v2.4.0.8
Property and Equipment, Including Capitalized Software Development Costs (Detail) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2014
Apr. 30, 2013
Property, Plant and Equipment [Line Items]    
Property and Equipment, gross $ 35,610 $ 26,605
Less: accumulated depreciation and amortization (18,605) (12,144)
Property and Equipment, net 17,005 14,461
Computer Equipment
   
Property, Plant and Equipment [Line Items]    
Property and Equipment, gross 3,380 3,653
Furniture and Fixtures
   
Property, Plant and Equipment [Line Items]    
Property and Equipment, gross 2,453 2,434
Office Equipment
   
Property, Plant and Equipment [Line Items]    
Property and Equipment, gross 1,827 1,607
Software
   
Property, Plant and Equipment [Line Items]    
Property and Equipment, gross 1,407 1,466
Capitalized internal-use software development costs
   
Property, Plant and Equipment [Line Items]    
Property and Equipment, gross 20,245 12,230
Leasehold Improvements
   
Property, Plant and Equipment [Line Items]    
Property and Equipment, gross $ 6,298 $ 5,215