XML 40 R20.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investment in Gold (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended 12 Months Ended
Mar. 31, 2012
oz
Sep. 30, 2011
oz
Ounces of Gold:    
Beginning Balance 39,928,900 41,813,100
Creations (excluding gold receivable at March 31, 2012 - 0 and at September 30, 2011 - 0) 4,025,800 11,463,000
Redemptions (excluding gold payable at March 31, 2012 - 0 and at September 30, 2011 - 321.2) (2,508,700) (13,192,200)
Sales of gold (79,900) (155,000)
Closing Balance 41,366,100 39,928,900
Investment in Gold (lower of cost or market):    
Opening Balance $ 42,736,696 [1],[2] $ 37,736,064
Creations (excluding gold receivable at March 31, 2012 - $0 and at September 30, 2011 - $0) 6,953,446 17,776,506
Redemptions (excluding gold payable at March 31, 2012 - $0 and at September 30, 2011 - $520297 ) (2,938,297) (12,628,298)
Sales of gold (87,846) (147,576)
Closing Balance 46,663,999 [2] 42,736,696 [1],[2]
Investment in Gold (Textual) [Abstract]    
Gold receivable ounces of gold 0 0
Gold payable ounces of gold 0 321,200
Gold receivable 0 0
Gold payable $ 0 $ 520,297 [1]
[1] Derived from audited statement of condition as of September 30, 2011.
[2] The market value of Investment in Gold at March 31, 2012 is $68,771,219 and at September 30, 2011 was $64,684,848.