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Schedule of Highest and Lowest Outstanding Balance Under Facility (Detail) - USD ($)
$ in Thousands
Apr. 18, 2020
Dec. 28, 2019
Accounts Receivable Securitization Facility    
Debt Instrument [Line Items]    
Unsecured credit facility $ 49,000 $ 26,000
Accounts Receivable Securitization Facility | Maximum    
Debt Instrument [Line Items]    
Unsecured credit facility 79,000  
Accounts Receivable Securitization Facility | Minimum    
Debt Instrument [Line Items]    
Unsecured credit facility 19,000  
Unsecured Credit Facility    
Debt Instrument [Line Items]    
Unsecured credit facility 225,000 $ 41,750
Unsecured Credit Facility | Maximum    
Debt Instrument [Line Items]    
Unsecured credit facility 235,000  
Unsecured Credit Facility | Minimum    
Debt Instrument [Line Items]    
Unsecured credit facility $ 6,400