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Revolving Credit Facility - Additional Information (Detail) - USD ($)
Jun. 29, 2017
Jun. 30, 2016
Feb. 07, 2008
Debt Instrument [Line Items]      
Revolving credit facility borrowings $ 29,456,000 $ 12,084,000  
Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Revolving loan commitment and letter of credit sub facility     $ 117,500,000
Weighted average interest rate for the Credit Facility 3.11% 3.75%  
Minimum loan availability required before fixed charge coverage ratio covenant is applicable $ 25,000,000    
Available credit under the Credit Facility 84,369,000    
Revolving credit facility borrowings 29,456,000    
Outstanding letters of credit $ 3,675,000