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
Oct. 31, 2013
Jan. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]    
2014 (for the remaining three months) $ 1,243  
2015 4,222  
2016 3,441  
2017 2,379  
2018 1,713  
2019 and thereafter 937  
Finite-lived intangible assets, Net $ 13,935 $ 17,314