Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Instruments (Details) - Level 3 - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Dec. 29, 2018 |
Dec. 30, 2017 |
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Beginning balance | $ 8,224 | $ 9,343 |
| 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 | (554) | (192) |
| Performance-based payments | (54) | (93) |
| Ending balance | $ 7,616 | $ 9,058 |
| X | ||||||||||
- Definition Business combination contingent consideration performance based payments made. No definition available.
|
| X | ||||||||||
- Definition Estimated performance based contingent consideration established on acquisition. No definition available.
|
| X | ||||||||||
- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Details
|