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Euro Deposits - Additional Information (Detail)	3 Months Ended	12 Months Ended
	Jan. 31, 2014 EUR (€)	Oct. 31, 2013 EUR (€)	Jan. 31, 2014 USD ($)		Oct. 31, 2013 USD ($)	Jan. 31, 2014 Redemptions payable [Member] USD ($)	Oct. 31, 2013 Redemptions payable [Member] USD ($)
Securities Financing Transaction [Line Items]
Euro principal deposits	€ 177,975,063	€ 674,107,707
Euro principal redemptions	158,188,773	728,613,993
Euro principal withdrawals	168,267	739,792
Euro principal balance	€ 168,054,106	€ 148,436,083	$ 226,629,428	[1]	$ 195,074,404	$ 226,629,428	$ 201,798,731
Interest rate on interest-bearing demand account			0.00%
[1] (Unaudited)

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- Definition

Interest Bearing Demand Account Euro Principal Withdrawals

+ References

No definition available.

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- Definition

Payments For Interest Bearing Deposits In Banks

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- Definition

Proceeds From Interest Bearing Deposits In Banks

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- Definition

Fixed interest rate related to the interest rate derivative.

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- Definition

For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.2)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6476743&loc=d3e59706-112781



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 9

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