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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Movement in valuation and qualifying accounts |  |  |
Additions from acquisitions charged to goodwill |  | $ 0.3 |
Reclassification of allowance balance |  | 2.4 |
Trade receivable balance reclassified as a note receivable |  | 2.4 |
Allowance for doubtful accounts |  |  |
Movement in valuation and qualifying accounts |  |  |
Balance at Beginning of Period | 17.2 | 21.3 | 22.0
Additions Charged to Costs and Expenses | 12.8 | 11.9 | 18.8
Deductions | 8.0 | 13.8 | 19.6
Amounts Charged to Other Accounts | 0.2 | (2.1) | 0.1
Balance at End of Period | $ 22.2 | $ 17.2 | $ 21.3

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + 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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