Fair Value Disclosure Fair Value Disclosure - Impacts of Derivative Instrument on Statement of Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Expense, Operating and Nonoperating	$ (341.0)	$ (263.4)	$ (214.0)
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive Income into Income	(2.1)	5.3	(4.0)
Other Nonoperating Income (Expense)	(9.5)	(9.4)	(27.0)
Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Recognized in Other Comprehensive Income	(3.4)	3.6	(5.7)
Cash Flow Hedging [Member] | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Expense, Operating and Nonoperating	1.6	1.6	1.7
Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Recognized in Other Comprehensive Income	(3.4)	3.6	(5.7)
Other Nonoperating Income (Expense)	3.7	(3.7)	5.7
Other Nonoperating Income (Expense) [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive Income into Income	(3.7)	3.7	(5.7)
Interest Expense [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive Income into Income	$ 1.6	$ 1.6	$ 1.7