Stockholders' Equity (Stock Based Compensation Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 565	$ 460	$ 1,511	$ 1,382
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	36	186	225	668
Restricted stocks units and performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	529	274	1,286	714
Cost of revenues
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	48	44	151	125
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	38	28	100	92
Selling and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 479	$ 388	$ 1,260	$ 1,165