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Share-Based Compensation (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jul. 27, 2018
Jul. 28, 2017
Mar. 30, 2019
Mar. 31, 2018
Mar. 30, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unrecognized Share-based Compensation Expense     $ 500,000   $ 500,000  
Unrecognized Share-based Compensation, Period for Recognition         1 year 8 months 19 days  
Stock Appreciation Rights (SARs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
SARs Granted 161,250 272,500        
Strike Price $ 8.17 $ 7.26        
Fair Value $ 2.27 $ 1.89        
Share-based Compensation Expense     $ 80,000 $ 56,000 $ 354,000 $ 307,000