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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 134,830 | $ 101,572
Adjustments to reconcile net income to cash flows from operating activities: |  |
Unrealized (gain) loss on derivative instruments | (23,683) | 17,596
Depreciation and amortization | 34,966 | 30,726
Allowance for equity used during construction | (1,926) | (317)
Allowance for bad debt expense | 1,829 | 1,989
Deferred income taxes | 23,406 | 30,588
Manufactured gas plant remediation costs | (5,326) | (6,125)
Equity in earnings of affiliates, net of distributions received | (1,050) | 4,209
Cost of removal - asset retirement obligations | (926) | (912)
Contributions to postemployment benefit plans | (24,538) | (24,446)
Changes in: |  |
Components of working capital | (22,092) | (110,114)
Other noncurrent assets | (2,607) | 8,747
Other noncurrent liabilities | 12,256 | 6,404
Cash flows from operating activities | 125,139 | 59,917
CASH FLOWS (USED IN) INVESTING ACTIVITIES |  |
Utility plant expenditures | (73,654) | (71,916)
Solar equipment expenditures | (39,756) | (75,243)
Real estate properties and other expenditures | (532) | (568)
Cost of removal expenditures | (21,186) | (10,634)
Distribution from equity investees | 2,107 | 0
Proceeds from sale of available-for-sale securities | 482 | 0
Withdrawal from restricted cash construction fund | 0 | 126
Cash flows (used in) investing activities | (132,539) | (158,235)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Proceeds from issuance of common stock | 10,581 | 10,636
Tax benefit from stock options exercised | 110 | 222
Proceeds from sale-leaseback transaction | 7,076 | 6,522
Proceeds from long-term debt | 50,000 | 0
Payments of long-term debt | (5,808) | (4,856)
Purchases of treasury stock | (23,689) | (8,768)
Payments of common stock dividends | (50,619) | (46,466)
Net proceeds from short-term debt | 17,100 | 140,650
Cash flows from financing activities | 4,751 | 97,940
Change in cash and cash equivalents | (2,649) | (378)
Cash and cash equivalents at beginning of period | 4,509 | 7,440
Cash and cash equivalents at end of period | 1,860 | 7,062
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |
Receivables | (120,719) | 36,598
Inventories | (24,792) | 78,601
Recovery of gas costs | 4,994 | (13,405)
Gas purchases payable | 86,932 | (99,173)
Prepaid and accrued taxes | 20,059 | (11,375)
Accounts payable and other | (6,385) | 9,754
Restricted broker margin accounts | 26,760 | (20,320)
Customers' credit balances and deposits | (30,899) | (75,318)
Other current assets | 21,958 | (15,476)
Components of working capital | (22,092) | (110,114)
SUPPLEMENTAL DISCLOSURES OF CASH FLOWS INFORMATION |  |
Cash paid for Interest (net of amounts capitalized) | 11,121 | 8,918
Cash paid for Income taxes | 9,539 | 7,536
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING ACTIVITIES |  |
Accrued capital expenditures | $ (9,734) | $ (108)

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