Operating Expenses (Schedule of Depreciation and Amortization Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Expenses [Abstract]
Depreciation	$ 24.9	$ 7.8	$ 61.9	$ 23.5
Amortization	76.2	16.5	185.0	49.3
Total depreciation and amortization expenses	$ 101.1	$ 24.3	$ 246.9	$ 72.8