Comprehensive Income (Loss) (Reclassification out of AOCL) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense, net	$ (1,005.8)	$ (983.4)	$ (1,789.6)	$ (1,715.1)
Pension settlements	0.1	0.1	0.6	0.2
Income tax expense	(70.6)	(66.1)	(100.3)	(97.3)
Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net of tax	9.8	2.3	17.3	3.9
Reclassification out of Accumulated Other Comprehensive Loss [Member] | Defined Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense, net	(0.5)	(0.4)	(1.0)	(0.8)
Income tax expense	0.2	0.2	0.4	0.3
Net of tax	(0.4)	(0.3)	(1.2)	(0.7)
Reclassification out of Accumulated Other Comprehensive Loss [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	(3.0)	(0.8)	(5.5)	(1.4)
Net of tax	10.2	2.6	18.5	4.6
Reclassification out of Accumulated Other Comprehensive Loss [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Commodity Futures Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense, net	$ 13.2	$ 3.4	$ 24.0	$ 6.0