PENSION AND EMPLOYEE BENEFITS PLANS:
 6 Months Ended
May 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Pension and Employee Benefits Plan
PENSION AND EMPLOYEE BENEFITS PLANS: 
The employees of Infotec Japan are covered by certain defined benefit pension plans, including a multi-employer pension plan. Full-time employees are eligible to participate in the plans on the first day of February following their date of hire and are not required to contribute to the plans.
The components of net periodic pension costs pertaining to the Company's single employer benefit plan during the three and six months ended May 31, 2013 and 2012 were as follows:
 
Three Months Ended
 
Six Months Ended
 
May 31, 2013
 
May 31, 2012
 
May 31, 2013
 
May 31, 2012
Service cost
$
146

 
$
192

 
$
308

 
$
369

Interest cost
37

 
50

 
77

 
96

Expected return on plan assets
(15
)
 
(30
)
 
(31
)
 
(58
)
Net periodic pension costs
$
168

 
$
212

 
$
354

 
$
407


During the three and six months ended May 31, 2013, the Company contributed $164 and $337, respectively, to the single-employer benefit plan. During the three and six months ended May 31, 2012, the Company contributed $236 and $434, to the plan, respectively.