Restructuring costs, by Functional Line Item in the Condensed Consolidated Statement of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended		12 Months Ended
	Mar. 29, 2015	Jun. 29, 2014	Mar. 30, 2014	Mar. 29, 2015	Mar. 30, 2014	Jun. 29, 2014
Restructuring Cost and Reserve [Line Items]
Charges	$ 0	$ 1,100	$ 416	$ (853)	$ 7,866	$ 8,100
Cost of goods sold [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0		2	(5)	279
Engineering and development [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0		230	(373)	5,489
Sales and marketing [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0		90	(435)	758
General and administrative [Member]
Restructuring Cost and Reserve [Line Items]
Charges	$ 0		$ 94	$ (40)	$ 1,340