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Other Expense, Net - Schedule of Other Expense, Net (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Jan. 01, 2017
Other Income and Expenses [Abstract]      
Interest income $ 0.8 $ 0.7 $ 0.4
Interest expense (3.1) (2.7) (3.8)
Dividend income 1.6 1.5 1.2
Foreign exchange gains (losses) 0.3 (1.1) 1.6
Other (0.2) 0.0 (0.1)
Other expense, net $ (0.6) $ (1.6) $ (0.7)