Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Asset-Based Loan Facility Amendment, Additional Information (Details)

v3.20.2
Long-Term Debt - Asset-Based Loan Facility Amendment, Additional Information (Details) - USD ($)
12 Months Ended
Sep. 27, 2019
Sep. 26, 2020
Debt Instrument [Line Items]    
Outstanding letters of credit   $ 2,400,000
Line of credit facility, commitment fee percentage 0.125%  
Short-Notice Borrowing    
Debt Instrument [Line Items]    
Outstanding letters of credit   40,000,000
Standby Letters of Credit    
Debt Instrument [Line Items]    
Outstanding letters of credit   $ 50,000,000
Asset-based Revolving Credit Facility | LIBOR    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility 0.00%  
Asset-based Revolving Credit Facility | Base Rate    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility   0.25%
Letter of Credit    
Debt Instrument [Line Items]    
Other letters of credit outstanding   $ 2,400,000
Secured Debt | Asset-based Revolving Credit Facility    
Debt Instrument [Line Items]    
Principal amount $ 400,000,000  
Additional principal amount $ 200,000,000  
Borrowing base   400,000,000
Long-term line of credit   0
Other letters of credit outstanding   0
Debt issuance costs   $ 1,600,000
Debt instrument fixed charge coverage ratio   1.00
Secured Debt | Asset-based Revolving Credit Facility | Federal Funds Rate    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility 0.50%  
Secured Debt | Asset-based Revolving Credit Facility | One-month LIBOR    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility 1.00%  
Secured Debt | Asset-based Revolving Credit Facility | LIBOR    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility   1.25%
Applicable interest rate on the credit facility   1.40%
Secured Debt | Asset-based Revolving Credit Facility | LIBOR | Minimum    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility 1.00%  
Secured Debt | Asset-based Revolving Credit Facility | LIBOR | Maximum    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility 1.50%  
Secured Debt | Asset-based Revolving Credit Facility | Base Rate    
Debt Instrument [Line Items]    
Applicable interest rate on the credit facility   3.50%
Secured Debt | Asset-based Revolving Credit Facility | Base Rate | Minimum    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility 0.00%  
Secured Debt | Asset-based Revolving Credit Facility | Base Rate | Maximum    
Debt Instrument [Line Items]    
Applicable interest margin rate on the credit facility 0.50%