Income Taxes (Income from Continuing Operations Before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
Domestic					$ 584.9	$ 625.8	$ 472.8
Foreign					411.9	373.6	266.1
Income before income taxes	$ 178.7	$ 317.4	$ 340.0	$ 160.8	$ 996.8	$ 999.4	$ 738.9