Goodwill and Other Intangible Assets - Identifiable Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Jun. 30, 2014
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	$ 12,235		$ 12,726
Accumulated Amortization of Identifiable Intangible Assets	(5,086)			(4,483)
Finite-Lived Intangible Assets, Net	7,640			7,752
Indefinite-lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	13,152			12,661
Intangible Assets Net Excluding Goodwill Accumulated Amortization	(5,086)			(4,483)
Intangible Assets, Net (Excluding Goodwill)	8,066			8,178
Amortization period of identifiable intangible assets	7 years
Amortization of Intangible Assets	713	691
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2015	1,898
2016	2,125
2017	1,671
2018	1,197
2019	542
2020 and thereafter	207
Engineering Licenses
Indefinite-lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	426		426	426
Customer Relationships
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	12,125		12,726
Accumulated Amortization of Identifiable Intangible Assets	(5,086)			(4,400)
Finite-Lived Intangible Assets, Net	7,640			7,725
Indefinite-lived Intangible Assets
Amortization period of identifiable intangible assets	7 years
Contract Backlog
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	110		0
Accumulated Amortization of Identifiable Intangible Assets	0			(83)
Finite-Lived Intangible Assets, Net	$ 0			$ 27
Indefinite-lived Intangible Assets
Amortization period of identifiable intangible assets	8 months