v2.4.0.8
Revenue from Continuing Operations by Geographic Region (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Apr. 30, 2014
Jan. 31, 2014
Oct. 31, 2013
Jul. 31, 2013
Apr. 30, 2013
Jan. 31, 2013
Oct. 31, 2012
Jul. 31, 2012
Apr. 30, 2014
Apr. 30, 2013
Apr. 30, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]                      
Revenues from continued operations $ 43,078 $ 43,600 $ 41,148 $ 40,319 $ 38,924 $ 38,920 $ 35,148 $ 33,820 $ 168,145 $ 146,812 $ 106,136
Americas
                     
Segment Reporting, Revenue Reconciling Item [Line Items]                      
Revenues from continued operations                 127,766 [1] 109,545 [1] 82,851 [1]
EMEA
                     
Segment Reporting, Revenue Reconciling Item [Line Items]                      
Revenues from continued operations                 33,499 [2] 27,952 [2] 19,239 [2]
Other
                     
Segment Reporting, Revenue Reconciling Item [Line Items]                      
Revenues from continued operations                 $ 6,880 $ 9,315 $ 4,046
[1] United States and Canada
[2] Europe, the Middle East and Africa