Comprehensive Income (Items Not Reclassified from AOCI to Net Income) (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general, and administrative expenses and Losses and other expenses, net	$ (805.7)	$ (939.6)	$ (983.4)	$ (731.7)	$ (3,460.5)	$ (3,563.8)	$ (3,432.7)
non-cash pension settlement loss					(0.4)	(0.4)	(0.8)
Provision for income taxes	$ (36.2)	$ (57.5)	$ (66.1)	$ (31.2)	(191.0)	(188.3)	$ (147.7)
Defined Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax					(1.4)	(1.4)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax					1.3	0.0
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax					16.1	(0.7)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net of tax					16.0	(2.1)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax					1.3	0.0
Reclassification out of Accumulated Other Comprehensive Income [Member] | Defined Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general, and administrative expenses and Losses and other expenses, net					(1.4)	(1.4)
non-cash pension settlement loss					(0.4)	(0.4)
Provision for income taxes					0.4	0.4
Net of tax					(1.4)	(1.4)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes					0.0	0.0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax					1.3	0.0
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes					(4.9)	0.2
Net of tax					16.1	(0.7)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Commodity Derivative Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general, and administrative expenses and Losses and other expenses, net					$ 21.0	$ (0.9)