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Compensation Plans.

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Employee Service Share Based Compensation Tax Benefit To Be Recognized In Equity Upon Exercise of Stock Options.

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Expected tax benefit related to exercise of stock options.

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Share based compensation arrangement by employee stock purchase plan eligible working hours of part time employees.

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

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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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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The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

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Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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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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The amount of plan compensation cost recognized during the period.

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Reductions in the entity's income taxes that arise when compensation cost (from non-qualified share-based compensation) recognized on the entity's tax return exceeds compensation cost from equity-based compensation recognized in financial statements. This element represents the cash inflow reported in the enterprise's financing activities.

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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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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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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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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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Compensation Plans (Details Textuals) (USD $)	3 Months Ended						8 Months Ended	9 Months Ended	11 Months Ended
Compensation Plans (Details Textuals) (USD $)	Feb. 29, 2012	Aug. 31, 2011	Feb. 28, 2011	Aug. 31, 2010	May 31, 2010	Mar. 31, 2010	Aug. 31, 2010	Aug. 31, 2011	Nov. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost related to share-based compensation plans			$ 49,800,000			$ 33,400,000	$ 92,800,000	$ 160,700,000
Aggregate fair value of restricted stock and restricted stock units upon the awards vesting							8,500,000	27,000,000
Compensation Plans (Textuals) [Abstract]
Net tax benefit (deficiency) related to share-based compensation plans recognized	26,200,000		800,000		15,400,000	100,000	2,800,000	31,600,000	20,900,000
Cash flows resulting from tax deductions in excess of the grant-date fair value of share-based awards							2,148,000	33,311,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized		185,100,000						185,100,000
Employee service share-based compensation, unrecognized compensation costs on Nonvested awards, weighted average period of recognition								3.3
Limit on number of shares of common stock that may be subject to awards								0.30
Accrued compensation expense, related to restricted stock and restricted stock units expected to be granted		37,500,000		21,000,000			64,000,000	112,500,000
Number of years in which Restricted Stock Awards amortized as compensation expense								4 years
Dividend yield								0.90%
Expected Volatility Rate								32.60%
Risk Free Interest Rate								3.00%
Expected Life								4.8
Total intrinsic value of stock options exercised							449,000	161,000
Cash received from the exercise of stock options							108,000	95,000
Tax Benefit Realized from Exercise of Stock Options						99,000		181,000
Tax benefit to be recognized from exercise of vested Options		26,000,000						26,000,000
Expected tax benefit related to exercise of stock options		60,000						60,000
Value of shares available for grant to each non employee director								100,000
Grants vesting period								3 years
Compensation cost related to plan		200,000		300,000			1,200,000	1,500,000
Annual employee contributions								21,250
Employee service share based compensation plan stock price								95.00%
Working hours of part time employees eligible for the ESPP								Over 20 hours per week
Deferred Compensation Arrangement With Individual Terms For Eligibility								200,000
Compensation cost related to deferred compensation plan		45,000		22,000			88,000	244,000
Shares issuable under deferred compensation plan		2,368,000						2,368,000
Contribution related to employee stock ownership plan		0		0			0	0
Compensation cost related to employee stock ownership plan		0		0			0	0
Compensation cost related to profit sharing plan		1,000,000		900,000			4,300,000	5,400,000
Unamortized portion of compensation expense		236,900,000						236,900,000	104,100,000
Dividend equivalents declared on restricted stock units								280,000
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost related to share-based compensation plans			49,600,000			33,100,000	91,500,000	159,000,000
No Future Service Required [Member] \| Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted with no future service requirement								303,000
Weighted average grant date fair value								$ 21.78
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value			$ 21.60
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							$ 3,400,000	$ 11,000,000
Restricted stock granted with no future service requirement								444,000
Weighted average grant date fair value								$ 23.53