Income Taxes (Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
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)

Deferred Tax Assets Leasing liabilities

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- Definition

Deferred Tax Assets, Other, Noncurrent

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- Definition

Deferred Tax Liabilities, net of deferred tax assets and valuation allowance

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- Definition

Deferred Tax Liability Leasing Asset

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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

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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