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Debt - Narrative (Details) - USD ($)
12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 05, 2019
Dec. 04, 2019
Short-term Debt [Line Items]        
Short-term borrowings $ 1,900,000 $ 2,200,000    
Bank overdrafts 800,000      
The Facility | Revolving Line of Credit        
Short-term Debt [Line Items]        
Maximum borrowing capacity     $ 200,000,000.0 $ 150,000,000.0
Short-term borrowings 0 0    
Remaining borrowing capacity $ 200,000,000.0 $ 150,000,000.0    
The Facility | Revolving Line of Credit | Facility Fee        
Short-term Debt [Line Items]        
Commitment fee percentage (in basis points) 0.15% 0.175%    
Securitization Facility        
Short-term Debt [Line Items]        
Maximum borrowing capacity     $ 150,000,000.0 $ 200,000,000.0
Short-term borrowings $ 0 $ 0    
Remaining borrowing capacity 97,700,000 145,000,000.0    
Securitization Facility | Standby Letter of Credit Related to Workers' Compensation        
Short-term Debt [Line Items]        
Letters of credit outstanding $ 52,300,000 $ 55,000,000.0    
Interest rate 0.90% 0.90%    
Securitization Facility | Facility Fee        
Short-term Debt [Line Items]        
Commitment fee percentage (in basis points) 0.40%      
Unsecured Uncommitted Short-term Local Credit Facilities        
Short-term Debt [Line Items]        
Maximum borrowing capacity $ 11,100,000      
Short-term borrowings $ 1,100,000 $ 2,200,000    
Interest rate 6.76% 8.42%