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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
OPERATING REVENUES |  |  |
Utility | $ 1,018,482 | $ 1,011,284 | $ 1,127,417
Nonutility | 778,057 | 951,710 | 1,778,562
Total operating revenues | 1,796,539 | 1,962,994 | 2,905,979
Natural gas purchases: |  |  |
Related parties | 7,147 | 7,206 | 7,395
Operation and maintenance | 394,636 | 373,568 | 361,866
Regulatory rider expenses | 60,327 | 50,542 | 59,437
Depreciation and amortization | 166,567 | 152,941 | 129,249
Total operating expenses | 1,338,435 | 1,555,994 | 2,499,504
OPERATING INCOME | 458,104 | 407,000 | 406,475
Other income, net | 41,553 | 26,083 | 22,295
Interest expense, net of capitalized interest | 130,275 | 123,014 | 85,830
INCOME BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF AFFILIATES | 369,382 | 310,069 | 342,940
Income tax provision | 84,906 | 49,275 | 76,195
Equity in earnings of affiliates | 5,299 | 3,930 | 8,177
NET INCOME | $ 289,775 | $ 264,724 | $ 274,922
EARNINGS PER COMMON SHARE |  |  |
Basic (usd per share) | $ 2.94 | $ 2.73 | $ 2.86
Diluted (usd per share) | $ 2.92 | $ 2.71 | $ 2.85
WEIGHTED AVERAGE SHARES OUTSTANDING |  |  |
Basic (in shares) | 98,634 | 97,028 | 96,100
Diluted (in shares) | 99,289 | 97,627 | 96,488
Utility |  |  |
Natural gas purchases: |  |  |
Gas purchases - Utility and Nonutility | $ 405,332 | $ 416,158 | $ 547,901
Nonutility |  |  |
Natural gas purchases: |  |  |
Gas purchases - Utility and Nonutility | $ 304,426 | $ 555,579 | $ 1,393,656

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