Deferred compensation deferral amount

No definition available.

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- Definition

Defined contribution plan discretionary profit contribution vesting period

+ References

No definition available.

+ Details

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- Definition

Non-qualified deferred compensation plan deferral percentage

+ References

No definition available.

+ Details

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Maximum amount per employee, by the terms of the plan, that the employer may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

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.

+ 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 (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 5

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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Note 16 - Employee Benefit Plans (Detail) (USD $)	1 Months Ended	3 Months Ended	12 Months Ended
Note 16 - Employee Benefit Plans (Detail) (USD $)	Feb. 28, 2012	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent			40.00%
Defined Contribution Plan, Employer Matching Contribution, Percent			100.00%
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Amount (in Dollars)			$ 750
Defined Contribution Plan Discretionary Profit Contribution Vesting Period			6 years
Defined Contribution Plan, Cost Recognized (in Dollars)			44,500,000	39,700,000	24,300,000
Non-Qualifed Deferred Compensation Plan Deferral Percentage			50.00%
Deferred Compensation Deferral Amount (in Dollars)			$ 2,000
Stock Issued During Period, Shares, Employee Stock Purchase Plans	200,000	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		28,400,000	28,400,000
Stock Issued During Period, Shares, Employee Benefit Plan			120,000
ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		1,000,000	1,000,000
Share Option Scheme [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		388,000	388,000
Savings Related Share Option Scheme [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		10,000	10,000
Vesting Period 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Vesting Period 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			5 years
Vesting Period 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			7 years