Contingencies - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	15 Months Ended
	Jun. 09, 2015	Jun. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Loss Contingency, Receivable		$ 20.4	$ 20.4
Former Gain Contingency, Recognized in Current Period				$ 6.4
Accrued Liabilities [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual		48.7	48.7
Highway Products Litigation | False Claims Act, USA
Loss Contingencies [Line Items]
Loss Contingency, Judgment Entered, Value	$ 682.4
Highway Products Litigation | Massachusetts Qui Tam
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		5.0	5.0
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, Estimate of Possible Loss					$ 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		1.1	1.1
Loss from Catastrophes
Loss Contingencies [Line Items]
Loss Contingency, Receivable		2.5	2.5	$ 7.3
Loss Contingency, Receivable, Proceeds		4.8	22.6
Property, Plant and Equipment, Additions			14.5
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		47.7	47.7
Maximum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		$ 66.1	$ 66.1