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Redeemable Capital Shares (Tables)
 12 Months Ended
Oct. 31, 2012
Equity [Abstract]  
Activity in redeemable capital Shares

Activity in redeemable capital Shares is as follows:

 

                                                 
    Year ended
October 31, 2012		     Year ended
October 31, 2011		     Year ended
October 31, 2010		  
    Shares     U.S. Dollar
Amount		     Shares     U.S. Dollar
Amount		     Shares     U.S. Dollar
Amount		  

Opening balance

     6,350,000     $ 635,831,194       5,850,000     $ 571,687,445       6,000,000     $ 555,522,004  

Shares issued

     150,000       14,846,422       7,700,000       775,887,155       2,600,000       249,212,202  

Shares redeemed

     (1,550,000 )      (153,417,420 )      (7,200,000 )      (725,504,395 )      (2,750,000 )      (263,517,597 ) 

Adjustment to period Shares due to currency movement and other

     —         (4,750,127 )      —         13,760,989       —         30,470,836  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Ending balance

     4,950,000     $ 492,510,069       6,350,000     $ 635,831,194       5,850,000     $ 571,687,445