XML 39 R28.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock-Based Compensation (Tables)
3 Months Ended
Jul. 31, 2018
Stock-Based Compensation [Abstract]  
Restricted Stock Data for Awards Granted
The following table summarizes restricted stock awards we granted:

  
Three Months Ended
July 31,
 
  
2018
  
2017
 
Restricted Stock:
      
Awards granted
  
230
   
387
 
Weighted average fair value of grant
 
$
66.55
  
$
51.35