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Operating Expenses (Schedule of Depreciation and Amortization Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Operating Expenses [Abstract]
Depreciation	$ 27.2	$ 26.2	$ 79.9	$ 76.4
Amortization	97.5	85.7	276.0	253.5
Total depreciation and amortization expenses	$ 124.7	$ 111.9	$ 355.9	$ 329.9

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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