Operating Segment, Geographic Information and Significant Customers - Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 01, 2022 USD ($)	Apr. 02, 2021 USD ($)	Apr. 01, 2022 USD ($) segment	Apr. 02, 2021 USD ($)	Jul. 02, 2021 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment			1
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 253,075	$ 256,857	$ 698,468	$ 673,154
Identifiable long-lived assets	125,709		125,709		$ 128,524
Components
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	42,198	40,572	108,977	131,732
Modules and Sub-assemblies
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	52,719	37,547	134,345	99,714
Integrated Subsystems
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	158,158	178,738	455,146	441,708
Total Sensor & Effector
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	117,811	132,515	347,803	402,344
Radar
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	50,033	81,481	160,109	238,650
Electronic Warfare
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	44,010	25,782	110,320	91,342
Other Sensor & Effector
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	23,768	25,252	77,374	72,352
C4I
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	111,282	107,144	285,614	219,284
Other End Applications
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	23,982	17,198	65,051	51,526
Domestic
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	227,254	217,255	603,094	577,093
International/Foreign Military Sales
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	25,821	39,602	95,374	96,061
US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	243,100	246,231	666,336	639,851
Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	9,216	10,482	31,211	32,957
Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	759	144	921	346
Reportable Geographical Components | US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	242,371	246,282	668,754	640,778
Identifiable long-lived assets	121,294		121,294		123,009
Reportable Geographical Components | Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	10,040	11,216	33,363	34,599
Identifiable long-lived assets	4,412		4,412		5,509
Reportable Geographical Components | Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	759	144	921	346
Identifiable long-lived assets	3		3		6
Geography Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(95)	(785)	(4,570)	(2,569)
Identifiable long-lived assets	0		0		$ 0
Geography Eliminations | US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(729)	51	2,418	927
Geography Eliminations | Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	824	734	2,152	1,642
Geography Eliminations | Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 0	$ 0	$ 0	$ 0