Fair Value Disclosure Fair Value Disclosure - Impacts of Derivative Instrument on Statement of Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Expense	$ (51.9)	$ (50.0)	$ (103.1)	$ (103.6)
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive (Loss) Income into Income	(4.8)	1.0	(7.3)	(3.1)
Other Nonoperating Income (Expense)	(11.3)	(8.1)	(13.3)	(9.4)
Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Recognized in Other Comprehensive (Loss) Income			(7.9)	(3.9)
Interest Expense [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive (Loss) Income into Income	0.4	0.5	0.8	1.1
Interest Rate Contract [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Recognized in Other Comprehensive (Loss) Income	(4.6)	0.9	0.0	0.0
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Recognized in Other Comprehensive (Loss) Income	(4.6)	0.9	(7.9)	(3.9)
Interest Expense [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on non-designated derivative contracts	0.0	0.0	0.0	0.0
Interest Expense [Member] | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged items	1.5	1.1	7.2	2.4
Derivatives designated as hedging instruments	(1.5)	(1.1)	(7.2)	(2.4)
Interest Expense [Member] | Interest Rate Contract [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	(0.4)	(0.5)	(0.8)	(1.1)
Interest Expense [Member] | Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	0.0	0.0	0.0	0.0
Other (Income) Expense [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Loss (Gain) Reclassified from Accumulated Other Comprehensive (Loss) Income into Income	(5.2)	0.5	(8.1)	(4.2)
Gain (loss) on non-designated derivative contracts	3.2	(3.7)	4.7	(1.7)
Other (Income) Expense [Member] | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged items	0.0	0.0	0.0	0.0
Derivatives designated as hedging instruments	0.0	0.0	0.0	0.0
Other (Income) Expense [Member] | Interest Rate Contract [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	0.0	0.0	0.0	0.0
Other (Income) Expense [Member] | Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	$ 5.2	$ (0.5)	$ 8.1	$ 4.2