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Long-Term Debt - Scheduled Maturities of Long-Term Debt (Details) - USD ($)
$ in Thousands
Sep. 29, 2019
Sep. 30, 2018
Debt Disclosure [Abstract]    
2020 $ 12,572  
2021 12,515  
2022 15,625  
2023 235,809  
Total long-term debt $ 276,521 $ 277,311