Supplemental Cash Flow Information (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Supplemental Cash Flow Elements [Abstract]
Payments of interest and commitment fees	$ 59,000,000.0	$ 73,300,000
Interest paid, capitalized		7,400,000
Incurred liabilities for fixed and intangible asset additions	$ 10,400,000	$ 23,400,000