Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Instruments (Details)

v3.20.1
Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Instruments (Details) - Level 3 - USD ($)
$ in Thousands
6 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 7,369 $ 8,224
Estimated contingent performance-based consideration established at the time of acquisition 0 0
Changes in the fair value of contingent performance-based payments established at the time of acquisition 31 (429)
Performance-based payments (6,090) (66)
Ending balance $ 1,310 $ 7,729