Contingencies - Narrative (Details) - USD ($) $ in Millions		9 Months Ended
	Jun. 09, 2015	Sep. 30, 2024
Accrued Liabilities [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual		$ 10.7
Highway Products Litigation | False Claims Act, USA
Loss Contingencies [Line Items]
Loss Contingency, Judgment Entered, Value	$ 682.4
Highway Products Litigation | State, County, and Municipal Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual		0.0
Ohio Train Derailment Litigation | Ohio Train Derailment Litigation
Loss Contingencies [Line Items]
Loss Contingency Accrual		0.0
Environmental and Workplace Matters [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual		1.2
Damage from Fire, Explosion or Other Hazard
Loss Contingencies [Line Items]
Loss Contingency, Receivable, Proceeds		3.4
Loss Contingency, Receivable		1.0
Recorded Third-Party Environmental Recoveries, Amount		1.7
Property, Plant and Equipment, Additions		0.7
Minimum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		9.8
Maximum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		$ 22.0