Quarterly report pursuant to Section 13 or 15(d)

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

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Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2014
Jan. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract]    
2015 (for the remaining six months) $ 2,139  
2016 3,511  
2017 2,392  
2018 1,430  
2019 737  
2020 and thereafter 194  
Finite-lived intangible assets, Net $ 10,403 $ 12,655