Commitments and Contingencies (Narrative) (Details) ft² in Thousands, $ in Thousands	1 Months Ended		3 Months Ended				12 Months Ended
	Apr. 30, 2017 USD ($)	May 31, 2016 USD ($)	Jun. 30, 2017 USD ($) ft²	Mar. 31, 2017 USD ($)	Dec. 30, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) ft²	Jul. 01, 2016 USD ($)	Jul. 03, 2015 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Future minimum commitments			$ 7,555				$ 7,555
Rental expense for operating leases							4,000	$ 5,100	$ 6,500
Purchase obligations							17,800
Other commitment			1,400				1,400
Commercial commitments, outstanding			34,700				$ 34,700
Payment for performance guarantee			$ 0	$ 0	$ 365	$ 0
Maximum
Property Subject to or Available for Operating Lease [Line Items]
Guarantee term							2 years
Office building at Milpitas, California | Corporate Headquarters
Property Subject to or Available for Operating Lease [Line Items]
Office Space (in sq.ft.) | ft²			19				19
Lessee term							60 months
Future minimum commitments			$ 1,400				$ 1,400
Australia
Property Subject to or Available for Operating Lease [Line Items]
Damages claimed by plaintiff		$ 1,000
Africa
Property Subject to or Available for Operating Lease [Line Items]
Litigation settled, amount	$ 200