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Fair Value Measurements (Tables)
 9 Months Ended
Aug. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value Measurements within the Fair Value Hierarchy of the Financial Assets
The following table details the fair value measurements within the fair value hierarchy of our financial assets and liabilities at August 31, 2017 (in thousands):
 
 
 
 
Fair Value Measurements Using
 
Total Fair
Value
 
Level 1
 
Level 2
 
Level 3
Assets
 
 
 
 
 
 
 
Money market funds
$
5,846

 
$
5,846

 
$
—

 
$
—

State and municipal bond obligations
37,735

 
—

 
37,735

 
—

U.S. treasury bonds
3,506

 
—

 
3,506

 
—

Corporate bonds
6,318

 
—

 
6,318

 
—

Liabilities
 
 
 
 
 
 
 
Foreign exchange derivatives
$
(3,540
)
 
$
—

 
$
(3,540
)
 
$
—


The following table details the fair value measurements within the fair value hierarchy of our financial assets and liabilities at November 30, 2016 (in thousands):
 
 
 
 
Fair Value Measurements Using
 
Total Fair
Value
 
Level 1
 
Level 2
 
Level 3
Assets
 
 
 
 
 
 
 
Money market funds
$
10,173

 
$
10,173

 
$
—

 
$
—

State and municipal bond obligations
32,724

 
—

 
32,724

 
—

U.S. treasury bonds
6,513

 
—

 
6,513

 
—

Corporate bonds
3,481

 
—

 
3,481

 
—

Liabilities
 
 
 
 
 
 
 
Foreign exchange derivatives
$
(6,616
)
 
$
—

 
$
(6,616
)
 
$
—