Operating Segment, Geographic Information and Platform - Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 02, 2020	Sep. 27, 2019
Revenue from External Customer [Line Items]
Net revenues	$ 205,621	$ 177,304
Airborne [Member]
Revenue from External Customer [Line Items]
Net revenues	89,436	86,157
Land [Member]
Revenue from External Customer [Line Items]
Net revenues	37,551	16,310
Naval [Member]
Revenue from External Customer [Line Items]
Net revenues	46,282	39,710
Product and Service, Other [Member]
Revenue from External Customer [Line Items]
Net revenues	$ 32,352	$ 35,127