Business Acquisitions, Goodwill and Other Intangible Assets - Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 25, 2016	Jun. 30, 2015
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	$ 61,118	$ 16,618
Accumulated Amortization of Identifiable Intangible Assets	(12,818)	(7,740)
Finite-Lived Intangible Assets, Net	48,300	8,878
Indefinite-lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	61,544	17,044
Intangible Assets Net Excluding Goodwill Accumulated Amortization	(12,818)	(7,740)
Intangible Assets, Net (Excluding Goodwill)	48,726	9,304
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2016	2,759
2017	10,159
2018	9,182
2019	8,367
2020	7,821
2021 and thereafter	10,012
Engineering licenses
Indefinite-lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	426	426
Customer relationships
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	59,218	16,618
Accumulated Amortization of Identifiable Intangible Assets	(12,451)	(7,740)
Finite-Lived Intangible Assets, Net	46,767	8,878
Contract backlog
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	900	0
Accumulated Amortization of Identifiable Intangible Assets	(300)	0
Finite-Lived Intangible Assets, Net	600	0
Technology
Finite-lived Intangible Assets
Finite-Lived Intangible Assets, Gross	1,000	0
Accumulated Amortization of Identifiable Intangible Assets	(67)	0
Finite-Lived Intangible Assets, Net	$ 933	$ 0