XML 67 R56.htm IDEA: XBRL DOCUMENT v3.21.2
Discontinued Operations - Cash Flows (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2021
Sep. 27, 2020
Sep. 26, 2021
Sep. 27, 2020
Discontinued Operations and Disposal Groups [Abstract]        
Depreciation $ 0.1 $ 0.2 $ 0.4 $ 0.8