Basis of Presentation - Summary of Unrecognized Compensation Cost Related to Non-vested Awards Granted (Detail) (USD $) In Thousands, unless otherwise specified	Nov. 01, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 1,398
2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	250
2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	776
2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	310
2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 62