Matching Contribution to Employee, Employees 401(k) Contributions, Minimum

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- Definition

Employer 401 K Matching Contribution To Employee On Remaining Compensation

+ References

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- Definition

Initial Employer 401KMatching contribution to employee for compensation contributions.

+ References

No definition available.

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- Definition

Maximum 401(k) Plan Contribution Rates as a Percentage of Employees Earnings

+ References

No definition available.

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- Definition

Maximum Employee Earnings Contribution For 401 K

+ References

No definition available.

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- Definition

Number of Defined Benefit Pension Plans, that were Frozen in the UK

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Number of Defined Benefit Pension Plans

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No definition available.

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- Definition

Description and explanation of the assumptions (including assumed discount rates, rates of compensation increase, and expected long-term rates of return on plan assets) used to calculate the benefit obligation and the assumptions used to calculate net periodic benefit cost. May also include other assumptions such as market-related value, average remaining service period, and average remaining life expectancy.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph j

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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-Name Accounting Standards Codification

-Topic 715

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- Definition

The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

+ References

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-Publisher FASB

-Number 88

-Name Statement of Financial Accounting Standard (FAS)

-Paragraph 6

-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.

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-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.

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-Glossary Plan Curtailment

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- Definition

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

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Reference 1: 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.

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RETIREMENT PLANS - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010	Jul. 01, 2010 LegalMatter
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan description	the Company provided a base contribution equal to 2% of compensation up to 50% of the Social Security taxable wage base plus 4% of remaining compensation. Associates could also make pretax contributions from compensation that were matched by the Company at 100% of associates’ initial 3% contribution and 50% of their remaining contribution up to 5%. Beginning January 1, 2011, the Company stopped providing base contributions and began matching 150% of associates’ initial 4% contribution and 50% of their remaining contribution up to 6%.
Compensation charges	$ 12.9	$ 13.2	$ 14.5
Number of defined benefit pension plans that were froze in the U.K.				2
Scenario 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer match for the initial 4% contribution	150.00%
Company base contribution		2.00%
Maximum social security wages contribution		50.00%
Employer contribution on remaining compensation	50.00%	4.00%
Maximum Employer contributions	6.00%
Scenario 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer match for the initial 4% contribution	100.00%	100.00%
Employer contribution on remaining compensation	50.00%	50.00%
Maximum Employer contributions	5.00%	5.00%
U.S. Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of defined benefit plans for certain U.S. associates	2
Curtailment loss	$ 0.2	$ 1.2