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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income (loss) | $ 261,185 | $ (56,338)
Adjustment for (income) loss from discontinued operations | (857) | 383
Income (loss) from continuing operations | 260,328 | (55,955)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 192,910 | 203,374
Asset impairment charges | 12,097 | 4,363
Amortization of debt discount and debt issuance costs | 664 | 559
Loss on extinguishment of debt | 0 | 60,083
Provision for credit loss | 3,222 | 669
Stock-based compensation | 15,704 | 14,163
Gain on investment securities | (24,661) | (69,994)
Gain on reimbursement of drilling equipment | (27,298) | (11,702)
Other (gain) loss on sale of assets | (4,898) | 313
Deferred income tax expense (benefit) | 3,165 | (11,597)
Other | 2,024 | (4,287)
Change in assets and liabilities: |  |
Accounts receivable | (70,680) | (103,751)
Inventories of materials and supplies | (12,116) | 158
Prepaid expenses and other | (16,387) | (4,068)
Other noncurrent assets | (1,060) | 10,375
Accounts payable | 33,610 | 32,138
Accrued liabilities | (42,614) | (29,322)
Deferred income tax liability | (711) | 196
Other noncurrent liabilities | 3,006 | (16,777)
Net cash provided by operating activities from continuing operations | 326,305 | 18,938
Net cash used in operating activities from discontinued operations | (51) | (42)
Net cash provided by operating activities | 326,254 | 18,896
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Capital expenditures | (181,479) | (104,482)
Other capital expenditures related to assets held-for-sale | 0 | (10,550)
Purchase of short-term investments | (64,418) | (68,565)
Purchase of long-term investments | (18,771) | (14,124)
Proceeds from sale of short-term investments | 97,744 | 117,456
Proceeds from asset sales | 47,718 | 34,944
Net cash used in investing activities | (119,206) | (45,321)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Dividends paid | (102,941) | (54,007)
Payments for employee taxes on net settlement of equity awards | (14,410) | (5,503)
Payment of contingent consideration from acquisition of business | (250) | (250)
Payments for early extinguishment of long-term debt | 0 | (487,148)
Make-whole premium payment | 0 | (56,421)
Share repurchases | (145,013) | (76,999)
Other | (540) | (587)
Net cash used in financing activities | (263,154) | (680,915)
Net decrease in cash and cash equivalents and restricted cash | (56,106) | (707,340)
Cash and cash equivalents and restricted cash, beginning of period | 269,009 | 936,716
Cash and cash equivalents and restricted cash, end of period | 212,903 | 229,376
Cash paid during the period: |  |
Interest paid | 8,919 | 10,798
Income tax paid | 118,090 | 695
Income tax received | 25,687 | 62
Payments for operating leases | 5,970 | 6,069
Non-cash operating and investing activities: |  |
Change in accounts payable and accrued liabilities related to purchases of property, plant and equipment | $ 601 | $ (2,431)

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- Definition Amount of cash inflow from the sale of tangible or intangible assets used to produce goods or deliver services, 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 12 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 + 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, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + 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 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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