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Share-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended
Oct. 01, 2017
Oct. 02, 2016
Stock-based compensation    
Compensation expense $ 287 $ 312
Unrecognized compensation cost $ 600  
Weighted-average period that cost is expected to be recognized 1 year 7 months 6 days  
Selling, general and administrative costs    
Stock-based compensation    
Compensation expense $ 300 $ 300