Compensation Plans - Additional Information (Detail) (USD $)	3 Months Ended
Feb. 28, 2013	Feb. 29, 2012	Nov. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost related to share-based compensation plans	$ 22,600,000	$ 24,500,000
Net tax (deficiency) benefit related to share-based compensation plans recognized	(18,000,000)	19,700,000
Cash flows resulting from tax deductions in excess of the grant-date fair value of share-based awards	5,682,000	29,316,000
Net tax (deficiency) benefit recognized related to share-based compensation awards	(19,600,000)	21,300,000
Net tax benefit related to share-based compensation awards-expected to be recognized in subsequent year	11,900,000
Total unrecognized compensation cost related to nonvested share-based awards	205,600,000
Employee service share-based compensation, unrecognized compensation costs on nonvested awards, weighted average period of recognition	3 years
Number of years in which Restricted Stock Awards amortized as compensation expense	4 years
Aggregate fair value of restricted stock and restricted stock units upon the awards vesting	72,600,000	11,500,000
Value of shares available for grant to each non employee director	100,000
Grants vesting period	3 years
Compensation cost related to plan	174,000	174,000
Annual employee contributions	21,250
Employee service share based compensation plan stock price	95.00%
Compensation cost related to deferred compensation plan	72,000	40,000
Shares issuable under deferred compensation plan	1,301,000
Contribution related to employee stock ownership plan	0	0
Compensation costs related to employee stock ownership plan	0	0
Compensation cost related to profit sharing plan	2,600,000	3,000,000
Weighted average vesting period	2 years
Compensation cost associated with deferred cash awards	44,700,000	36,600,000
Unamortized portion of compensation expense	271,800,000		198,900,000
No Future Service Required [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of restricted stock and restricted stock units upon the awards vesting		7,700,000
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost related to share-based compensation plans	$ 22,300,000	$ 24,300,000

Compensation cost related to profit sharing plan.

No definition available.

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- Definition

Represents the expense recognized during the period arising from share-based compensation arrangements of the incentive compensation plan.

+ References

No definition available.

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- Definition

Deferred cash awards unamortized portion of compensation expense.

+ References

No definition available.

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- Definition

Number of years in which sign on and replacement restricted stock awards are generally amortized as compensation expense.

+ References

No definition available.

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- Definition

Vesting period of directors stock awards.

+ References

No definition available.

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Compensation cost of share based director plan.

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No definition available.

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- Definition

Value of annual grant to each non-employee director of restricted stock or deferred shares.

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No definition available.

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- Definition

Percentage of closing stock price used to purchase shares under the employee stock purchase plan.

+ References

No definition available.

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- Definition

Share based compensation arrangement by maximum employee contributions to employee stock purchase plan.

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- Definition

The amount of tax deficiency associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP) that is deducted from additional paid in capital. A tax deficiency results from the deductible amount for an award of an equity instrument on the entity's tax return being less than the cumulative compensation cost recognized for financial reporting purposes. This element should not be used to report tax deficiencies that are charged to income tax expense.

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Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

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- Definition

Adjustment to additional paid in capital related to the net effect of excess tax benefits and tax deficiencies associated with an equity-based compensation plan other than an employee stock ownership plan (ESOP).

+ References

No definition available.

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- Definition

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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-Publisher SEC

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-Number Topic 14

-Section F

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

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- Definition

The maximum number of shares authorized for issuance under the deferred compensation arrangement as of the balance sheet date.

+ References

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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.

+ References

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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.

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Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

+ References

No definition available.

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- Definition

This item represents the amount of cash contributions during the period made by the entity to the Employee Stock Ownership Plan (ESOP).

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- Definition

The amount of plan compensation cost recognized during the period.

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- Definition

Amount of excess tax benefit (tax deficiency) that arises when compensation cost from non-qualified share-based compensation recognized on the entity's tax return exceeds (is less than) compensation cost from equity-based compensation recognized in financial statements. Excess tax benefit (tax deficiency) increases (decreases) net cash provided by financing activities.

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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 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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