Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Instruments (Detail) - Level 3 [Member]
$ in Thousands
12 Months Ended
Sep. 26, 2015
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Beginning balance $ 4,414
Performance-based payments made (688)
Changes in the fair value of contingent performance-based payments established at the time of acquisition (101)
Ending balance $ 3,625