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Leases - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Sep. 25, 2021
Dec. 25, 2021
Dec. 26, 2020
Lessee Lease Description [Line Items]      
Lease Option to Extend   The leases expire at various dates through fiscal year 2029, some of which include options to extend the lease for up to 5 years.  
Lease Expiration Year.   2029  
Lessee, Operating Lease, Existence of Option to Extend true    
Operating Leases, Expense   $ 5.7 $ 5.0
Operating Lease, Weighted Average Remaining Lease Term   6 years 2 months 12 days  
Operating Lease, Weighted Average Discount Rate, Percent   3.80%  
Maximum      
Lessee Lease Description [Line Items]      
Duration of Extending leases   5 years