Description of Business (Details) $ in Thousands							12 Months Ended
	Feb. 01, 2018 USD ($)	Jul. 03, 2017 USD ($)	Apr. 03, 2017 USD ($)	Nov. 04, 2016 USD ($)	Nov. 03, 2016 USD ($)	May 02, 2016 USD ($)	Jun. 30, 2018 USD ($) program contractor	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Number of programs using products and services, more than 300 | program							300
Number of contractors using products and services, more than 25 | contractor							25
Payments to Acquire Businesses, Net of Cash Acquired							$ 185,396	$ 77,757	$ 309,756
Themis
Payments to Acquire Businesses, Net of Cash Acquired	$ 180,000
RTL
Total purchase price		$ 5,798
Delta
Total purchase price			$ 40,500
Cash paid at closing			$ 40,500
CES Creative Electronic Systems S.A.
Total purchase price				$ 38,793	$ 39,123
Cash paid at closing				$ 39,123
Carve-Out Business
Cash paid at closing						$ 300,000