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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, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Utility | $ 128,532 | $ 120,782 | $ 645,375 | $ 622,167
Nonutility | 170,442 | 314,160 | 908,249 | 1,490,797
Total operating revenues | 298,974 | 434,942 | 1,553,624 | 2,112,964
Depreciation and amortization | 31,216 | 23,149 | 89,758 | 67,292
Interest income | 147 | 496 | 2,054 | 1,114
Interest expense, net of capitalized interest | 15,144 | 11,648 | 50,417 | 37,643
Income tax provision (benefit) | (2,190) | (1,941) | (4,092) | (11,854)
Equity in earnings of affiliates | 3,213 | 3,495 | 10,191 | 10,027
Net financial earnings (loss) | (5,817) | (17,506) | 141,524 | 149,004
Capital expenditures | 139,890 | 146,616 | 367,239 | 344,018
Investments in equity investees | 225 | 1,239 | 1,491 | 2,696
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total operating revenues | 287,334 | 422,253 | 1,520,648 | 2,084,987
Depreciation and amortization | 30,931 | 22,952 | 89,290 | 66,889
Interest income | 608 | 1,301 | 3,722 | 3,696
Interest expense, net of capitalized interest | 14,885 | 11,909 | 50,123 | 38,478
Income tax provision (benefit) | (2,131) | (3,642) | (6,309) | (12,355)
Net financial earnings (loss) | (5,221) | (21,911) | 140,709 | 146,106
Capital expenditures | 137,928 | 145,692 | 365,262 | 342,192
Operating Segments | Natural Gas Distribution |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Utility | 128,532 | 120,782 | 645,375 | 622,167
Total operating revenues | 128,532 | 120,782 | 645,375 | 622,167
Depreciation and amortization | 18,269 | 14,689 | 53,186 | 42,557
Interest income | 135 | 187 | 378 | 567
Interest expense, net of capitalized interest | 7,455 | 6,301 | 22,760 | 18,166
Income tax provision (benefit) | 939 | (1,391) | 29,276 | 16,705
Net financial earnings (loss) | 11,968 | (3,795) | 142,160 | 96,464
Capital expenditures | 88,171 | 100,473 | 238,010 | 239,569
Operating Segments | Clean Energy Ventures |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Nonutility | 13,396 | 11,450 | 25,603 | 37,707
Total operating revenues | 13,396 | 11,450 | 25,603 | 37,707
Depreciation and amortization | 10,121 | 8,239 | 29,429 | 24,253
Interest expense, net of capitalized interest | 5,070 | 4,320 | 14,397 | 14,405
Income tax provision (benefit) | 4,193 | (1,787) | (38,432) | (39,033)
Net financial earnings (loss) | (13,891) | (7,138) | (2,817) | 24,797
Capital expenditures | 41,182 | 38,813 | 110,968 | 91,333
Operating Segments | Energy Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Nonutility | 133,740 | 290,083 | 816,003 | 1,416,837
Total operating revenues | 133,740 | 290,083 | 816,003 | 1,416,837
Depreciation and amortization | 28 | 23 | 84 | 75
Interest income | 10 | 26 | 99 | 40
Interest expense, net of capitalized interest | 517 | 766 | 2,680 | 4,277
Income tax provision (benefit) | (8,909) | (1,193) | (606) | 7,063
Net financial earnings (loss) | (6,913) | (14,030) | (9,511) | 13,644
Operating Segments | Midstream |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Nonutility | 11,143 | 0 | 29,949 | 0
Total operating revenues | 11,143 | 0 | 29,949 | 0
Depreciation and amortization | 2,513 | 1 | 6,591 | 4
Interest income | 463 | 1,088 | 3,245 | 3,089
Interest expense, net of capitalized interest | 1,843 | 522 | 10,286 | 1,630
Income tax provision (benefit) | 1,646 | 729 | 3,453 | 2,910
Equity in earnings of affiliates | 3,615 | 4,167 | 11,200 | 11,966
Net financial earnings (loss) | 3,615 | 3,052 | 10,877 | 11,201
Capital expenditures | 8,575 | 6,406 | 16,284 | 11,290
Investments in equity investees | 225 | 1,239 | 1,491 | 2,696
Intercompany |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Nonutility | 206 | 455 | 947 | 1,652
Intercompany | Energy Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Nonutility | (197) | (62) | 1,656 | 8,276
Intercompany | Midstream |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Nonutility | 720 | 0 | 2,062 | 0
Home Services and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Nonutility | 12,163 | 12,627 | 36,694 | 36,253
Total operating revenues | 12,163 | 12,627 | 36,694 | 36,253
Depreciation and amortization | 265 | 230 | 761 | 673
Interest income | 157 | 515 | 856 | 1,620
Interest expense, net of capitalized interest | 427 | 407 | 1,264 | 1,410
Income tax provision (benefit) | (131) | 1,705 | 2,044 | 854
Net financial earnings (loss) | (582) | 4,437 | 675 | 2,932
Capital expenditures | 1,962 | 924 | 1,977 | 1,826
Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Nonutility | (729) | (393) | (4,665) | (9,928)
Depreciation and amortization | 20 | (33) | (293) | (270)
Interest income | (618) | (1,320) | (2,524) | (4,202)
Interest expense, net of capitalized interest | (168) | (668) | (970) | (2,245)
Income tax provision (benefit) | 72 | (4) | 173 | (353)
Equity in earnings of affiliates | (402) | (672) | (1,009) | (1,939)
Net financial earnings (loss) | $ (14) | $ (32) | $ 140 | $ (34)

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