Annual report pursuant to Section 13 and 15(d)

Organization and Significant Accounting Policies - Additional Information (Detail)

v3.10.0.1
Organization and Significant Accounting Policies - Additional Information (Detail) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Sep. 29, 2018
Dec. 30, 2017
Dec. 24, 2016
Sep. 29, 2018
Sep. 30, 2017
Sep. 24, 2016
New Accounting Pronouncement, Early Adoption [Line Items]            
Cost of goods sold and occupancy       $ 1,539,986 $ 1,421,670 $ 1,275,967
Cost of shipping and handling included in selling, general and administrative expenses       70,100 59,300 48,900
Advertising expenses       29,700 34,500 30,000
Employees benefit plan       2,300 2,400 1,700
Valuation allowances related to net deferred tax assets $ 6,809     $ 6,809 $ 6,527  
Maturity period of debt instruments (in months)       3 months    
Capitalized costs write off           $ 1,800
Statutory federal income tax rate       24.50% 35.00% 35.00%
Foreign earnings held in cash or cash equivalents, tax rate (as a percent)     15.50%      
Foreign earnings held in non-cash, tax rate (as a percent)     8.00%      
Transition tax   $ 200 $ 200      
Foreign undistributed earnings     $ 1,500      
Provisional tax benefit $ 5,200 $ 16,300   $ 21,500    
Building            
New Accounting Pronouncement, Early Adoption [Line Items]            
Useful life       30 years    
Minimum | Equipment and Capitalized Software            
New Accounting Pronouncement, Early Adoption [Line Items]            
Useful life       3 years    
Maximum | Equipment and Capitalized Software            
New Accounting Pronouncement, Early Adoption [Line Items]            
Useful life       10 years    
Class A common stock            
New Accounting Pronouncement, Early Adoption [Line Items]            
401(k) matching contributions made in Class A common stock       61 81 99
Subsidiaries            
New Accounting Pronouncement, Early Adoption [Line Items]            
Noncontrolling interest owned by the subsidiary 20.00%     20.00%    
Shipping and Handling            
New Accounting Pronouncement, Early Adoption [Line Items]            
Cost of goods sold and occupancy       $ 12,200 $ 9,400 $ 3,800