Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Tax expense recognized on the amortization of prior service cost	$ 0.0	$ 0.0	$ 0.0
Tax expense recognized on the net gain (loss)	0.1	0.1	0.0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Interest Rate Swaps During Period, Tax	(0.1)	0.2	0.2
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax expense recognized on the amortization of prior service cost	0.0	0.0	0.0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax	(0.1)	(0.1)	0.0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Interest Rate Swaps During Period, Tax	(0.1)	0.2	0.2
Unrealized Gain (Loss) On Cash Flow Hedging Instruments, Tax	(0.2)	0.6	(0.5)
Accumulated (Gain) Loss from Commodity Contracts Cash Flows Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(0.1)	(0.3)	0.0
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	$ (0.1)	$ (0.2)	$ (0.1)