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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for doubtful accounts - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Movement in valuation and qualifying accounts |  |  |
Balance at Beginning of Year | $ 18.8 | $ 15.5 | $ 15.3
Additions Charged to Costs and Expenses | 3.4 | 7.4 | 6.7
Deductions | 4.4 | 4.4 | 6.5
Amounts Charged to Other Accounts |  | 0.3 |
Balance at End of Year | $ 17.8 | $ 18.8 | $ 15.5

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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