Fair Values - Additional Information (Details) - USD ($) $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Total	$ 426,734
Current portion of long-term obligations
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Total	6,800	$ 4,900
Long-term debt
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Total	$ 411,140	$ 392,238