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The maximum percentage of an employees salary that may be withheld and contributed into the plan.

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Number Of Share Based Compensation Plans

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The percentage of fair market value at which an employee can purchase shares under the Employee Stock Purchase Plan.

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Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Percentage

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The amount of the reversal of previously recorded compensation expense, related to certain performance shares issued, due to the change in the assessment of the probability of achieving the financial performance targets established.

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The amount net of tax of the reversal of previously recorded compensation expense, related to certain performance shares issued, due to the change in the assessment of the probability of achieving the financial performance targets established.

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The weighted average stock price at grant date for all issued awards during the period under the Employee Stock Purchase Plan.

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No definition available.

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The period in which the options under the plan shall expire.

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The annual limit in which employees may contribute towards the Employee Stock Purchase Plan.

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The vesting terms of the the share options (or share units) granted during the fiscal year.

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No definition available.

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The vesting terms of the the share options (or share units) granted during the period.

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Share Based Compensation Arrangement By Share Based Payment Award Performance Share Units Outstanding Intrinsic Value

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Share Based Compensation Arrangement By Share Based Payment Award Performance Share Units Vested Aggregate Intrinsic Value

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Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units Outstanding Intrinsic Value

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Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units Vested Aggregate Intrinsic Value

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The vesting terms of the the share options (or share units) granted during the period.

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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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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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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-Paragraph A240

-Subparagraph c(1)

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The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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

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Number of share options (or share units) exercised during the current period.

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Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.

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Share-Based Compensation Plans - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Mar. 09, 2004	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Authorized for issuance		10,279,265
Shares available for award		2,420,058
Total shares exercised for share-based compensation plans		967,123	570,425	850,855
Total intrinsic value of shares exercised		$ 9,800,000	$ 6,700,000	$ 8,400,000
Total fair value of shares vested		8,200,000	2,400,000	8,100,000
Reversal of share-based compensation expense				3,400,000
Reversal of share-based compensation expense, net of taxes				2,000,000
Restricted stock units
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period		3 years
Total unrecognized compensation cost, net of estimated forfeitures		14,700,000
Weighted-average vesting period		2 years 2 months 5 days
Percentage of the awards that vest on the second anniversary of the grant		50.00%
Percentage of the awards that vest on the fourth anniversary of the grant		50.00%
Aggregate intrinsic value of outstanding		23,400,000
Aggregate intrinsic value of vested		4,600,000
Employee Stock Purchase Plan
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Authorized for issuance	3,000,000
Shares available for award		737,271
Percentage of purchase price of fair market value of the Company's common stock on the last trading day of the month	95.00%
Percentage of compensation to purchase	10.00%
Annual limit on purchase of stock	25,000
Weighted average fair values of the purchase rights granted		$ 1.05	$ 1.16	$ 1.03
Shares of stock issued under the plan		200,108	165,455	190,340
Weighted average price		$ 19.93	$ 22.02	$ 19.65
Aggregate purchases		4,000,000	3,600,000	3,700,000
Employee Stock Purchase Plan \| Minimum
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period	6 months
Performance Based Shares
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Total unrecognized compensation cost, net of estimated forfeitures		7,200,000
Weighted-average vesting period		1 year 4 months 28 days
Aggregate intrinsic value of outstanding		13,300,000
Aggregate intrinsic value of vested		2,300,000
Performance Based Shares \| Minimum
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Percentage of performance share award vesting based on actual performance		0.00%
Performance Based Shares \| Maximum
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Percentage of performance share award vesting based on actual performance		150.00%
Employee Stock Options
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Percentage of the awards that vest per year		25.00%
Options expire after the date of grant		7 years
Total unrecognized compensation cost, net of estimated forfeitures		4,300,000
Weighted-average vesting period		2 years 3 months 15 days
Employee Stock Options \| Minimum
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period		1 year
Employee Stock Options \| Maximum
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period		5 years
Time-Vested Plan
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Percentage of the awards that vest per year		20.00%
Vesting period		1 year
Options expire after the date of grant		121 months
1996 and 2002 Price-Vested Plans
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Options expire after the date of grant		10 years
Number of plans		2
1996 and 2002 Price-Vested Plans \| Minimum
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period		4 years
1996 and 2002 Price-Vested Plans \| Maximum
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period		8 years
Executive Stock Option Plan (Age-Vested Plan)
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period		1 year
Total unrecognized compensation cost, net of estimated forfeitures		$ 400,000
Weighted-average vesting period		7 years 3 months 4 days
Executive Stock Option Plan (Age-Vested Plan) \| Option Holders Reaching Their 61st Birthday
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Percentage of the awards that vest per year		50.00%
Executive Stock Option Plan (Age-Vested Plan) \| Option Holders Reaching Their 64th Birthday
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Percentage of the awards that vest per year		50.00%