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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
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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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