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REPORTING SEGMENT AND OTHER OPERATIONS DATA - RECONCILIATION OF SEGMENT INCOME TO CONSOLIDATED (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Utility |  | $ 120,782 |  | $ 104,538 |  | $ 622,167 | $ 631,389 |
Nonutility |  | 314,160 |  | 438,897 |  | 1,490,797 | 1,636,394 |
Total operating revenues |  | 434,942 |  | 543,435 |  | 2,112,964 | 2,267,783 |
Depreciation and amortization |  | 23,149 |  | 20,320 |  | 67,292 | 64,634 |
Interest income | [1] | 496 |  | 202 |  | 1,114 | 452 |
Interest expense, net of capitalized interest |  | 11,648 |  | 11,037 |  | 37,643 | 34,740 |
Income tax provision (benefit) |  | (1,941) |  | (28,534) |  | (11,854) | (47,801) |
Equity in earnings of affiliates |  | 3,495 |  | 3,213 |  | 10,027 | 9,670 |
Net financial (loss) earnings | [2] | (17,506) |  | (8,003) |  | 149,004 | 269,392 |
Capital expenditures |  | 146,616 |  | 101,767 |  | 344,018 | 266,705 |
Investments in equity investees |  | 1,239 |  | 3,319 |  | 2,696 | 14,496 |
Operating Segments |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Total operating revenues |  | 422,253 |  | 529,291 |  | 2,084,987 | 2,286,298 |
Depreciation and amortization |  | 22,952 |  | 20,197 |  | 66,889 | 64,228 |
Interest income | [1] | 1,301 |  | 1,281 |  | 3,696 | 3,072 |
Interest expense, net of capitalized interest |  | 11,909 |  | 11,986 |  | 38,478 | 36,751 |
Income tax provision (benefit) |  | (3,642) |  | (29,676) |  | (12,355) | (58,695) |
Net financial (loss) earnings |  | (21,911) |  | (9,979) |  | 146,106 | 277,805 |
Capital expenditures |  | 145,692 |  | 101,022 |  | 342,192 | 265,405 |
Operating Segments | Natural Gas Distribution |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Utility |  | 120,782 |  | 104,538 |  | 622,167 | 631,389 |
Depreciation and amortization |  | 14,689 |  | 13,473 |  | 42,557 | 39,609 |
Interest income |  | 187 | [1] | 202 | [1] | 567 | 452 | [1]
Interest expense, net of capitalized interest |  | 6,301 |  | 6,226 |  | 18,166 | 19,285 |
Income tax provision (benefit) |  | (1,391) |  | (25,314) |  | 16,705 | 4,381 |
Net financial (loss) earnings |  | (3,795) |  | 2,440 |  | 96,464 | 96,991 |
Capital expenditures |  | 100,473 |  | 70,623 |  | 239,569 | 173,410 |
Operating Segments | Clean Energy Ventures |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Nonutility |  | 11,450 |  | 15,348 |  | 37,707 | 42,210 |
Depreciation and amortization |  | 8,239 |  | 6,702 |  | 24,253 | 24,565 |
Interest expense, net of capitalized interest |  | 4,320 |  | 4,708 |  | 14,405 | 13,260 |
Income tax provision (benefit) |  | (1,787) |  | (565) |  | (39,033) | (87,275) |
Net financial (loss) earnings |  | (7,138) |  | (829) |  | 24,797 | 80,472 |
Capital expenditures |  | 38,813 |  | 29,424 |  | 91,333 | 88,416 |
Operating Segments | Energy Services |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Nonutility | [3] | 290,083 |  | 409,417 |  | 1,416,837 | 1,563,063 |
Depreciation and amortization | [4] | 23 |  | 21 |  | 75 | 50 |
Interest income |  | 26 | [1] | 134 | [1] | 40 | 240 | [1]
Interest expense, net of capitalized interest |  | 766 |  | 581 |  | 4,277 | 3,041 |
Income tax provision (benefit) |  | (1,193) |  | (4,786) |  | 7,063 | 32,922 |
Net financial (loss) earnings |  | (14,030) |  | (15,079) |  | 13,644 | 78,027 |
Operating Segments | Midstream |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Depreciation and amortization |  | 1 |  | 1 |  | 4 | 4 |
Interest income |  | 1,088 | [1] | 945 | [1] | 3,089 | 2,380 | [1]
Interest expense, net of capitalized interest |  | 522 |  | 471 |  | 1,630 | 1,165 |
Income tax provision (benefit) |  | 729 |  | 989 |  | 2,910 | (8,723) |
Equity in earnings of affiliates |  | 4,167 |  | 3,907 |  | 11,966 | 12,104 |
Net financial (loss) earnings |  | 3,052 |  | 3,489 |  | 11,201 | 22,315 |
Capital expenditures |  | 6,406 |  | 975 |  | 11,290 | 3,579 |
Investments in equity investees |  | 1,239 |  | 3,319 |  | 2,696 | 14,496 |
Intercompany |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Nonutility |  | 455 |  | 627 |  | 1,652 | 1,856 |
Intercompany | Energy Services |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Nonutility |  | (62) |  | (12) |  | 8,276 | 49,636 |
Home Services and Other |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Nonutility |  | 12,627 |  | 14,132 |  | 36,253 | 31,121 |
Depreciation and amortization |  | 230 |  | 193 |  | 673 | 570 |
Interest income |  | 515 | [1] | 340 | [1] | 1,620 | 898 | [1]
Interest expense, net of capitalized interest |  | 407 |  | (129) |  | 1,410 | (18) |
Income tax provision (benefit) |  | 1,705 |  | 1,122 |  | 854 | 11,539 |
Net financial (loss) earnings |  | 4,437 |  | 1,993 |  | 2,932 | (8,211) |
Capital expenditures |  | 924 |  | 745 |  | 1,826 | 1,300 |
Eliminations |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Nonutility |  | (393) |  | (615) |  | (9,928) | (51,492) |
Depreciation and amortization |  | (33) |  | (70) |  | (270) | (164) |
Interest income |  | (1,320) | [1] | (1,419) | [1] | (4,202) | (3,518) | [1]
Interest expense, net of capitalized interest |  | (668) |  | (820) |  | (2,245) | (1,993) |
Income tax provision (benefit) |  | (4) |  | 20 |  | (353) | (645) |
Equity in earnings of affiliates |  | (672) |  | (694) |  | (1,939) | (2,434) |
Net financial (loss) earnings |  | $ (32) |  | $ (17) |  | $ (34) | $ (202) |
[1] | Included in other income, net on the Unaudited Condensed Consolidated Statements of Operations.
[2] | Includes income tax benefit related to the Tax Act of $844,000 and $57.7 million, for the three and nine months ended June 30, 2018, respectively.
[3] | Includes sales to Canada, which are immaterial
[4] | The amortization of acquired wholesale energy contracts is excluded above and is included in gas purchases - nonutility on the Unaudited Condensed Consolidated Statements of Operations.

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