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Income Taxes - Schedule of Income before Income Tax, Domestic and Foreign (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
Components of income (loss) from continuing operations before income taxes      
Domestic $ (1.6) $ 6.8 $ 2.2
Foreign 8.4 8.9 6.5
Income from continuing operations before income taxes $ 6.8 $ 15.7 $ 8.7