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Financial Statement Details - Other Operating Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 27, 2020	Dec. 29, 2019	Dec. 27, 2020	Dec. 29, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Factory optimization restructuring	$ 1.3	$ 1.2	$ 2.9	$ 2.4
Severance and other restructuring	0.0	0.0	2.8	0.8
Total restructuring costs	1.3	1.2	5.7	3.2
Project, transformation and transaction costs	0.1	7.9	1.3	9.4
Factory optimization start-up costs	1.2	1.5	4.2	2.9
Non-restructuring related executive severance	0.0	0.3	0.0	1.5
Other operating expense	$ 2.6	$ 10.9	$ 11.2	$ 17.0

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