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Income Taxes (Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Intangibles | $ (185.3) | $ (159.9)
Depreciation expense | (7.2) | (8.8)
Operating lease right-of-use assets | (15.2) | (11.8)
Operating lease liabilities | 15.9 | 12.2
Allowance for doubtful accounts | 1.2 | 1.3
Employee-related accruals | 17.5 | 21.0
Stock-based compensation | 11.8 | 11.1
Other | 5.3 | 5.7
Deferred Tax Liabilities, net of deferred tax assets and valuation allowance | $ (156.0) | $ (129.2)

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