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Total Borrowing, Including Revolving and Long-Term Borrowings (Detail) - USD ($)
$ in Thousands
6 Months Ended
Dec. 25, 2015
Jun. 26, 2015
Dec. 26, 2014
Jun. 27, 2014
Debt Instrument [Line Items]        
Revolving borrowing $ 48,000 $ 30,000    
Current portion of long-term borrowing 6,000 6,000    
Bank borrowings, including revolving loan and current portion of long-term loan from bank 54,000 36,000    
Long-term borrowing 7,500 10,500 $ 13,500 $ 16,500
Non-current portion $ 1,500 $ 4,500    
Revolving Credit Facility        
Debt Instrument [Line Items]        
Rate [1] LIBOR + 1.75% per annum      
Conditions Repayable in 1 to 6 months      
Term [2] 2016-01      
Revolving Credit Facility | Minimum        
Debt Instrument [Line Items]        
Repayment duration 1 month      
Revolving Credit Facility | Maximum        
Debt Instrument [Line Items]        
Repayment duration 6 months      
Long-term borrowing        
Debt Instrument [Line Items]        
Rate [1] LIBOR + 2.8% per annum      
Conditions Repayable in quarterly installments within 6 years      
Repayment duration 6 years      
Term 2017-03      
LIBOR | Minimum        
Debt Instrument [Line Items]        
Margin above LIBOR 1.75%      
LIBOR | Maximum        
Debt Instrument [Line Items]        
Margin above LIBOR 2.50%      
LIBOR | Revolving Credit Facility        
Debt Instrument [Line Items]        
Margin above LIBOR 1.75%      
LIBOR | Long-term borrowing        
Debt Instrument [Line Items]        
Margin above LIBOR 2.80%      
[1] LIBOR is London Interbank Offered Rate.
[2] In January 2016, the maturity date of these revolving borrowings were extended to mature in February 2016.