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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2012
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS (In millions)
Description |  | Balance at Beginning of Period |  | Additions Charged to Costs and Expenses |  | Deductions |  | Amounts Charged to Other Accounts |  | Balance at End of Period |
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Year Ended December 31, 2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 21.3 |  | $ | 11.9 |  | $ | 13.8 | (1) | $ | (2.1 | ) | $ | 17.2 |
Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 17.2 |  | $ | 12.8 |  | $ | 8.0 | (1) | $ | 0.2 |  | $ | 22.2 |
Year Ended December 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 22.2 |  | $ | 6.7 |  | $ | 8.5 | (1) | $ | 0.1 |  | $ | 20.5 |
(1) Uncollectible accounts written off.

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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 SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: 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=6881521&loc=d3e24092-122690 + Details
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