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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income (loss) | $ 127,247 | $ (114,104)
Adjustments to reconcile net income (loss) to cash provided by operating activities: |  |
Depreciation, depletion and amortization | 279,422 | 309,420
Impairment of oil and gas properties | 68,555 | 0
Deferred income tax expense (benefit) | 73,394 | (64,294)
(Gain) loss on sale of assets | 1,626 | (477)
Exploratory dry hole cost | 2,842 | 18
(Gain) loss on derivative instruments | (47,190) | 8,190
Net cash received (paid) in settlement of derivative instruments | (319) | 11,305
(Earnings) loss on equity method investments | 2,569 | (1,935)
Amortization of debt issuance costs | 2,384 | 2,692
Stock-based compensation and other | 18,198 | 17,963
Changes in assets and liabilities: |  |
Accounts receivable, net | 13,713 | 2,118
Income taxes | (6,166) | 516
Inventories | (4) | 1,362
Other current assets | (1,776) | (1,858)
Accounts payable and accrued liabilities | (4,339) | (17,194)
Interest payable | (311) | (2,078)
Other assets and liabilities | 101 | 646
Net cash provided by operating activities | 529,946 | 152,290
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (393,333) | (159,399)
Proceeds from sale of assets | 1,475 | 49,828
Investment in equity method investments | (13,626) | (18,171)
Net cash used in investing activities | (405,484) | (127,742)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Borrowings from debt | 0 | 90,000
Repayments of debt | 0 | (567,000)
Treasury stock repurchases | (68,255) | 0
Sale of common stock, net | 0 | 995,279
Dividends paid | (32,582) | (17,582)
Tax withholdings on stock award vestings | (5,672) | (5,046)
Capitalized debt issuance costs | 0 | (3,223)
Other | 39 | 0
Net cash provided by (used in) financing activities | (106,470) | 492,428
Net increase in cash and cash equivalents | 17,992 | 516,976
Cash and cash equivalents, beginning of period | 498,542 | 514
Cash and cash equivalents, end of period | $ 516,534 | $ 517,490

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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash outflow for exploration and development of oil and gas properties. It includes cash payments related to development of oil and gas wells drilled at previously untested geologic structures (to determine the presence of oil or gas) and wells drilled at sites where the presence of oil or gas has already been established (to extract the oil or gas). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the 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 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 + 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=98514028&loc=d3e3179-108585 + 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=98514028&loc=d3e3291-108585 + 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=96866604&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=68064819&loc=d3e62136-109447 + Details
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