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Inventories (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 31, 2017
Inventories (Textual) [Abstract]      
Inventories at cost as per LIFO $ 40.0 $ 42.3  
Inventories at average cost or FIFO methods 361.2 331.3  
LIFO income $ 1.6 $ 0.1 $ 2.9