Operating Segment, Geographic Information and Platform - Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 02, 2021	Mar. 27, 2020	Apr. 02, 2021	Mar. 27, 2020
Revenue from External Customer [Line Items]
Net revenues	$ 256,857	$ 208,016	$ 673,154	$ 579,233
Airborne [Member]
Revenue from External Customer [Line Items]
Net revenues	120,640	110,728	299,551	303,186
Land [Member]
Revenue from External Customer [Line Items]
Net revenues	54,394	26,130	149,949	66,572
Naval [Member]
Revenue from External Customer [Line Items]
Net revenues	47,775	44,631	130,616	116,782
Product and Service, Other [Member]
Revenue from External Customer [Line Items]
Net revenues	$ 34,048	$ 26,527	$ 93,038	$ 92,693