Contingent Liabilities and Commitments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Other Commitments [Abstract]
Commitments for construction and acquisition of property, plant, and equipment	$ 3.0
Environmental assessment and remediation
Site Contingency [Line Items]
Accrued environmental assessment and remediation costs, total	2.5	$ 2.4
Accrued environmental assessment and remediation costs, current	0.7	0.7
Accrued environmental assessment and remediation costs, noncurrent	1.8	$ 1.7
Potentially responsible party at various Superfund and state waste disposal sites
Site Contingency [Line Items]
Environmental assessment and remediation costs, best estimate	$ 0.5