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Pension and Other Benefit Programs (Schedule of Amounts in Accumulated Other Comprehensive) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	$ (158.0)	$ (168.7)
Prior service credit	0.0	0.0
Accumulated other comprehensive (loss) income	(158.0)	(168.7)
U.S. Defined-Benefit Retiree Health And Life Insurance Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	24.0	25.4
Prior service credit	0.6	0.7
Accumulated other comprehensive (loss) income	$ 24.6	$ 26.1

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Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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