v3.7.0.1
FAIR VALUE MEASUREMENTS: (Tables)
 3 Months Ended
Feb. 28, 2017
Fair Value Disclosures [Abstract]  
Schedule of valuation of investments and financial instruments measured at fair value on recurring basis
The following table summarizes the valuation of the Company’s investments and financial instruments that are measured at fair value on a recurring basis:  
 
As of February 28, 2017
 
As of November 30, 2016
 
Total
 
Fair value measurement category
 
Total
 
Fair value measurement category
 
Level 1
 
Level 2
 
Level 3
 
Level 1
 
Level 2
 
Level 3
Assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash equivalents
$
38,881

 
$
38,881

 
$
—

 
$
—

 
$
43,043

 
$
43,043

 
$
—

 
$
—

Available-for-sale securities
2,079

 
2,079

 
—

 
—

 
1,883

 
1,883

 
—

 
—

Forward foreign currency exchange contracts
901

 
—

 
901

 
—

 
1,700

 
—

 
1,700

 
—

Liabilities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Forward foreign currency exchange contracts
$
1,188

 
$
—

 
$
1,188

 
$
—

 
$
979

 
$
—

 
$
979

 
$
—

Interest rate swaps
5,332

 
—

 
5,332

 
—

 
7,248

 
—

 
7,248

 
—