Supplemental Cash Flow Information (Schedule of Supplemental Cash Flow) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Supplemental Cash Flow Information [Abstract]
Interest paid, net of interest capitalized	$ 85.6	$ 20.4
Interest received	6.6	6.3
Net income taxes paid	23.0	50.9
Non-cash purchase of property, plant and equipment under finance lease	2.3	4.9
Non-cash operating right of use assets obtained in exchange for new lease obligations	$ 27.6	$ 1.4