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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income | $ 406,926 | $ 367,470 | $ 304,201
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation, depletion and amortization | 309,075 | 280,225 | 268,981
Non-cash compensation expense | 11,934 | 12,114 | 12,326
Asset retirement obligations | 4,087 | 3,926 | 3,793
Coal inventory adjustment to market | 4,895 | 1,455 | 449
Equity investment income | (2,203) | (22,189) | (13,860)
Distributions from equity method investments | 2,203 | 21,971 | 13,939
Income from equity securities paid-in-kind | (712) | (15,696) | (6,398)
Net loss (gain) on sale of property, plant and equipment | 109 | (1,285) | (696)
Asset impairment | 15,190 | 40,483 |
Acquisition gain, net | (177,043) |  |
Cash received on redemption of equity securities in excess of investment | (11,482) |  |
Valuation allowance of deferred tax assets | (413) | (1,560) | (3,339)
Debt extinguishment loss |  |  | 8,148
Other | 5,677 | 3,171 | 6,212
Changes in operating assets and liabilities: |  |  |
Trade receivables | 20,841 | 6,757 | (29,639)
Other receivables | 3,726 | (249) | 133
Inventories, net | (35,082) | (747) | (1,449)
Prepaid expenses and other assets | 6,136 | 7,387 | (6,067)
Advance royalties | (9,876) | (8,782) | (13,591)
Accounts payable | (17,671) | (813) | 25,499
Accrued taxes other than income taxes | (994) | (3,614) | 2,063
Accrued payroll and related benefits | (6,538) | 7,362 | (5,825)
Pneumoconiosis benefits | (2,292) | 1,837 | (159)
Workers' compensation | 3,845 | (4,900) | (4,371)
Other | (15,443) | 22 | (4,234)
Total net adjustments | 107,969 | 326,875 | 251,915
Net cash provided by operating activities | 514,895 | 694,345 | 556,116
Property, plant and equipment: |  |  |
Capital expenditures | (305,858) | (233,480) | (145,088)
Change in accounts payable and accrued liabilities | (81) | (1,051) | 7,404
Proceeds from sale of property, plant and equipment | 1,266 | 2,409 | 2,139
Contributions to equity method investments |  | (15,600) | (20,688)
Purchase of equity security |  |  | (100,000)
Distributions received from investments in excess of cumulative earnings | 2,501 | 2,473 | 11,462
Payments for acquisitions of businesses, net of cash acquired | (320,232) |  |
Cash received from redemption of equity securities | 134,288 |  |
Net cash used in investing activities | (488,116) | (245,249) | (244,771)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Borrowings under securitization facility | 184,500 | 304,600 | 100,000
Payments under securitization facility | (202,700) | (285,000) | (127,600)
Proceeds from equipment financings | 63,086 |  |
Payments on equipment financings | (2,607) |  |
Payment on term loan |  |  | (50,000)
Borrowings under revolving credit facilities | 400,000 | 245,000 | 215,486
Payments under revolving credit facilities | (320,000) | (100,000) | (440,486)
Borrowing under long-term debt |  |  | 400,000
Payment on long-term debt |  |  | (145,000)
Payments on finance lease obligations | (46,725) | (29,353) | (27,071)
Payment of debt issuance costs |  |  | (16,487)
Payment for debt extinguishment |  |  | (8,148)
Payments for purchases of units under unit repurchase program | (22,892) | (70,604) |
Contributions to consolidated company from affiliate noncontrolling interest |  |  | 251
Net settlement of withholding taxes on issuance of units in deferred compensation plans | (7,817) | (2,081) | (2,988)
Cash contributions by General Partner |  | 41 | 1,105
Cash contribution by affiliated entity |  | 2,142 |
Cash obtained in Simplification Transactions |  | 1,139 |
Distributions paid to Partners | (278,425) | (275,902) | (240,812)
Other | (867) | (1,684) | (2,621)
Net cash used in financing activities | (234,447) | (211,702) | (344,371)
NET CHANGE IN CASH AND CASH EQUIVALENTS | (207,668) | 237,394 | (33,026)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 244,150 | 6,756 | 39,782
CASH AND CASH EQUIVALENTS AT END OF PERIOD | $ 36,482 | $ 244,150 | $ 6,756

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
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- Definition Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition The cash outflow to reacquire common and preferred stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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