XML 39 R24.htm IDEA: XBRL DOCUMENT v3.8.0.1
Redeemable Capital Shares - Schedule for Redeemable Capital Shares Activity (Detail) - USD ($)
 12 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Temporary Equity Disclosure [Abstract]      
Opening Balance, Shares 1,200,000 1,600,000 1,200,000
Shares Issued, Shares 3,300,000 5,050,000 4,900,000
Shares Redeemed, Shares (3,200,000) (5,450,000) (4,500,000)
Adjustment to period Shares due to currency movement and other, Shares 0 0 0
Ending Balance, Shares 1,300,000 1,200,000 1,600,000
Opening Balance, Amount $ 110,230,193 $ 128,567,957 $ 104,213,390
Shares Issued, Amount 283,768,433 443,142,449 395,772,647
Shares Redeemed, Amount (275,123,327) (477,929,067) (363,514,395)
Adjustment to period Shares due to currency movement and other, Amount (8,992,111) 16,448,854 (7,903,685)
Ending Balance, Amount $ 109,883,188 $ 110,230,193 $ 128,567,957