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Contingencies (Details)
$ in Millions
1 Months Ended 3 Months Ended
Jun. 30, 2018
Party
Nov. 30, 2019
USD ($)
Mar. 31, 2016
Party
mi
Apr. 03, 2021
USD ($)
contaminant
Jan. 02, 2021
USD ($)
Loss Contingencies [Line Items]          
Area of land | mi     8.3    
Estimate of possible loss       $ 1,380.0  
Number of parties | Party 100   100    
Number of contaminants | contaminant       8  
Loss related to litigation settlement   $ 0.6      
Insurance Environmental and Litigation Matters [Member]          
Loss Contingencies [Line Items]          
Reserves for insurance, environmental and litigation contingencies       $ 67.8 $ 66.2
Insurance settlements receivable       27.0 $ 27.0
Settled Litigation [Member]          
Loss Contingencies [Line Items]          
Number of parties | Party 20        
Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Estimate of possible loss       $ 165.0  
Number of parties | Party 40        
Plant, One [Member]          
Loss Contingencies [Line Items]          
Loss related to litigation settlement   0.3      
Plant, Two [Member]          
Loss Contingencies [Line Items]          
Loss related to litigation settlement   $ 0.3