SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Restricted Cash) (Details) (USD $)
In Thousands, unless otherwise specified
May 31, 2013
Nov. 30, 2012
Restricted Cash and Cash Equivalents Items [Line Items]    
Total restricted cash $ 29,884 $ 29,350
Other Current Assets [Member]
   
Restricted Cash and Cash Equivalents Items [Line Items]    
Related to borrowing arrangements and others: 25,539 23,247
Other Assets, Balance Sheet Disclosure [Member]
   
Restricted Cash and Cash Equivalents Items [Line Items]    
Related to long-term projects: $ 4,345 $ 6,103