Annual report pursuant to Section 13 and 15(d)

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

v3.7.0.1
Goodwill and Intangible Assets - Schedule of Finite-Life Intangible Assets, Future Amortization Expense (Detail) - USD ($)
$ in Thousands
Jan. 31, 2017
Jan. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
2018 $ 1,412  
2019 931  
2020 257  
2021 3  
2022 0  
2023 and thereafter 0  
Finite-life intangible assets, Net $ 2,603 $ 4,126