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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 149,631 | $ 123,635
Adjustments to reconcile net income to cash flows from operating activities |  |
Unrealized (gain) loss on derivative instruments | (26,553) | 2,035
Gain on sale of property and available for sale securities, net | 7,287 | 0
Depreciation and amortization | 39,588 | 34,226
Allowance for equity used during construction | (1,586) | (2,357)
Allowance for bad debt expense | 519 | 873
Deferred income taxes | 32,202 | 17,980
Manufactured gas plant remediation costs | (3,704) | (2,656)
Distributions received from equity investees, net of equity in earnings | (463) | 2,261
Cost of removal - asset retirement obligations | (242) | (66)
Contributions to postemployment benefit plans | (1,884) | (32,167)
Tax benefit from stock-based compensation | 1,231 | 1,660
Changes in: |  |
Components of working capital | (31,231) | (13,788)
Other noncurrent assets | 24,580 | (15,794)
Other noncurrent liabilities | (2,997) | 2,163
Cash flows from operating activities | 171,804 | 118,005
CASH FLOWS (USED IN) INVESTING ACTIVITIES |  |
Utility plant | (58,761) | (76,326)
Solar and wind equipment | (89,905) | (70,882)
Real estate properties and other | (516) | (1,069)
Cost of removal | (14,838) | (20,080)
Investments in equity investees | (10,538) | (5,948)
Distribution from equity investees in excess of equity in earnings | 1,273 | 1,131
Withdrawal from restricted cash construction fund | 1,337 | 1,007
Proceeds from sale of property, net of closing costs | 9,443 | 748
Proceeds from sale of available for sale securities | 6,639 | 0
Cash flows (used in) investing activities | (155,866) | (171,419)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Net proceeds from short-term debt | 116,200 | 86,150
Payments of long-term debt | (41,660) | (5,807)
Proceeds from sale-leaseback transaction | 9,587 | 7,107
Payments of common stock dividends | (43,898) | (41,115)
Proceeds from issuance of common stock | 9,731 | 8,220
Purchases of treasury stock | (6,355) | (1,008)
Tax withholding payments related to net settled stock compensation | (4,354) | (3,181)
Cash flows from financing activities | 39,251 | 50,366
Change in cash and cash equivalents | 55,189 | (3,048)
Cash and cash equivalents at beginning of period | 37,546 | 4,928
Cash and cash equivalents at end of period | 92,735 | 1,880
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |
Receivables | (137,408) | (16,750)
Inventories | 62,321 | 43,479
Recovery of gas costs | (9,616) | (20,396)
Gas purchases payable | 21,156 | (31,324)
Gas purchases payable - related parties | 3 | (409)
Prepaid and accrued taxes | 25,829 | 43,154
Accounts payable and other | (10,027) | (25,026)
Restricted broker margin accounts | 28,432 | (12,478)
Customers' credit balances and deposits | (12,765) | 226
Other current assets | 844 | 5,736
Components of working capital | (31,231) | (13,788)
Cash paid (received) for: |  |
Interest (net of amounts capitalized) | 21,578 | 15,647
Income taxes | (6,431) | 688
Accrued capital expenditures | $ 23,284 | $ 21,663

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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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