Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Supplemental Cash Flow Information [Abstract]
Decrease in other noncurrent assets	$ 0	$ 0.3	$ (0.1)
Decrease (increase) in other noncurrent liabilities	(25.5)	51.5	(36.2)
Decrease (increase) in other current liabilities	0.1	0	0.3
Increase (Decrease) in Deferred Income Taxes	9.8	(20.1)	(0.6)
Decrease (increase) in accumulated other comprehensive loss	15.6	(31.7)	36.6
Increase (Decrease) in Other Operating Assets and Liabilities, Net	0	0	0
Cash paid (received), net:
Interest	48.7	49.1	53.3
Income taxes	$ 2.6	$ 0.7	$ (6.9)

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

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The increase (decrease) during the reporting period in other noncurrent operating assets not separately disclosed in the statement of cash flows.

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No definition available.

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The increase (decrease) during the reporting period in other noncurrent operating liabilities not separately disclosed in the statement of cash flows.

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No definition available.

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The increase (decrease) during the reporting period in other assets used in operating activities less other operating liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets and liabilities, other noncurrent assets and liabilities, or a combination of other current and noncurrent assets and liabilities.

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The increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities.

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The amount of cash paid for interest during the period.

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-Publisher FASB

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Amount after tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.

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