Noncontrolling Interest - Interest Held (Details) - USD ($) $ in Thousands	12 Months Ended				27 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2017
Noncontrolling Interest [Line Items]
Acquisition of non-controlling interest	$ 0
Ownership interest	100.00%	92.00%	83.00%	72.00%	100.00%
Astrotech
Noncontrolling Interest [Line Items]
Acquisition of non-controlling interest	$ 3,500	$ 3,000	$ 1,000	$ 1,422	$ 8,922
Minority Owner
Noncontrolling Interest [Line Items]
Acquisition of non-controlling interest	$ (422)	$ 0	$ 0	$ 422	$ 0
Astral Images, Inc
Noncontrolling Interest [Line Items]
Ownership interest	100.00%	92.00%		72.00%	100.00%