Goodwill and Other Intangible Assets - Identifiable Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2014
Indentifiable Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	$ 9,608			$ 12,235
Accumulated Amortization of Identifiable Intangible Assets	(4,483)	(1,905)
Finite-Lived Intangible Assets, Net	7,752	7,703
Indefinite-lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	12,661	10,034
Intangible Assets Net Excluding Goodwill Accumulated Amortization	(4,483)	(1,905)
Intangible Assets, Net (Excluding Goodwill)	8,178	8,129
Amortization of Intangible Assets	2,868	1,594	690
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2015	2,483
2016	1,998
2017	1,564
2018	1,112
2019	476
2020 and thereafter	119
Forecast Assumptions Period	3 years
Engineering Licenses
Indefinite-lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	426	426		426
Customer Relationships
Indentifiable Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	9,349			12,125
Accumulated Amortization of Identifiable Intangible Assets	(4,400)	(1,711)
Finite-Lived Intangible Assets, Net	7,725	7,638
Contract Backlog
Indentifiable Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	8 months
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	259			110
Accumulated Amortization of Identifiable Intangible Assets	(83)	(194)
Finite-Lived Intangible Assets, Net	$ 27	$ 65