Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Accounts Payable and Accrued Liabilities, Current [Abstract]
Contract costs	$ 40,471	$ 40,343
Legal accruals	8,909	5,232
Lease obligations	5,316	5,564
Accounts Payable, Other, Current	16,731	25
Other	12,488	6,862
Total other accrued liabilities	$ 83,915	$ 58,026