Stock Compensation Plans (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 1998
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted during period	29,000,000	76,000,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	1,622,500
Award vesting percentage	20.00%
Award vesting period	5 years
Number of shares available for grant (shares)	157,338
Stock options granted during period	29,000	76,000	0
Stock options, aggregate grant date fair value	$ 69	$ 150
Stock options vested during period	17,300	5,000	5,200
Stock options vested during period, aggregate grant date fair value	32	6	7
Number of unvested stock options	91,000	79,300
Unvested stock awards, aggregate grant date fair value	189	152
Unvested stock options, aggregate intrinsic value	330
Stock options exercised during period	0	0	0
Stock options, outstanding, aggregate intrinsic value	443	88
Stock Grants \| MRDP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized				529,000
Award vesting percentage	20.00%
Award vesting period	5 years
Number of shares available for grant (shares)	0
Unvested stock awards, aggregate grant date fair value	$ 23
Stock awards, granted during period	0	0	0
Number of unvested stock awards (shares)	3,254,000	9,461,000

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Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Percentage

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Aggregate Ingtrinsic Value

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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 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 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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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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Net number of share options (or share units) granted during the period.

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

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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

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