XML 56 R45.htm IDEA: XBRL DOCUMENT v3.20.2
Commitments and Contingencies (Details)
$ in Millions
9 Months Ended
Sep. 26, 2020
USD ($)
site
Dec. 28, 2019
USD ($)
Environmental Liabilities Associated with Remediation    
Environmental site contingency number of sites | site 11  
Balance at beginning of the period $ 21.4  
Charges, net of reversals 0.8  
Payments (2.7)  
Balance at end of the period 19.5  
Short term environmental liabilities $ 9.0 $ 10.0