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Restructuring and Related Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Jan. 02, 2021	Dec. 28, 2019	Jun. 27, 2020
Summary of various restructuring plans
Balance at the beginning of the period			$ 6.5
Restructuring and related charges (benefits)	$ 0.2	$ (0.9)	(0.4)	$ (0.6)
Cash Settlements			(2.5)
Non-cash Settlements and Other Adjustments			0.0
Balance at the end of the period	3.6		3.6
Noncurrent restructuring accrual	3.6		3.6		$ 6.5
NSE, including AW Restructuring Plan
Summary of various restructuring plans
Balance at the beginning of the period			6.5
Restructuring and related charges (benefits)	0.2		(0.4)
Cash Settlements			(2.5)
Non-cash Settlements and Other Adjustments			0.0
Balance at the end of the period	$ 3.6		$ 3.6