Benefit Plans 4 (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Stock Awards Outstanding	3,103,487
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 1.28
Stock Issued During Period, Shares, Restricted Stock Award, Gross	1,948,021
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited	128,732
Restricted Stock Awards Outstanding, Intrinsic Value	$ 2.6
Restricted Stock Awards, Weighted Average Remaining Life	1 year 8 months
Stock Issued During Period, Shares, Other	550,355	353,543	233,822
Stock Issued During Period, Value, Other	0.6	0.7	0.7
Nonvested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	0 years 3 months
Restricted Stock or Unit Expense	0.1
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	2 years 8 months
Restricted Stock or Unit Expense	$ 4.1

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Restricted Stock Awards Outstanding, Intrinsic Value

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Restricted Stock Awards, Weighted Average Remaining Life

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

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-Topic 230

-SubTopic 10

-Section 45

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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- Definition

Number of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

+ References

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Number of shares related to Restricted Stock Award forfeited during the period.

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

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-Paragraph 4, 5

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Value of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

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