Equity (Stock Based Compensation Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 02, 2020	Sep. 27, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 571	$ 407
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	167	110
Restricted and performance stock awards and units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	404	297
Cost of revenues
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	72	44
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	40	27
Selling and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 459	$ 336