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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2015 | Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 12,747 | $ 225,451
Adjustments to reconcile net income to cash provided by operating activities: |  |
Depreciation, depletion and amortization | 328,009 | 304,981
Deferred income tax expense | 7,160 | 118,453
(Gain) loss on sale of assets | (59) | 2,781
Exploratory dry hole cost | 178 | 2,154
(Gain) loss on derivative instruments | (27,304) | 2,329
Net cash received (paid) in settlement of derivative instruments | 88,730 | (15,262)
Amortization of debt issuance costs | 2,337 | 2,252
Stock-based compensation and other | 11,602 | 8,689
Changes in assets and liabilities: |  |
Accounts receivable, net | 99,897 | 9,588
Income taxes | (2,184) | (23,352)
Inventories | (6,397) | 5,554
Other current assets | (2,953) | 15
Accounts payable and accrued liabilities | (65,023) | (39,084)
Other assets and liabilities | (2,663) | 753
Stock-based compensation tax benefit | (5,486) | (20,354)
Net cash provided by operating activities | 438,591 | 584,948
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (645,092) | (617,613)
Acquisitions | (16,300) | 0
Proceeds from sale of assets | 3,002 | (755)
Restricted cash | 0 | 28,094
Investment in equity method investments | (10,114) | (22,230)
Net cash used in investing activities | (668,504) | (612,504)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Borrowings from debt | 642,000 | 611,000
Repayments of debt | (399,000) | (565,000)
Dividends paid | (16,537) | (16,679)
Stock-based compensation tax benefit | 5,486 | 20,354
Capitalized debt issuance costs | (7,838) | 0
Other | 79 | 91
Net cash provided by financing activities | 224,190 | 49,766
Net (decrease) increase in cash and cash equivalents | (5,723) | 22,210
Cash and cash equivalents, beginning of period | 20,954 | 23,400
Cash and cash equivalents, end of period | 15,231 | 45,610
Supplemental Cash Flow Information [Abstract] |  |
Change in accrued capital expenditures | $ (134,875) | $ (32,616)

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- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Dry hole costs from oil and gas producing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 25 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56951519&loc=d3e64954-109465 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 23 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51678428&loc=d3e62136-109447 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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