Goodwill and Intangible Assets (Schedule of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Thousands	Oct. 02, 2016	Jul. 03, 2016
Finite-Lived Intangible Assets [Line Items]
Original cost	$ 17,100	$ 17,100
Accumulated amortization	(10,450)	(9,900)
Total intangible assets	6,650	7,200
Intellectual property [Member]
Finite-Lived Intangible Assets [Line Items]
Original cost	13,100	13,100
Accumulated amortization	(8,550)	(8,100)
Total intangible assets	4,550	5,000
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Original cost	4,000	4,000
Accumulated amortization	(1,900)	(1,800)
Total intangible assets	$ 2,100	$ 2,200