XML 99 R84.htm IDEA: XBRL DOCUMENT v3.22.0.1
Discontinued Operations - Narrative (Details) - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Mar. 01, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Net pretax actuarial gain and prior service credit $ 3.6 $ 4.4    
After-tax actuarial gain and prior service credit 2.2 3.6    
Payments of other discontinued reserves 21.0 29.9 $ 24.4  
Workers’ compensation, product liability, and indemnification reserves        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Payments of other discontinued reserves 1.6 1.0 3.8  
Postretirement medical and life insurance benefits reserve, net        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Payments of other discontinued reserves 0.4 0.5 0.4  
Reserves for legal proceedings        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Payments of other discontinued reserves $ 19.0 $ 28.4 $ 20.2  
Livent        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Shares of common stock owned (in shares)       123