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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
CASH FLOWS (USED IN) OPERATING ACTIVITIES |  |
Net income | $ 34,929 | $ 50,282
Adjustments to reconcile net income to cash flows from operating activities |  |
Unrealized loss (gain) on derivative instruments | 28,302 | (1,135)
Depreciation and amortization | 19,260 | 16,482
Allowance for equity used during construction | (584) | (1,215)
Allowance for bad debt expense | 230 | 334
Deferred income taxes | 16,262 | 46,166
Manufactured gas plant remediation costs | (1,619) | (1,520)
Distributions received from equity investees, net of equity in earnings | 1,101 | 1,139
Cost of removal - asset retirement obligations | (198) | (33)
Contributions to postemployment benefit plans | (1,712) | (30,144)
Tax benefit from stock-based compensation | 1,188 | 1,635
Changes in: |  |
Components of working capital | (150,480) | (102,068)
Other noncurrent assets | 7,242 | (20,270)
Other noncurrent liabilities | 15 | 4,173
Cash flows (used in) operating activities | (46,064) | (36,174)
CASH FLOWS (USED IN) INVESTING ACTIVITIES |  |
Utility plant | (31,396) | (42,465)
Solar and wind equipment | (46,785) | (45,006)
Real estate properties and other | (171) | (797)
Cost of removal | (7,459) | (6,575)
Investments in equity investees | (4,636) | (2,846)
Distribution from equity investees in excess of equity in earnings | 688 | 555
Withdrawal from restricted cash construction fund | 0 | 1,001
Proceeds from sale of investment | 3,218 | 0
Proceeds from sale of property | 0 | 748
Cash flows (used in) investing activities | (86,541) | (95,385)
CASH FLOWS FROM FROM FINANCING ACTIVITIES |  |
Net proceeds from short-term debt | 162,900 | 144,650
Payments of long-term debt | (2,716) | (2,676)
Proceeds from sale-leaseback transaction | 9,587 | 7,107
Payments of common stock dividends | (21,931) | (20,524)
Proceeds from issuance of common stock | 4,616 | 3,807
Purchases of treasury stock | (6,355) | (1,008)
Tax withholding payments related to net settled stock compensation | (4,167) | (3,042)
Cash flows from financing activities | 141,934 | 128,314
Change in cash and cash equivalents | 9,329 | (3,245)
Cash and cash equivalents at beginning of period | 37,546 | 4,928
Cash and cash equivalents at end of period | 46,875 | 1,683
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |
Receivables | (152,180) | (27,784)
Inventories | (13,954) | (26,772)
Recovery of gas costs | (2,472) | (11,882)
Gas purchases payable | 47,767 | (7,071)
Gas purchases payable - related parties | 5 | (406)
Prepaid and accrued taxes | 7,954 | (27,794)
Accounts payable and other | (12,405) | (22,489)
Restricted broker margin accounts | (26,173) | 6,855
Customers' credit balances and deposits | 616 | 10,056
Other current assets | 362 | 5,219
Components of working capital | (150,480) | (102,068)
Cash paid (received) for: |  |
Interest (net of amounts capitalized) | 8,153 | 5,403
Income taxes | (7,020) | 202
Accrued capital expenditures | $ 28,442 | $ 21,721

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