Consolidated Statements of Cash Flows Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net cash paid during the years for:
Interest	$ 32.9	$ 68.5	$ 86.4
Supplemental schedule of non-cash investing and financing activities:
Unpaid property plant and equipment in accounts payable and accrued expenses	68.5	73.0	81.1
Fair value of net assets acquired in acquisition	9.3	0.0	677.1
Liabilities assumed in acquisition	(2.4)	0.0	(161.7)
Fair value of net assets acquired	$ 6.9	$ 0.0	$ 515.4