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Restructuring and Related Charges - Summary of Restructuring Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jul. 01, 2017
Summary of various restructuring plans
Accrual balance at the beginning of the period	$ 7.5
Restructuring and related charges	15.4	$ 8.3	$ 21.6
Cash Settlements	(13.9)
Non-cash Settlements and Other Adjustments	(0.2)
Accrual balance at the end of the period	8.8	7.5
NSE, including AW
Summary of various restructuring plans
Accrual balance at the beginning of the period	0.0
Restructuring and related charges	16.1
Cash Settlements	(7.1)
Non-cash Settlements and Other Adjustments	(0.3)
Accrual balance at the end of the period	8.7	0.0
Trilithic Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period	2.9
Restructuring and related charges	0.0
Cash Settlements	(2.9)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	0.0	2.9
Focused NSE Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period	1.9
Restructuring and related charges	0.1
Cash Settlements	(2.1)
Non-cash Settlements and Other Adjustments	0.1
Accrual balance at the end of the period	0.0	1.9
NE Lease Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period	1.2
Restructuring and related charges	(0.5)
Cash Settlements	(0.7)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	0.0	1.2
Other Plans Prior to Fiscal 2015
Summary of various restructuring plans
Accrual balance at the beginning of the period	1.5
Restructuring and related charges	(0.3)
Cash Settlements	(1.1)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	$ 0.1	$ 1.5