XML 43 R32.htm IDEA: XBRL DOCUMENT v3.4.0.3
Employee Stock and Savings Plans (Tables)
 3 Months Ended
Apr. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock compensation expense recognized
The following table summarizes stock-based compensation expense recognized:
 
Three months ended April 30,
 
2016
 
2015
Cost of revenues
$
711

 
$
708

Operating expenses:
 
 
 
Research and development
4,323

 
4,318

Marketing and selling
2,855

 
2,480

General and administration
2,612

 
2,772

Equity plan-related compensation expense
$
10,501

 
$
10,278