Operating Segment, Geographic Information and Significant Customers - Net Revenue by End Application (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
Radar End User Applications
Revenue from External Customer [Line Items]
Net revenues									289,172	233,967	164,046
Electronic Warfare End User Applications
Revenue from External Customer [Line Items]
Net revenues									139,168	156,666	128,841
Other Sensor And Effector Applications [Member]
Revenue from External Customer [Line Items]
Net revenues									98,112	105,175	90,245
Total Sensor And Effector Applications [Member]
Revenue from External Customer [Line Items]
Net revenues									526,452	495,808	383,132
C4I Applications [Member]
Revenue from External Customer [Line Items]
Net revenues									307,978	207,000	183,172
Other End User Applications
Revenue from External Customer [Line Items]
Net revenues									$ 89,566	$ 93,802	$ 88,440