v3.26.1
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (72,635) $ (104,141)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 543,613 436,228
Asset impairment charges 130,340 175,102
Amortization of debt discount and debt issuance costs 4,230 4,799
Stock-based compensation 28,013 22,837
(Gain) loss on investment securities 687 (14,084)
Gain on involuntary conversion (13,581) 0
Gain on reimbursement of drilling equipment (18,099) (26,149)
Other (gain) loss on sale of assets (119,423) 2,136
Deferred income tax (28,980) (64,649)
Other (4,974) 5,832
Change in assets and liabilities    
Accounts receivable (66,165) 2,299
Inventories of materials and supplies 1,079 (17,538)
Prepaid expenses and other (900) (56,792)
Other noncurrent assets 4,087 (14,610)
Accounts payable (8,283) (1,108)
Accrued liabilities (947) (72,884)
Other noncurrent liabilities (5,384) 58,722
Net cash provided by operating activities 372,678 336,000
CASH FLOWS FROM INVESTING ACTIVITIES:    
Capital expenditures (200,198) (362,232)
Purchase of short-term investments (49,640) (111,678)
Purchase of long-term investments (2,239) (2,055)
Payment for acquisition of business, net of cash acquired 0 (1,838,852)
Proceeds from sale of short-term investments 42,542 373,028
Proceeds from sale of long-term investments 0 31,990
Insurance proceeds from involuntary conversion 2,500 2,366
Proceeds from asset sales 35,797 34,923
Proceeds from real estate asset sales 127,667 0
Other (686) 0
Net cash used in investing activities (44,257) (1,872,510)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Dividends paid (76,077) (75,534)
Distributions to non-controlling interests (15,000) (15,380)
Proceeds from debt issuance 0 400,000
Debt issuance costs 0 (2,629)
Payments for employee taxes on net settlement of equity awards (6,398) (10,759)
Payments on unsecured long-term debt (200,000) (73,000)
Other (5,145) (2,044)
Net cash provided by (used in) financing activities (302,620) 220,654
Effect of exchange rate changes on cash, cash equivalents and restricted cash (12,393) 14,322
Net increase (decrease) in cash, cash equivalents and restricted cash 13,408 (1,301,534)
Cash, cash equivalents and restricted cash, beginning of period 225,900 1,528,660
Cash, cash equivalents and restricted cash, end of period 239,308 227,126
Cash paid/(received) during the period:    
Interest paid 82,625 67,724
Income tax paid 78,493 164,631
Cash paid for amounts included in the measurement of lease liabilities:    
Payments for operating leases 25,828 41,038
Non-cash operating and investing activities:    
Change in accounts payable and accrued liabilities related to purchases of property, plant and equipment (765) 11,943
Changes in accounts receivable related to the involuntary conversion $ 22,500 $ 0