Income Taxes (Schedule Of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Net operating losses	$ 30.0	$ 32.2
Postretirement benefits	11.0	13.1
Pension benefit liabilities	7.3	8.1
Deferred compensation	4.5	6.8
State tax credit carryforwards	3.7	4.4
Capital loss carryforwards	5.6	18.8
Capitalized research expenses	20.5	15.3
Lease liabilities	14.3	9.5
Other	9.9	9.0
Total deferred income tax assets	106.8	117.2
Valuation allowances	(36.3)	(49.1)
Net deferred income tax assets	70.5	68.1
Intangibles	(83.9)	(84.7)
Partnerships and investments	(23.7)	(25.4)
Accumulated depreciation	(87.1)	(87.3)
Prepaid pension costs	(22.5)	(21.6)
Inventories	(3.6)	(4.4)
Lease assets	(15.1)	(9.9)
Other	(1.7)	(1.7)
Total deferred income tax liabilities	(237.6)	(235.0)
Net deferred income tax liabilities	$ (167.1)	$ (166.9)

Deferred tax assets lease liabilities.

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Deferred tax liabilities lease right-of-use assets.

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from inventory.

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

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Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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Amount of deferred tax liability attributable to taxable temporary differences classified as other.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.

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

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