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Schedule II-Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Allowance For Credit Losses |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | $ 10.9 | $ 12.8 | $ 11.9
"Additions" Charged to Costs and Expenses | 7.5 | 5.5 | 8.1
"Other" Additions (Deductions) | 0.0 | 0.0 | 0.0
"Less" Deductions | 6.1 | 7.4 | 7.2
Balance at End of Year | 12.3 | 10.9 | 12.8
Insurance Reserves |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 41.1 | 37.6 | 39.0
"Additions" Charged to Costs and Expenses | 72.1 | 69.7 | 66.9
"Other" Additions (Deductions) | 0.0 | 0.0 | 0.0
"Less" Deductions | 72.2 | 66.2 | 68.3
Balance at End of Year | $ 41.0 | $ 41.1 | $ 37.6

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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(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: 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(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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