Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Instruments (Details) - Level 3 - USD ($)
$ in Thousands
6 Months Ended
Mar. 26, 2016
Mar. 28, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance $ 3,625 $ 4,414
Estimated contingent performance-based consideration established at the time of acquisition 2,590  
Changes in the fair value of contingent performance-based payments established at the time of acquisition 0 (71)
Ending balance $ 6,215 $ 4,343