v3.6.0.2
Other Expense Related to Flooding - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 25, 2016
Dec. 25, 2015
Unusual or Infrequent Item [Line Items]    
Other expense related to flooding   $ 864
Proceeds from insurer in settlement of claims related to flood damage $ 800