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Valuation and Qualifying Accounts | 12 Months Ended
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Sep. 30, 2013
Valuation and Qualifying Accounts [Abstract] |
VALUATION AND QUALIFYING ACCOUNTS | VALUATION AND QUALIFYING ACCOUNTS YEARS ENDED SEPTEMBER 30, 2013, 2012 and 2011
(Thousands) |  | ADDITIONS |  |
CLASSIFICATION | BEGINNING BALANCE | CHARGED TO EXPENSE | OTHER (1) | ENDING BALANCE
2013 |  |  |  |
Regulatory asset | $ | 71 |  | (71 | ) | — |  | $ | — |
Allowance for doubtful accounts | $ | 4,797 |  | 2,627 |  | (2,094 | ) | $ | 5,330 |
2012 |  |  |  |
Regulatory asset | $ | 141 |  | (70 | ) | — |  | $ | 71 |
Allowance for doubtful accounts | $ | 4,612 |  | 3,932 |  | (3,747 | ) | $ | 4,797 |
2011 |  |  |  |
Regulatory asset | $ | 212 |  | (71 | ) | — |  | $ | 141 |
Allowance for doubtful accounts | $ | 2,993 |  | 4,865 |  | (3,246 | ) | $ | 4,612 |
(1) | Uncollectible accounts written off, less recoveries and adjustments.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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