Fair Value Disclosure Fair Value Disclosure - Impacts of Derivative Instrument on Statement of Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Expense	$ (263.4)	$ (214.0)	$ (204.0)
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive Income into Income	5.3	(4.0)	(10.1)
Other Nonoperating Income (Expense)	(9.4)	(27.0)	(3.7)
Operating Lease, Expense	(36.0)	(36.1)	(39.2)
Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Recognized in Other Comprehensive Income	3.6	(5.7)	(11.9)
Cash Flow Hedging [Member] | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Expense	1.6	1.7	1.9
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	3.6	(5.7)	(11.9)
Other Nonoperating Income (Expense)	(3.7)	5.7	12.0
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	$ (5.7)	$ (12.0)