v3.3.1.900
INVESTMENTS: (Tables)
 12 Months Ended
Nov. 30, 2015
Investments [Abstract]  
Schedule of carrying amount of investments
The carrying amount of the Company’s investments is shown in the table below: 
 
As of November 30, 2015
 
As of November 30, 2014
 
Cost Basis
 
Unrealized
Gains
 
Carrying
Value
 
Cost Basis
 
Unrealized
Gains
 
Carrying
Value
Short-term investments:
 
 
 
 
 
 
 
 
 
 
 
Trading securities
$
—

 
$
—

 
$
—

 
$
1,614

 
$
373

 
$
1,987

Held-to-maturity investments
5,546

 
—

 
5,546

 
5,141

 
—

 
5,141

 
$
5,546

 
$
—

 
$
5,546

 
$
6,755

 
$
373

 
$
7,128

Long-term investments in other assets:
 
 
 
 
 
 
 
 
 
 
 
Available-for-sale securities
$
837

 
$
1,073

 
$
1,910

 
$
843

 
$
897

 
$
1,740

Cost-method investments
4,555

 
—

 
4,555

 
4,578

 
—

 
4,578
Schedule of trading investments gains and (losses)
The following table summarizes the total gains recorded in “Other income (expense), net” in the Consolidated Statements of Operations for changes in the fair value of the Company's trading investments during fiscal years 2015, 2014, and 2013:
 
Fiscal Years Ended November 30,
 
2015
 
2014
 
2013
Gains on trading investments
$
50

 
$
397

 
$
1,868