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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS (Tables)
12 Months Ended
Jun. 30, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS  
Geographic distribution of royalty revenue and long-lived assets (royalty interests in mineral properties, net)

 

 

 
  Royalty Revenue   Royalty Interests in
Mineral Property, net
 
 
  Fiscal Year Ended
June 30,
  Fiscal Year Ended
June 30,
 
 
  2012   2011   2010   2012   2011   2010  

Chile

    25 %   21 %   4 %   35 %   40 %   42 %

Canada

    24 %   19 %   4 %   43 %   36 %   27 %

Mexico

    20 %   18 %   15 %   9 %   11 %   13 %

United States

    18 %   24 %   40 %   5 %   3 %   5 %

Africa

    4 %   9 %   29 %   1 %   2 %   2 %

Australia

    5 %   5 %   5 %   3 %   5 %   6 %

Other

    4 %   4 %   3 %   4 %   3 %   5 %