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Leases - Additional Information (Detail) - USD ($)
$ in Thousands
 6 Months Ended
Dec. 26, 2019
Jun. 28, 2019
Operating Leased Assets [Line Items]    
Operating lease right-of-use assets $ 4,823  
Operating lease, liability 4,810  
Operating leases not yet commenced $ 164  
Minimum [Member]    
Operating Leased Assets [Line Items]    
Discount rate   4.20%
Lessee operating lease lease not yet commenced term 3 years  
Maximum [Member]    
Operating Leased Assets [Line Items]    
Discount rate   5.80%
Remaining lease term 5 years 4 months 24 days  
Lessee operating lease lease not yet commenced term 5 years  
Accounting Standards Update 2016-02 [Member]    
Operating Leased Assets [Line Items]    
Operating lease right-of-use assets   $ 5,361
Operating lease, liability   $ 5,320