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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
OPERATING REVENUES |  |  |  |
Utility | $ 127,626 | $ 128,532 | $ 633,522 | $ 645,375
Nonutility | 239,967 | 170,442 | 990,563 | 908,249
Total operating revenues | 367,593 | 298,974 | 1,624,085 | 1,553,624
Natural gas purchases: |  |  |  |
Gas purchases - Related parties | 1,699 | 1,518 | 5,163 | 4,548
Operation and maintenance | 81,878 | 68,541 | 265,779 | 198,718
Regulatory rider expenses | 5,456 | 5,464 | 34,570 | 32,536
Depreciation and amortization | 27,767 | 27,872 | 81,977 | 80,025
Total operating expenses | 395,049 | 315,821 | 1,338,853 | 1,367,370
OPERATING (LOSS) INCOME | (27,456) | (16,847) | 285,232 | 186,254
Other income, net | 4,817 | 2,713 | 13,941 | 10,260
Interest expense, net of capitalized interest | 18,744 | 15,144 | 58,683 | 50,417
(LOSS) INCOME BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF AFFILIATES | (41,383) | (29,278) | 240,490 | 146,097
Income tax (benefit) provision | (18,785) | (6,767) | 37,713 | 25,988
Equity in (loss) earnings of affiliates | (89,233) | 3,213 | (83,754) | 10,191
NET (LOSS) INCOME | $ (111,831) | $ (19,298) | $ 119,023 | $ 130,300
(LOSS) EARNINGS PER COMMON SHARE |  |  |  |
Basic (usd per share) | $ (1.16) | $ (0.20) | $ 1.24 | $ 1.38
Diluted (usd per share) | $ (1.16) | $ (0.20) | $ 1.23 | $ 1.38
WEIGHTED AVERAGE SHARES OUTSTANDING |  |  |  |
Basic (in shares) | 96,348 | 95,764 | 96,237 | 94,420
Diluted (in shares) | 96,348 | 95,764 | 96,629 | 94,718
Regulated |  |  |  |
Natural gas purchases: |  |  |  |
Gas purchases - Utility and Nonutility | $ 41,785 | $ 45,665 | $ 211,165 | $ 249,042
Unregulated |  |  |  |
Natural gas purchases: |  |  |  |
Gas purchases - Utility and Nonutility | $ 236,464 | $ 166,761 | $ 740,199 | $ 802,501

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