Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Instruments (Details) - Level 3 - USD ($)
$ in Thousands
9 Months Ended
Jun. 24, 2017
Jun. 25, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 5,113 $ 3,625
Estimated contingent performance-based consideration established at the time of acquisition 0 2,590
Changes in the fair value of contingent performance-based payments established at the time of acquisition 204 140
Performance-based payments (1,222)  
Ending balance $ 4,095 $ 6,355