SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Tables)
6 Months Ended
May 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of restricted cash balances
The following table summarizes the restricted cash balances as of May 31, 2013 and November 30, 2012 and the location where these amounts are recorded on the Consolidated Balance Sheets:
 
As of 
 
May 31, 2013
 
November 30, 2012
Related to borrowing arrangements and others:
 
 
 
        Other current assets
$
25,539

 
$
23,247

Related to long-term projects:
 
 
 
        Other assets
4,345

 
6,103

Total restricted cash
$
29,884

 
$
29,350