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Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reserve For Accounts Receivable [Member] |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Beginning Balance | $ 23.9 | $ 23.5 | $ 52.3
Valuation Allowances and Reserves, Charged to Cost and Expense | 23.4 | 20.6 | 18.3
Valuation Allowances and Reserves, Charged to Other Accounts | (36.6) | (36.4) | (6.4)
Deductions for Purposes for which Reserves were Created | 61.0 | 56.6 | 53.5
Ending Balance | 22.9 | 23.9 | 23.5
Reserve For Other Investments [Member] |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Beginning Balance | 1.0 | 2.3 | 0.0
Valuation Allowances and Reserves, Charged to Cost and Expense | 0.0 | 0.0 | 0.0
Valuation Allowances and Reserves, Charged to Other Accounts |  |  | (2.3)
Deductions for Purposes for which Reserves were Created | 0.0 | 0.0 | 0.0
Ending Balance | 1.3 | 1.0 | $ 2.3
Reserve for Deferred Charges and Other |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Valuation Allowances and Reserves, Charged to Other Accounts | $ 0.3 | $ 1.3 |

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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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