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EPS CAGR Threshold For Vesting Terms.

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Minimum EPS CAGR Required For Full Vesting.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vesing Percentage on Third Anniversary of Grant.

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Vesting Amount if EPS CAGR is Achieved.

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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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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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- Definition

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

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- Definition

The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan.

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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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- 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).

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

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-Name Statement of Financial Accounting Standard (FAS)

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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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 weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan 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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Share-Based Payments - Restricted Stock (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended	1 Months Ended			1 Months Ended								60 Months Ended	1 Months Ended	48 Months Ended	1 Months Ended			3 Months Ended	1 Months Ended					0 Months Ended	1 Months Ended			12 Months Ended
	Sep. 30, 2011	Nov. 16, 2011 Restricted Stock Grants [Member] Ratably Over Four Years [Member] Employee [Member] Restricted Stock [Member]	Nov. 16, 2011 Restricted Stock Grants [Member] Third Anniversary of Grant [Member] Management [Member] Restricted Stock [Member]	Nov. 07, 2011 Restricted Stock Grants [Member] Third Anniversary of Grant [Member] Management [Member] Restricted Stock [Member]	Nov. 16, 2011 Restricted Stock Grants [Member] Dependadnt Upon EPS CAGR [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2010 Minimum [Member] Dependadnt Upon EPS CAGR [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2009 Minimum [Member] Dependadnt Upon EPS CAGR [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2010 Ratably Over Four Years [Member] Employee [Member] Restricted Stock [Member]	Oct. 31, 2009 Ratably Over Four Years [Member] Employee [Member] Restricted Stock [Member]	Oct. 31, 2008 Ratably Over Four Years [Member] Employee [Member] Restricted Stock [Member]	Oct. 31, 2007 Ratably Over Four Years [Member] Employee [Member] Restricted Stock [Member]	Oct. 31, 2006 Ratably Over Four Years [Member] Employee [Member] Restricted Stock [Member]	Sep. 30, 2011 Ratably Over Four Years [Member] Employee [Member] Restricted Stock [Member]	Oct. 31, 2007 Ratably Over Two Years [Member] Employee [Member] Restricted Stock [Member]	Sep. 30, 2011 Ratably Over Two Years [Member] Employee [Member] Restricted Stock [Member]	Nov. 30, 2010 Third Anniversary of Grant [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2010 Third Anniversary of Grant [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2009 Third Anniversary of Grant [Member] Management [Member] Restricted Stock [Member]	Sep. 30, 2011 Third Anniversary of Grant [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2009 Dependadnt Upon EPS CAGR [Member] Management [Member]	Nov. 30, 2010 Dependadnt Upon EPS CAGR [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2010 Dependadnt Upon EPS CAGR [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2009 Dependadnt Upon EPS CAGR [Member] Management [Member] Restricted Stock [Member]	Oct. 31, 2008 Dependadnt Upon EPS CAGR [Member] Management [Member] Restricted Stock [Member]	Nov. 16, 2009 Management [Member] Restricted Stock [Member]	Feb. 28, 2009 Management [Member] Restricted Stock [Member]	Oct. 31, 2007 Management [Member] Restricted Stock [Member]	Oct. 31, 2006 Management [Member] Restricted Stock [Member]	Sep. 30, 2011 Restricted Stock [Member]	Sep. 30, 2010 Restricted Stock [Member]	Sep. 30, 2009 Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Percentage on Third Anniversary of Grant																			25.00%
Minimum EPS CAGR Required For Full Vesting																						12.00%	12.00%
EPS CAGR Threshold For Vesting Percentages Less Than Full Amount						5.00%	5.00%
Vesting Amount if EPS CAGR is Achieved																				100.00%		100.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Nonvested RSE at October 1, 2010 (shares)	1,780,000
Nonvested RSE at October 1, 2010 (weighted-average grant date fair value)	$ 75.04
Granted (shares)	780,000	310,000	130,700		305,000			313,300	266,300	265,200	234,800	112,350		11,000		47,900	86,700	145,900			111,700	202,300	339,700	374,600		296,000	268,700	303,000
Granted (weighted-average grant date fair value)	$ 74.87																												$ 74,900,000.00	$ 65,600,000.00	$ 63,200,000.00
Vested (shares)	(320,000)												(109,000)		(210,000)		(67,000)	(69,000)	(91,900)						(142,466)
Vested (weighted-average grant date fair value)	$ 83.08
Cancelled (shares)	(260,000)
Cancelled (weighted-average grant date fair value)	$ 104.76
Nonvested RSE at September 30, 2011 (shares)	1,980,000
Nonvested RSE at September 30, 2011 (weighted-average grant date fair value)	$ 69.86
Unrecognized compensation costs	$ 2.3																												$ 54.7
Unrecognized Compensation Cost - Period for Recognition	4.3																												1.3
RSE Vested - Total Fair Value																													$ 25.3	$ 25.8	$ 18.0
Closing Stock Price				$ 70.18