UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
Current Assets:
Cash and cash equivalents	$ 166,074	$ 217,341
Restricted cash	59,412	68,902
Short-term investments	21,325	292,919
Accounts receivable, net of allowance of $16,803 and $2,977, respectively	782,625	418,604
Inventories of materials and supplies, net	329,985	117,884
Prepaid expenses and other, net	116,853	76,419
Assets held-for-sale	14,238	0
Total current assets	1,490,512	1,192,069
Investments, net	102,448	100,567
Property, plant and equipment, net	4,408,156	3,016,277
Other Noncurrent Assets:
Goodwill	166,559	45,653
Intangible assets, net	493,795	54,147
Operating lease right-of-use assets	120,213	67,076
Restricted cash	1,640	1,242,417
Other assets, net	78,680	63,692
Total other noncurrent assets	860,887	1,472,985
Total assets	6,862,003	5,781,898
Current Liabilities:
Accounts payable	240,864	135,084
Dividends payable	25,204	25,024
Accrued liabilities	536,842	286,841
Current portion of long-term debt, net	6,859	0
Total current liabilities	809,769	446,949
Noncurrent Liabilities:
Long-term debt, net	2,184,836	1,782,182
Deferred income taxes	614,633	495,481
Retirement benefit obligations	119,603	6,524
Other	266,435	133,610
Total noncurrent liabilities	3,185,507	2,417,797
Commitments and Contingencies (Note 14)
Shareholders' Equity:
Common stock, $0.10 par value, 160,000,000 shares authorized, 112,222,865 shares issued as of June 30, 2025 and September 30, 2024, and 99,434,289 and 98,755,412 shares outstanding as of June 30, 2025 and September 30, 2024, respectively	11,222	11,222
Preferred stock, no par value, 1,000,000 shares authorized, no shares issued	0	0
Additional paid-in capital	505,657	518,083
Retained earnings	2,701,649	2,883,590
Accumulated other comprehensive income (loss)	9,501	(6,350)
Treasury stock, at cost,12,788,576 shares and 13,467,453 shares as of June 30, 2025 and September 30, 2024, respectively	(464,069)	(489,393)
Non-controlling interest	102,767	0
Total shareholders’ equity	2,866,727	2,917,152
Total liabilities and shareholders' equity	$ 6,862,003	$ 5,781,898

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).