Contingencies - Narrative (Details) - USD ($) $ in Millions		12 Months Ended	15 Months Ended	24 Months Ended
	Jun. 09, 2015	Dec. 31, 2021	Mar. 31, 2023	Mar. 31, 2023
Accrued Liabilities [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual			$ 10.5	$ 10.5
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	0.0
Highway Products Litigation | Missouri Class Action
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period		$ 23.9
Loss Contingency Accrual			7.8	7.8
Loss Contingency, Estimate of Possible Loss, Net of Tax		$ 18.3
Loss Contingency Accrual, Payments			17.5
Environmental and Workplace Matters [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual			1.2	1.2
Loss from Catastrophes
Loss Contingencies [Line Items]
Loss Contingency, Receivable, Proceeds				28.9
Property, Plant and Equipment, Additions				19.6
Former Gain Contingency, Recognized in Current Period			1.2	1.2
Damage from Fire, Explosion or Other Hazard
Loss Contingencies [Line Items]
Loss Contingency, Receivable, Proceeds				8.1
Minimum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss			10.0	10.0
Maximum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss			$ 20.9	$ 20.9