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Other Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jan. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract]  
Amortization expense for remainder of fiscal 2014 $ 1.0
Amortization expense for the year 2015 1.3
Amortization expense for the year 2016 1.2
Amortization expense for the year 2017-2018 1.1
Amortization expense for the year 2019-2023 $ 0.8