,512 28,655 38,187
Cash and cash equivalents, end of period 12,245 4,512 28,655
Parent Company
      
Operating activities:      
Net income 71,984 172,817 117,892
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation, depletion, amortization and accretion 271,270 241,687 266,227
Amortization of debt issuance costs and premium 2,575 2,010 1,338
Loss on extinguishment of debt   22,694  
Share-based compensation 12,398 9,710 5,533
Derivative (gain) loss 13,954 (1,896) 4,256
Cash payments on derivative settlements (7,664) (9,873) 874
Deferred income taxes 83,981 76,717 (5,511)
Earnings of affiliates (66,195) (92,533) (32,110)
Changes in operating assets and liabilities:      
Oil and natural gas receivables (2,597) (27,709) 4,556
Joint interest and other receivables (31,399) 375 25,897
Insurance receivables 2,576 20,771 54,873
Income taxes (89,568) (71,655) 84,023
Prepaid expenses and other assets 7,442 (8,003) 4,536
Asset retirement obligations (112,199) (59,958) (87,166)
Accounts payable and accrued liabilities 40,530 8,589 (35,278)
Other liabilities 119,244 227,918 50,816
Net cash provided by operating activities 316,332 511,661 460,756
Investing activities:      
Acquisition of property interest in oil and natural gas properties (205,550) (437,247)  
Investment in oil and natural gas properties and equipment (410,508) (277,147) (174,693)
Proceeds from sales of oil and natural gas properties and equipment 30,453   1,420
Investment in subsidiary   5,185 (236,944)
Purchases of furniture, fixtures, misc. sales and other (3,031) (3,645) (760)
Net cash used in investing activities (588,636) (712,854) (410,977)
Financing activities:      
Issuance of 8.50% Senior Notes 318,000 600,000  
Repurchase of 8.25% Senior Notes   (450,000)  
Borrowings of long-term debt - revolving bank credit facility 732,000 623,000 627,500
Repayments of long-term debt - revolving bank credit facility (679,000) (506,000) (627,500)
Repurchase premium and debt issuance costs (8,510) (32,288)  
Dividends to shareholders (82,832) (58,756) (59,609)
Other 379 1,094 298
Net cash provided by (used in) financing activities 280,037 177,050 (59,311)
Increase (Decrease) in cash and cash equivalents 7,733 (24,143) (9,532)
Cash and cash equivalents, beginning of period 4,512 28,655 38,187
Cash and cash equivalents, end of period 12,245 4,512 28,655
Guarantor Subsidiaries
      
Operating activities:      
Net income 66,195 92,533 32,110 [1]
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation, depletion, amortization and accretion 84,962 87,099 27,873 [1]
Deferred income taxes 4,128 (14,882) (2,755) [1]
Changes in operating assets and liabilities:      
Oil and natural gas receivables 3,415 9,070 (29,489) [1]
Income taxes 31,557 64,531 20,044 [1]
Prepaid expenses and other assets (118,320) (228,020) (47,160) [1]
Asset retirement obligations (628)    
Accounts payable and accrued liabilities (2,504) (514) 3,393 [1]
Net cash provided by operating activities 68,805 9,817 4,016 [1]
Investing activities:      
Acquisition of property interest in oil and natural gas properties     (236,944) [1]
Investment in oil and natural gas properties and equipment (68,805) (4,632) (4,016) [1]
Net cash used in investing activities (68,805) (4,632) (240,960) [1]
Financing activities:      
Investment from parent   (5,185) 236,944 [1]
Net cash provided by (used in) financing activities   (5,185) 236,944 [1]
Eliminations
      
Operating activities:      
Net income (66,195) (92,533) (32,110)
Adjustments to reconcile net income to net cash provided by operating activities:      
Earnings of affiliates 66,195 92,533 32,110
Changes in operating assets and liabilities:      
Prepaid expenses and other assets 118,318 228,214 47,160
Accounts payable and accrued liabilities   (194)  
Other liabilities (118,318) (228,020) (47,160)
Investing activities:      
Investment in subsidiary   (5,185) 236,944
Net cash used in investing activities   (5,185) 236,944
Financing activities:      
Investment from parent   5,185 (236,944)
Net cash provided by (used in) financing activities   $ 5,185 $ (236,944)
[1] Began operations on May 1, 2010.