Financial Information by Geographic Location (Tables)
|9 Months Ended|
Jan. 31, 2017
|Segment Reporting [Abstract]|
|Revenue by geographic location||
Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.
Reference 1: http://www.xbrl.org/2003/role/presentationRef