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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended | 45 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cash Flows From Operating Activities |  |  |  |
Net income | $ 815,600,000 | $ 1,319,100,000 | $ 371,400,000 |
Loss (income) from discontinued operations, net of income taxes | 400,000 | (1,700,000) | (24,000,000.0) |
Income from continuing operations, net of income taxes | 816,000,000.0 | 1,317,400,000 | 347,400,000 |
Adjustments to reconcile income from continuing operations, net of income taxes to net cash provided by operating activities: |  |  |  |
Depreciation, depletion and amortization | 321,400,000 | 317,600,000 | 308,700,000 |
Noncash interest expense, net | 4,600,000 | 17,700,000 | 21,300,000 |
Deferred income taxes | 82,900,000 | (81,600,000) | (7,500,000) |
Noncash share-based compensation | 6,900,000 | 8,400,000 | 10,000,000.0 |
Noncash provision for NARM and Shoal Creek losses | 33,700,000 | 0 | 0 |
Asset impairment | 2,000,000.0 | 11,200,000 | 0 |
Net gain on disposals | (15,000,000.0) | (29,200,000) | (31,500,000) |
Noncash income from port and rail capacity assignment | (9,600,000) | 0 | 0 |
Net loss (gain) on early debt extinguishment | 8,800,000 | 57,900,000 | (33,200,000) |
Income from equity affiliates | (6,900,000) | (131,200,000) | (82,100,000) |
Foreign currency option contracts | (7,400,000) | 2,300,000 | 5,800,000 |
Changes in current assets and liabilities: |  |  |  |
Accounts receivable | 88,400,000 | (115,000,000.0) | (105,600,000) |
Inventories | (59,700,000) | (69,400,000) | 35,000,000.0 |
Other current assets | 900,000 | (29,300,000) | (57,600,000) |
Accounts payable and accrued expenses | 120,200,000 | 68,000,000.0 | 128,100,000 |
Collateral arrangements | (199,600,000) | (53,300,000) | (6,300,000) |
Asset retirement obligations | (10,300,000) | (22,300,000) | 6,800,000 |
Workers’ compensation obligations | 1,200,000 | (900,000) | (2,000,000.0) |
Postretirement benefit obligations | (61,900,000) | (109,300,000) | (108,200,000) |
Pension obligations | (1,300,000) | 18,600,000 | 11,600,000 |
Other, net | 1,000,000.0 | 2,700,000 | 0 |
Net cash provided by continuing operations | 1,116,300,000 | 1,180,300,000 | 440,700,000 |
Net cash used in discontinued operations | (80,800,000) | (6,700,000) | (20,700,000) |
Net cash provided by operating activities | 1,035,500,000 | 1,173,600,000 | 420,000,000.0 |
Cash Flows From Investing Activities |  |  |  |
Additions to property, plant, equipment and mine development | (348,300,000) | (221,500,000) | (183,100,000) |
Changes in accrued expenses related to capital expenditures | 2,900,000 | (2,700,000) | 7,400,000 |
Proceeds from disposal of assets, net of receivables | 22,800,000 | 40,600,000 | 17,800,000 |
Contributions to joint ventures | (741,600,000) | (645,900,000) | (485,600,000) |
Distributions from joint ventures | 721,700,000 | 631,600,000 | 470,800,000 |
Advances to related parties | (500,000) | (1,500,000) | (500,000) |
Cash receipts from Middlemount Coal Pty Ltd and other related parties | 2,600,000 | 171,800,000 | 44,700,000 |
Other, net | (2,200,000) | (1,100,000) | (3,000,000.0) |
Net cash used in investing activities | (342,600,000) | (28,700,000) | (131,500,000) |
Cash Flows From Financing Activities |  |  |  |
Proceeds from long-term debt | 0 | 545,000,000.0 | 0 |
Repayments of long-term debt | (9,000,000.0) | (1,407,400,000) | (285,300,000) |
Payment of debt issuance and other deferred financing costs | (300,000) | (21,100,000) | (22,500,000) |
Proceeds from common stock issuances, net of costs | 0 | 222,000,000.0 | 269,800,000 |
Common stock repurchases | (347,700,000) | 0 | 0 | $ (1,340,300,000)
Repurchase of employee common stock relinquished for tax withholding | (13,700,000) | (2,600,000) | (1,400,000) |
Dividends paid | (30,600,000) | 0 | 0 |
Distributions to noncontrolling interests | (59,000,000.0) | (17,500,000) | (4,000,000.0) |
Net cash used in financing activities | (460,300,000) | (681,600,000) | (43,400,000) |
Net change in cash, cash equivalents and restricted cash | 232,600,000 | 463,300,000 | 245,100,000 |
Cash and cash equivalents | 969,300,000 | 1,307,300,000 |  |
Restricted cash included in “Restricted cash and collateral” | 680,900,000 | 110,300,000 |  |
Cash, cash equivalents and restricted cash at beginning of period (1) | 1,417,600,000 | 954,300,000 | 709,200,000 |
Cash, cash equivalents and restricted cash at end of period (2) | $ 1,650,200,000 | $ 1,417,600,000 | $ 954,300,000 | $ 709,200,000

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