Accumulated Other Comprehensive Loss (Reclassification Out Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Jun. 30, 2026	Mar. 31, 2026	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2026	Sep. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Non-operating expenses, net	$ 1.7			$ 0.3			$ 7.1	$ 3.2
Tax benefit	56.0			40.4			161.2	123.2
Total reclassifications for the period, net of tax	(171.6)	$ (158.9)	$ (142.1)	(119.6)	$ (138.4)	$ (101.1)	(472.6)	(359.1)
Amortization Of Pension And Other Postretirement Benefits Items [Member] \| Actuarial Losses Recognized [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Non-operating expenses, net	4.0			2.5			12.1	7.4
Tax benefit	(1.0)			(0.7)			(3.1)	(1.9)
Total reclassifications for the period, net of tax	$ 3.0			$ 1.8			$ 9.0	$ 5.5

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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+ Details