Supplemental Cash Flow Information (Schedule of Supplemental Cash Flow) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Supplemental Cash Flow Information [Abstract]
Interest paid, net of interest capitalized	$ 126.8	$ 36.0
Interest received	15.8	3.2
Net income taxes paid	155.6	19.2
Non-cash purchase of property, plant and equipment under finance lease	10.2	7.5
Non-cash operating right of use assets obtained in exchange for new lease obligations	$ 147.9	$ 19.9