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Inventories - Summary of Inventories (Details) - USD ($)
$ in Millions
Jun. 27, 2020
Dec. 28, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 27.0 $ 23.8
Finished goods 33.8 24.2
Resale items 11.4 14.0
Other 1.0 0.9
Total $ 73.2 $ 62.9