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Capital Stock - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
May 08, 2018
Capital Unit [Line Items]        
Capital stock, authorized 210,000,000 210,000,000    
Common stock, authorized 200,000,000 200,000,000    
Preferred stock, authorized 10,000,000 10,000,000    
Common stock, issued 33,935,000 33,103,000    
Common stock, outstanding 24,323,000 23,638,000    
Stock repurchase program, authorized amount       $ 65,000,000.0
Common stock repurchased value   $ 4,217,000 $ 22,916,000  
Remaining dollar value of authorization under the share repurchase program $ 37,900,000      
Stock Repurchase Program [Member]        
Capital Unit [Line Items]        
Common stock shares repurchased 0 648,000    
Common stock repurchased value $ 0 $ 4,200,000