Other Long-Term Liabilities (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2011 ManufacturingSites	Sep. 30, 2010
Other Long Term Liabilities (Textual) [Abstract]
Unaccrued maximum of the estimated range of possible outcomes is higher than the minimum	$ 101.6
Accruals for extended environmental-related activities	82.2	89.9
Estimated costs of current investigation and remediation activities included in other accruals	60.1	64.6
Number of manufacturing sites account for major accrual for environmental-related activities	4
Accruals for environmental-related activities of four sites	101.1
Accruals for environmental-related activities, percentage of four sites of total accrual	71.00%
Unaccrued maximum estimated range of four sites	70.0
Unaccrued maximum estimated range of four sites, percentage	68.90%
Aggregate unaccrued maximum estimated range of four sites	$ 101.6

Percent of total accrual for environmental-related activities attributable to four currently and formerly owned manufacturing sites.

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Accruals for environmental related activities of four sites.

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Estimated costs of current investigation and remediation activities included in other accruals.

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Number of manufacturing sites account for major accrual for environmental-related activities.

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Other long-term liabilities.

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Unaccrued maximum estimated range of four sites in percentage.

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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Recorded amount of the accrual for a material component of an environmental loss contingency.

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The estimated maximum amount of possible loss from the contingency.

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The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

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