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Leases - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Oct. 02, 2020
Oct. 01, 2021
Oct. 02, 2020
Sep. 27, 2019
Lessee, Lease, Description [Line Items]        
Impairment of equity method investment and other long term assets   $ 40,640 $ 162,238 $ 0
SG&A Expense        
Lessee, Lease, Description [Line Items]        
Impairment of equity method investment and other long term assets $ 162,000      
Right-of-Use Lease Asset        
Lessee, Lease, Description [Line Items]        
Impairment of equity method investment and other long term assets     127,000  
Other Long-Lived Assets        
Lessee, Lease, Description [Line Items]        
Impairment of equity method investment and other long term assets     $ 35,000