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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | [1] | $ 151,419 | $ 249,691
Adjustments to reconcile net income to cash flows from operating activities |  |  |
Unrealized (gain) loss on derivative instruments |  | (25,353) | 25,904
Realized and unrealized gains on investments in equity securities |  | (1,567) | (5,332)
Gain on sale of businesses |  | (645) | (4,687)
Depreciation and amortization |  | 67,292 | 64,634
Amortization of acquired wholesale energy contracts |  | 7,813 | 17,813
Allowance for equity used during construction |  | (6,135) | (3,730)
Allowance for doubtful accounts |  | 1,686 | 1,672
Deferred income taxes |  | (29,092) | 17,351
Deferred income tax benefit due to the Tax Act |  | 0 | (73,784)
Manufactured gas plant remediation costs |  | (9,582) | (13,624)
Equity in earnings, net of distributions received from equity investees |  | (2,700) | (935)
Cost of removal - asset retirement obligations |  | (194) | (93)
Contributions to postemployment benefit plans |  | (5,994) | (4,708)
Tax benefit from stock-based compensation |  | 1,289 | 2,841
Changes in: |  |  |
Components of working capital |  | (14,829) | 64,527
Other noncurrent assets |  | 16,906 | 41,793
Other noncurrent liabilities |  | 15,476 | 13,224
Cash flows from operating activities |  | 165,790 | 392,557
Expenditures for: |  |  |
Utility plant |  | (207,357) | (130,727)
Solar equipment |  | (91,333) | (88,416)
Midstream and other |  | (13,116) | (4,879)
Cost of removal |  | (32,212) | (42,683)
Distribution from equity investees in excess of equity in earnings |  | 1,473 | 2,515
Investments in equity investees |  | (2,696) | (14,496)
Cash paid related to acquisition |  | 0 | (10,000)
Proceeds from sale of businesses, net of closing costs |  | 205,745 | 27,916
Proceeds from sale of investments in equity securities, net |  | 34,484 | 6,616
Cash flows used in investing activities |  | (105,012) | (254,154)
CASH FLOWS USED IN FINANCING ACTIVITIES |  |  |
Proceeds from long-term debt |  | 35,800 | 225,000
Payments of long-term debt |  | (15,001) | (133,717)
Payments of short-term debt, net |  | (52,650) | (208,900)
Proceeds from sale-leaseback transaction |  | 9,895 | 7,820
Payments of common stock dividends |  | (77,730) | (71,334)
Proceeds from waiver discount issuance of common stock |  | 57,391 | 41,677
Proceeds from issuance of common stock |  | 13,199 | 13,572
Tax withholding payments related to net settled stock compensation |  | (6,704) | (13,625)
Cash flows used in financing activities |  | (35,800) | (139,507)
Change in cash, cash equivalents and restricted cash |  | 24,978 | (1,104)
Cash, cash equivalents and restricted cash at beginning of period |  | 1,710 | 2,469
Cash, cash equivalents and restricted cash at end of period |  | 26,688 | 1,365
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |  |
Receivables |  | 28,385 | (5,757)
Inventories |  | 51,833 | 63,838
Recovery of gas costs |  | (14,870) | 28,524
Gas purchases payable |  | (66,060) | 28,041
Prepaid and accrued taxes |  | 10,110 | (22,993)
Accounts payable and other |  | (31,883) | 5,213
Restricted broker margin accounts |  | 13,092 | (29,497)
Customers' credit balances and deposits |  | (7,832) | (745)
Other current assets |  | 2,396 | (2,097)
Components of working capital |  | (14,829) | 64,527
Cash paid for: |  |  |
Interest (net of amounts capitalized) |  | 42,107 | 35,295
Income taxes |  | 8,550 | 4,195
Accrued capital expenditures |  | 32,143 | 30,019
Inception gain on natural gas swap contract recognized as non-cash proceeds from sale of business |  | $ 0 | $ 14,579
[1] | 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.

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 + Details
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- Definition Cash outflow related to disposal costs of plants, whether by demolishing, dismantling, abandoning, sale, and so forth during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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