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Income Taxes (Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Income Tax Disclosure [Abstract] |  |
Intangibles | $ (215.6) | $ (185.3)
Depreciation expense | (4.6) | (7.2)
Operating lease right-of-use assets | (15.1) | (15.2)
Operating lease liabilities | 16.0 | 15.9
Allowance for doubtful accounts | 1.4 | 1.2
Employee-related accruals | 15.8 | 17.5
Stock-based compensation | 10.0 | 11.8
Other | 4.6 | 5.3
Deferred Tax Liabilities, net of deferred tax assets and valuation allowance | $ (187.5) | $ (156.0)

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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