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Schedule II-Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II-Valuation and Qualifying Accounts | Schedule II—Valuation and Qualifying Accounts Years ended December 31, 2020, 2019, and 2018 (Amounts in millions)
Description | Balance at Beginning of Year |  | "Additions" Charged to Costs and Expenses |  | "Other" Additions (Deductions) |  | "Less" Deductions |  | Balance at End of Year
Year ended December 31, 2020 |  |  |  |  |  |  |  |  |
Allowance for credit losses | $ | 10.9 |  |  | 7.5 |  |  | — |  |  | 6.1 |  |  | 12.3 |
Insurance reserves | $ | 41.1 |  |  | 72.1 |  | (1) | — |  |  | 72.2 |  | (2) | 41.0 |
Year ended December 31, 2019 |  |  |  |  |  |  |  |  |
Allowance for credit losses | $ | 12.8 |  |  | 5.5 |  |  | — |  |  | 7.4 |  |  | 10.9 |
Insurance reserves | $ | 37.6 |  |  | 69.7 |  | (1) | — |  |  | 66.2 |  | (2) | 41.1 |
Year ended December 31, 2018 |  |  |  |  |  |  |  |  |
Allowance for credit losses | $ | 11.9 |  |  | 8.1 |  |  | — |  |  | 7.2 |  |  | 12.8 |
Insurance reserves | $ | 39.0 |  |  | 66.9 |  | (1) | — |  |  | 68.3 |  | (2) | 37.6 |
(1) Includes costs and expenses incurred for premiums and claims related to health and general insurance. (2) Includes costs and expenses paid for premiums and claims related to health and general insurance. See accompanying Report of Independent Registered Public Accounting Firm incorporated herein by reference.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 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) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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