Quarterly report pursuant to Section 13 or 15(d)

Impairment and closure costs (Details)

v3.19.3
Impairment and closure costs (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 29, 2019
Sep. 30, 2018
Sep. 29, 2019
Impairment and closure costs [Abstract]      
Impairment of Long-Lived Assets Held-for-use $ 7.1 $ 12.3  
Closure costs $ 0.2   $ 0.8