Note 16 - Stock Plans (Details) (USD $)	12 Months Ended
Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Note 16 - Stock Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	2.14%	1.65%	2.99%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	0.96%	0.97%	0.94%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	7 years 109 days	7 years 135 days	7 years 3 months
Share-based Compensation Arrangement by Share-based Payment Award Fair Value Assumptions Estimated Forfeiture Rate	18.17%	15.99%	14.93%
Allocated Share-based Compensation Expense (in Dollars)	$ 6,800,000	$ 6,500,000	$ 6,200,000
Allocated Share-based Compensation Expense, Net of Tax (in Dollars)	6,800,000	6,500,000	6,200,000
Share Based Compensation Arrangement By Share Based Payment Award Number Of Installments	3
Number Of Directors	5
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value (in Dollars)	167,000	8,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares)	3,161,952	2,467,170	1,764,338
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (in Dollars)	3,600,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit (in Dollars per share)	$ 1.93
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit (in Dollars per share)	$ 60.36
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 5.14	$ 1.74	$ 1.57
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 2.72	$ 3.61	$ 3.92
Share Based Compensation Arrangement By Share Based Payment Award Percent Vested	25.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in Shares)	62,016
Share-based Compensation (in Dollars)	6,842,000	6,453,000	6,219,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)	1,377,120
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)	300,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)	16,500,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years
Before June 8, 2007 [Member] \| Employee Stock Option [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Number Of Installments	4
On Or After June 8, 2007 [Member] \| Employee Stock Option [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Number Of Installments	4
Prior Period [Member] \| Restricted Stock [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares)	46,393	32,112
Change in Performance Estimate [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)	400,000
Employee Stock Option [Member]
Note 16 - Stock Plans (Details) [Line Items]
Allocated Share-based Compensation Expense (in Dollars)	4,000,000	4,100,000	4,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Restricted Stock [Member] \| Non-employee Director [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares)	63,694	104,167
Restricted Stock [Member] \| Age Requirement Without Service [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Participants Age	60
Restricted Stock [Member] \| Age Requirement With Service [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Participants Age	58
Restricted Stock [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Participants Years Of Service	15 years
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares)	104,944	133,855
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in Shares)		9,845
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested Number (in Shares)	534,143	534,143	692,668
Deferred Right Award [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Participants Age	58
Share Based Compensation Arrangement By Share Based Payment Award Participants Years Of Service	20 years
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares)	68,390	258,228
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in Shares)	0	8,701
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Restricted Stock Grants and Stock Portion of Long Term Incentive Plan [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share-based Compensation (in Dollars)	$ 2,700,000	$ 2,400,000	$ 1,700,000
Options Outstanding and Exercisable [Member]
Note 16 - Stock Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares)	1,900,000

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Number of outside directors of the Company that were granted either stock options or restricted stock during the period.

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The estimated forfeiture rate that is used in valuing an option.

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Age that a participant must reach, in some cases along with a minimum service requirement, to vest in restricted stock awards after one year.

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Annual vesting percentage of stock options.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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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.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Number of share instruments newly issued under a share-based compensation plan.

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