Operating Segment, Geographic Information and Significant Customers - Net Revenue by Product Grouping (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 02, 2021	Apr. 02, 2021	Jan. 01, 2021	Oct. 02, 2020	Jul. 03, 2020	Mar. 27, 2020	Dec. 27, 2019	Sep. 27, 2019	Jul. 02, 2021	Jul. 03, 2020	Jun. 30, 2019
Revenue from External Customer [Line Items]
Net revenues	$ 250,842	$ 256,857	$ 210,676	$ 205,621	$ 217,377	$ 208,016	$ 193,913	$ 177,304	$ 923,996	$ 796,610	$ 654,744
Components
Revenue from External Customer [Line Items]
Net revenues									176,234	227,364	184,870
Modules and Sub-assemblies
Revenue from External Customer [Line Items]
Net revenues									156,557	131,177	180,873
Integrated Subsystems
Revenue from External Customer [Line Items]
Net revenues									$ 591,205	$ 438,069	$ 289,001