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Face amount or stated value per share of common stock.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Description of Business (Details) $ / shares in Units, $ in Thousands				12 Months Ended
	Apr. 18, 2019 USD ($)	Jan. 29, 2019 USD ($)	Jul. 31, 2018 USD ($)	Jun. 30, 2019 USD ($) program contractor $ / shares	Jun. 30, 2018 USD ($) $ / shares	Jun. 30, 2017 USD ($)	May 31, 2019 $ / shares	May 29, 2019 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
Common stock, par value (in dollars per share) \| $ / shares				$ 0.01	$ 0.01
Equity Securities, FV-NI								$ 6,900
Price of stock sold (in dollars per share) \| $ / shares							$ 69.00
Proceeds from Issuance of Common Stock				$ 454,343	$ 0	$ 215,725
The Athena Group, Inc And Syntonic Microwave LLC
Total purchase price	$ 46,000
GECO Avionics, LLC
Total purchase price		$ 36,500
Germane Systems, LC
Total purchase price			$ 45,000,000