XML 87 R75.htm IDEA: XBRL DOCUMENT v3.21.1
Environmental Obligations - Environmental Reserve Rollforward and Recoveries and Reserves (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Dec. 31, 2020
Accrual for Environmental Loss Contingencies [Roll Forward]        
Environmental reserves, long-term     $ 421.9 $ 443.5
Recorded Recoveries [Roll Forward]        
Environmental charges, net $ (4.1) $ 6.4    
Environmental provision, net (1.0) 8.8    
Continuing Operations        
Recorded Recoveries [Roll Forward]        
Environmental charges, net (4.1) 6.4    
Discontinued Operations        
Recorded Recoveries [Roll Forward]        
Environmental charges, net 3.1 2.4    
Other Assets Including Long-term Receivables, Net        
Recorded Recoveries [Roll Forward]        
Environmental recoveries, beginning 4.4      
Increase (Decrease) in recoveries 0.1      
Cash received 0.0      
Environmental recoveries, ending 4.5      
Other Liabilities        
Recorded Recoveries [Roll Forward]        
Environmental remediation provision, net (0.9) 5.3    
Other Assets        
Recorded Recoveries [Roll Forward]        
Environmental remediation provision, net (0.1) $ 3.5    
Gross        
Accrual for Environmental Loss Contingencies [Roll Forward]        
Total environmental reserves at December 31, 2020 574.7      
Provision (Benefit) (0.7)      
(Spending) Recoveries (32.5)      
Foreign currency translation adjustments (3.0)      
Net change (36.2)      
Total environmental reserves at March 31, 2021 538.5      
Environmental reserves, current     106.9  
Environmental reserves, long-term     431.6  
Total environmental reserves at March 31, 2021 538.5   538.5 574.7
Recoveries        
Accrual for Environmental Loss Contingencies [Roll Forward]        
Total environmental reserves at December 31, 2020 10.3      
Provision (Benefit) (0.2)      
(Spending) Recoveries 0.0      
Foreign currency translation adjustments 0.0      
Net change (0.2)      
Total environmental reserves at March 31, 2021 10.5      
Environmental reserves, current     0.8  
Environmental reserves, long-term     9.7  
Total environmental reserves at March 31, 2021 10.5   10.5 10.3
Net        
Accrual for Environmental Loss Contingencies [Roll Forward]        
Total environmental reserves at December 31, 2020 564.4      
Provision (Benefit) (0.9)      
(Spending) Recoveries (32.5)      
Foreign currency translation adjustments (3.0)      
Net change (36.4)      
Total environmental reserves at March 31, 2021 528.0      
Environmental reserves, current     106.1  
Environmental reserves, long-term     421.9  
Total environmental reserves at March 31, 2021 $ 528.0   $ 528.0 $ 564.4