Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Schedule of Finite-Life Intangible Assets, Future Amortization Expense (Detail)

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Goodwill and Intangible Assets - Schedule of Finite-Life Intangible Assets, Future Amortization Expense (Detail) - USD ($)
$ in Thousands
Oct. 31, 2015
Jan. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
2016 (for the remaining three months) $ 1,128  
2017 3,191  
2018 2,337  
2019 1,649  
2020 1,076  
2021 and thereafter 1,152  
Finite-life intangible assets, Net $ 10,533 $ 7,314