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Redeemable Capital Shares (Tables)

12 Months Ended

Oct. 31, 2011

Redeemable Capital Shares [Abstract]

Schedule Of Activity In Redeemable Capital Shares


		Year ended October 31, 2011								Year ended October 31, 2010								Year ended October 31, 2009
		Shares				U.S. Dollar Amount				Shares				U.S. Dollar Amount				Shares				U.S. Dollar Amount
Opening balance			2,800,000			$	387,741,044				3,900,000			$	574,795,922				3,950,000			$	502,378,480
Shares issued			25,450,000				3,532,613,866				18,800,000				2,527,532,186				4,050,000				553,905,548
Shares redeemed			(26,400,000	)			(3,664,496,177	)			(19,900,000	)			(2,675,163,019	)			(4,100,000	)			(560,619,175	)
Adjustment to period Shares due to currency movement and other			—				1,238,001				—				(39,424,045	)			—				79,131,069

Ending balance			1,850,000			$	257,096,734				2,800,000			$	387,741,044				3,900,000			$	574,795,922