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Benefit Plans - Amounts Recognized in Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Noncurrent liabilities	$ (29.0)	$ (28.2)
Pension benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Noncurrent assets	4.0	2.9
Current liabilities	(1.4)	(1.4)
Noncurrent liabilities	(26.4)	(25.5)
Total liabilities	(23.8)	(24.0)
Other retirement benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(0.4)	(0.5)
Noncurrent liabilities	(2.6)	(2.7)
Total liabilities	$ (3.0)	$ (3.2)

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