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Credit Facility And Debt (Details) - USD ($)
 6 Months Ended
Dec. 30, 2016
Jul. 01, 2016
Line of Credit Facility [Line Items]    
Outstanding borrowing $ 8,000,000 $ 9,000,000
Silicon Valley Bank    
Line of Credit Facility [Line Items]    
Credit facility, maximum borrowing capacity $ 30,000,000  
Early termination fee percentage 1.00%  
Available credit under credit facility $ 5,100,000  
Line of credit facility, current borrowing capacity $ 20,000,000  
Weight average interest rate 4.03%  
Additional spread on applicable rate in event of default 2.00%  
Silicon Valley Bank | Prime Rate    
Line of Credit Facility [Line Items]    
Debt instrument, description of variable rate basis prime rate  
Silicon Valley Bank | Prime Rate | Minimum    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 0.50%  
Silicon Valley Bank | Prime Rate | Maximum    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 1.50%  
Line of Credit | Silicon Valley Bank    
Line of Credit Facility [Line Items]    
Outstanding borrowing $ 8,000,000 $ 9,000,000
Letter of Credit | Silicon Valley Bank    
Line of Credit Facility [Line Items]    
Credit facility, maximum borrowing capacity 12,000,000  
Letters of credit 6,900,000  
Singapore Line of Credit | Silicon Valley Bank    
Line of Credit Facility [Line Items]    
Credit facility sublimit available for Singapore 30,000,000  
New Zealand    
Line of Credit Facility [Line Items]    
Credit facility, maximum borrowing capacity 400,000  
New Zealand | Short-term Advances    
Line of Credit Facility [Line Items]    
Credit facility, maximum borrowing capacity 300,000  
Available credit under credit facility 300,000  
New Zealand | Standby Letters of Credit    
Line of Credit Facility [Line Items]    
Letters of credit $ 100,000