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NOTE 5. INVESTMENT IN AFFILIATES (Details) - USD ($)
$ in Thousands
May. 31, 2015
Nov. 30, 2014
May. 31, 2014
Investment in affiliates $ 262,092 $ 284,865  
The Galore Creek Partnership, British Columbia, Canada      
Investment in affiliates     $ 283,247
Donlin Gold LLC, Alaska, USA      
Investment in affiliates 1,486   $ 1,618
The Galore Creek Partnership, British Columbia, Canada      
Investment in affiliates $ 260,606