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Contingencies - Narrative (Details) - USD ($)
$ in Millions
Sep. 29, 2019
Dec. 30, 2018
Loss Contingencies [Line Items]    
Accrual for litigation costs $ 10.1 $ 12.8
Loss contingency, estimate of possible loss 10.0  
Minimum    
Loss Contingencies [Line Items]    
Loss contingency, portion not accrued 0.4  
Maximum    
Loss Contingencies [Line Items]    
Loss contingency, portion not accrued 3.7  
Prepaid Expenses and Other Current Assets    
Loss Contingencies [Line Items]    
Insurance recoveries $ 4.6 $ 6.1