XML 28 R19.htm IDEA: XBRL DOCUMENT v3.23.1
Contingent Liabilities and Commitments (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Environmental assessment and remediation [Member]    
Site Contingency [Line Items]    
Accrued environmental assessment and remediation costs, total $ 11.9 $ 11.8
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Other, Other Other, Other
Accrued environmental assessment and remediation costs, current $ 1.5 $ 1.4
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration] Other Other
Accrued environmental assessment and remediation costs, noncurrent $ 10.4 $ 10.4
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other Other
Potentially responsible party at various Superfund and state waste disposal sites [Member] | Maximum [Member]    
Site Contingency [Line Items]    
Site Contingency, Loss Exposure Not Accrued, Best Estimate $ 0.5