Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Schedule of Change in Carrying Amount of Goodwill (Detail)

v2.4.1.9
Goodwill and Intangible Assets - Schedule of Change in Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Goodwill [Roll Forward]    
Goodwill, Beginning balance $ 45,150us-gaap_Goodwill $ 45,103us-gaap_Goodwill
Cumulative translation adjustment (4,142)us-gaap_GoodwillTranslationAdjustments 47us-gaap_GoodwillTranslationAdjustments
Goodwill, Ending balance $ 41,008us-gaap_Goodwill $ 45,150us-gaap_Goodwill