Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)

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Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Recurring - USD ($)
$ in Thousands
Mar. 28, 2020
Sep. 28, 2019
Mar. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure $ 1,310 $ 7,369 $ 7,729
Liability for contingent consideration      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure 1,310 7,369 7,729
Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure 0 0 0
Level 1 | Liability for contingent consideration      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure 0 0 0
Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure 0 0 0
Level 2 | Liability for contingent consideration      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure 0 0 0
Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure 1,310 7,369 7,729
Level 3 | Liability for contingent consideration      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure 1,310 $ 7,369 $ 7,729
Segrest, Inc. | Liability for contingent consideration      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Liabilities, fair value disclosure $ 6,000