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Income Taxes (Summary Of Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2023 | Dec. 31, 2022
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] |  |  |  |
Balance, beginning of year | $ 237.7 | $ 235.4 | $ 217.6 | $ 235.1
Decreases in unrecognized tax benefits as a result of tax positions taken during prior years | 0.0 | (4.5) | (3.4) | (1.0)
Increases in unrecognized tax benefits as a result of tax positions taken during prior years | 2.9 | 34.6 | 88.6 | 3.0
Lapse of applicable statutes of limitations | (0.2) | (20.2) | (73.6) | (4.5)
Increases in unrecognized tax benefits as a result of tax positions taken during the current year | 12.6 | 6.9 | 13.4 | 11.2
Impact of foreign currency exchange rates | (17.6) | (10.5) | 0.6 | (9.7)
Settlements with taxing authorities | 0.0 | (6.6) | (41.8) | (16.5)
Balance, end of year | $ 235.4 | $ 235.1 | $ 201.4 | $ 217.6

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10B -Publisher FASB -URI https://asc.fasb.org//1943274/2147482525/740-10-45-10B + Details
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A + Details
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