Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 111,002	$ 110,635
Accumulated Depreciation	(75,933)	(73,600)
Property and Equipment, net	35,069	37,035
Flight Assets
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	44,757	44,757
Payload Processing Facilities
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	45,866	45,866
Furniture, Fixtures, Equipment & Leasehold Improvements
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	20,376	19,973
Capital Improvements in Progress
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 3	$ 39