Operating Segment, Geographic Information and Platform - Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2021	Jan. 01, 2021
Revenue from External Customer [Line Items]
Net revenues	$ 220,380	$ 210,676	$ 445,393	$ 416,297
Airborne
Revenue from External Customer [Line Items]
Net revenues	110,990	91,662	227,554	178,911
Land
Revenue from External Customer [Line Items]
Net revenues	25,976	58,004	61,833	95,555
Naval
Revenue from External Customer [Line Items]
Net revenues	34,236	36,559	74,213	82,841
Other
Revenue from External Customer [Line Items]
Net revenues	$ 49,178	$ 24,451	$ 81,793	$ 58,990