Operating Segment, Geographic Information and Significant Customers - Net Revenue by End Market (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
Revenues from External Customers and Long-Lived Assets [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
Domestic
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									795,988	704,722	580,935
International/Foreign Military Sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									$ 128,008	$ 91,888	$ 73,809