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Contingencies (Details)
$ in Millions
1 Months Ended 3 Months Ended
Jun. 30, 2018
Party
Mar. 31, 2016
Party
mi
Mar. 30, 2019
USD ($)
contaminant
Dec. 29, 2018
USD ($)
Loss Contingencies [Line Items]        
Loss Contingency, Estimate of Possible Loss, Area of Land | mi   8.3    
Loss Contingency, Estimate of Possible Loss     $ 1,380.0  
Loss Contingency, Number of Parties | Party 100 100    
Number of contaminants | contaminant     8  
Insurance Environmental and Litigation Matters [Member]        
Loss Contingencies [Line Items]        
Reserves for insurance, environmental and litigation contingencies     $ 66.8 $ 66.6
Insurance Settlements Receivable, Noncurrent     26.1 $ 26.1
Settled Litigation [Member]        
Loss Contingencies [Line Items]        
Loss Contingency, Number of Parties | Party 20      
Pending Litigation [Member]        
Loss Contingencies [Line Items]        
Loss Contingency, Estimate of Possible Loss     $ 165.0  
Loss Contingency, Number of Parties | Party 40