Workforce Reduction and Retirement Expenses (Details) $ in Millions	3 Months Ended		9 Months Ended	12 Months Ended
	Mar. 28, 2020 USD ($) item	Mar. 30, 2019 USD ($)	Jan. 02, 2021 USD ($)	Dec. 28, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of employees retirement agreements | item	2
Reduced employee expenses
Restructuring Cost and Reserve [Line Items]
Severance and related charges		$ 1.6		$ 2.4
Severance Costs	$ 0.2	$ (0.9)		$ 1.5
Reduced employee expenses | Forecast
Restructuring Cost and Reserve [Line Items]
Severance Costs			$ 0.7