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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 117,231 | $ 105,720
Adjustments to reconcile net income to cash provided by operating activities: |  |
Depreciation, depletion and amortization | 82,128 | 135,100
Deferred income tax expense | 64,287 | 53,289
Loss on sale of assets | 41,049 | 223
Exploratory dry hole cost | (60) | 2,842
Gain on derivative instruments | (5,577) | (33,384)
Net cash paid in settlement of derivative instruments | (26,131) | (1,524)
Loss on equity method investments | 994 | 1,283
Amortization of debt issuance costs | 1,195 | 1,189
Stock-based compensation and other | 5,184 | 8,283
Changes in assets and liabilities: |  |
Accounts receivable, net | 50,216 | (1,738)
Income taxes | (24,646) | 10,534
Inventories | (4,309) | 1,209
Other current assets | 1,023 | 1,170
Accounts payable and accrued liabilities | (14,169) | 151
Interest payable | (15,318) | (15,388)
Other assets and liabilities | (337) | 419
Net cash provided by operating activities | 272,760 | 269,378
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (156,257) | (208,384)
Proceeds from sale of assets | 646,545 | 374
Investment in equity method investments | (35,418) | (7,742)
Net cash provided by (used in) investing activities | 454,870 | (215,752)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Treasury stock repurchases | (207,134) | 0
Dividends paid | (27,647) | (9,306)
Tax withholdings on vesting of stock awards | (7,968) | (5,414)
Other | 0 | 37
Net cash used in financing activities | (242,749) | (14,683)
Net increase in cash and cash equivalents | 484,881 | 38,943
Cash and cash equivalents, beginning of period | 480,047 | 498,542
Cash and cash equivalents, end of period | $ 964,928 | $ 537,485

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- Definition The aggregate amount of noncash, equity-based employee remuneration and non-cash share-based compensation expense. This may include the value of stock options, amortization of restricted stock, and adjustments for officers compensation, as well as other non-cash expenses. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References No definition available. + 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 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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