Contingencies - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended	18 Months Ended
	Jun. 09, 2015	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2022	Mar. 31, 2022
Loss Contingencies [Line Items]
Loss Contingency, Receivable		$ 10.1		$ 10.1		$ 10.1
Former Gain Contingency, Recognized in Current Period		1.1		1.1		1.1	$ 6.4
Accrued Liabilities [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual		37.3		37.3		37.3
Massachusetts Qui Tam
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period				5.0
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		0.0
Highway Products Litigation | Missouri Class Action
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period					$ 23.9
Loss Contingency, Estimate of Possible Loss, Net of Tax					$ 18.3
Environmental and Workplace Matters [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual		1.0		1.0		1.0
Loss from Catastrophes
Loss Contingencies [Line Items]
Loss Contingency, Receivable		2.6	$ 2.5	2.6		2.6	$ 7.3
Loss Contingency, Receivable, Proceeds		2.8	$ 4.8			25.4
Property, Plant and Equipment, Additions						17.0
Loss Contingency, Receivable, Additions		2.9
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		37.0		37.0		37.0
Maximum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		$ 51.2		$ 51.2		$ 51.2