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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income (loss) | $ (104,141) | $ 268,689
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 436,228 | 296,352
Asset impairment charges | 175,102 | 0
Amortization of debt discount and debt issuance costs | 4,799 | 445
Stock-based compensation | 22,837 | 23,777
Gain on investment securities | (14,084) | (102)
Gain on reimbursement of drilling equipment | (26,149) | (24,687)
Other loss on sale of assets | 2,136 | 2,718
Deferred income tax benefit | (64,649) | (23,634)
Other | 5,832 | 2,353
Change in assets and liabilities |  |
Accounts receivable | 2,299 | (6,936)
Inventories of materials and supplies | (17,538) | (20,595)
Prepaid expenses and other | (56,792) | (4,042)
Other noncurrent assets | (14,610) | (20,165)
Accounts payable | (1,108) | 21,959
Accrued liabilities | (72,884) | 7,744
Other noncurrent liabilities | 58,722 | (7,969)
Net cash provided by operating activities | 336,000 | 515,907
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Capital expenditures | (362,232) | (389,095)
Purchase of short-term investments | (111,678) | (148,451)
Purchase of long-term investments | (2,055) | (9,167)
Payment for acquisition of business, net of cash acquired | (1,838,852) | 0
Proceeds from sale of short-term investments | 373,028 | 152,034
Proceeds from sale of long-term investments | 31,990 | 0
Insurance proceeds from involuntary conversion | 2,366 | 5,533
Proceeds from asset sales | 34,923 | 35,148
Net cash used in investing activities | (1,872,510) | (353,998)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Dividends paid | (75,534) | (126,417)
Distributions to non-controlling interests | (15,380) | 0
Proceeds from debt issuance | 400,000 | 0
Debt issuance costs | (2,629) | 0
Payments for employee taxes on net settlement of equity awards | (10,759) | (12,176)
Payment of contingent consideration from acquisition of business | 0 | (6,250)
Payments on unsecured long-term debt | (73,000) | 0
Share repurchases | 0 | (51,302)
Other | (2,044) | 0
Net cash provided by (used in) financing activities | 220,654 | (196,145)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 14,322 | 0
Net decrease in cash, cash equivalents and restricted cash | (1,301,534) | (34,236)
Cash, cash equivalents and restricted cash, beginning of period | 1,528,660 | 316,238
Cash, cash equivalents and restricted cash, end of period | 227,126 | 282,002
Cash paid/(received) during the period: |  |
Interest paid | 67,724 | 8,150
Income tax paid | 164,631 | 139,594
Cash paid for amounts included in the measurement of lease liabilities: |  |
Payments for operating leases | 41,038 | 10,235
Non-cash operating and investing activities: |  |
Change in accounts payable and accrued liabilities related to purchases of property, plant and equipment | $ 11,943 | $ (9,052)

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