Supplemental Information (Components of Interest Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Summary of components of interest expense
Interest expense, net of capitalized interest	$ 46.4	$ 44.1	$ 56.0
Less: Interest income	5.5	5.4	4.3
Interest expense, net	$ 40.9	$ 38.7	$ 51.7