Operating Expenses (Schedule of Depreciation and Amortization Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating Expenses [Abstract]
Depreciation	$ 26.2	$ 24.9	$ 76.4	$ 61.9
Amortization	85.7	76.2	253.5	185.0
Total depreciation and amortization expenses	$ 111.9	$ 101.1	$ 329.9	$ 246.9