Goodwill and Other Intangible Assets - Identifiable Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Mar. 29, 2013	Mar. 30, 2012	Mar. 29, 2013	Jun. 30, 2012
Indentifiable Intangible Assets [Line Items]
Goodwill	$ 28,360		$ 28,360			$ 24,888
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross			5,148		9,421
Accumulated Amortization of Identifiable Intangible Assets	(1,401)		(1,401)			(569)
Finite-Lived Intangible Assets, Net	8,020		8,020			4,579
Indefinite-lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	9,847		9,847			5,574
Intangible Assets Net Excluding Goodwill Accumulated Amortization	(1,401)		(1,401)			(569)
Intangible Assets, Net (Excluding Goodwill)	8,446		8,446			5,005
Amortization period of identifiable intangible assets			6 years
Amortization of Intangible Assets	570	174	1,027	489
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2013	560		560
2014	2,122		2,122
2015	1,896		1,896
2016	1,448		1,448
2017	1,077		1,077
2018 and thereafter	917		917
Engineering Licenses
Indefinite-lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	426		426		426	426
Customer Relationships
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross			5,137		9,099
Accumulated Amortization of Identifiable Intangible Assets	(1,257)		(1,257)			(562)
Finite-Lived Intangible Assets, Net	7,842		7,842			4,575
Indefinite-lived Intangible Assets
Amortization period of identifiable intangible assets			7 years
Contract Backlog
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross					322	11
Accumulated Amortization of Identifiable Intangible Assets	(144)		(144)		(144)	(7)
Finite-Lived Intangible Assets, Net	$ 178		$ 178		$ 178	$ 4
Contract Backlog [Member]
Indefinite-lived Intangible Assets
Amortization period of identifiable intangible assets			7 months