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SHARE-BASED COMPENSATION: (Tables)
 3 Months Ended
Feb. 28, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock based awards granted
The following table summarizes the number of share-based awards granted under the Company’s 2013 Stock Incentive Plan, as amended, during each of the three months ended February 28, 2017 and February 29, 2016, and the grant-date fair value of the awards:
 
Three Months Ended
 
February 28, 2017
 
February 29, 2016
 
Shares awarded
 
Fair value of grants
 
Shares awarded
 
Fair value of grants
Restricted stock awards
1

 
$
134

 
3

 
$
231

Restricted stock units
29


3,416

 
34

 
2,754

 
30

 
$
3,550

 
37

 
$
2,985
Schedule of stock-based compensation expense
The Company recorded share-based compensation expense in the Consolidated Statements of Operations for the three months ended February 28, 2017 and February 29, 2016 as follows:
 
Three Months Ended
 
February 28, 2017
 
February 29, 2016
Cost of revenue
$
3

 
$
114

Selling, general and administrative expenses
4,313

 
3,349

Total share-based compensation
4,316

 
3,463

Tax effect on share-based compensation
(1,456
)
 
(1,264
)
Net effect on net income
$
2,860

 
$
2,199