Financial Derivatives (Details) - Balance Sheet Location and Fair Value (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Non-designated Hedges
Foreign currency contracts: Other assets and deferred costs (current)	$ 0.5	$ 0.1
Foreign currency contracts: Other accrued liabilities	1.1	0.2
Designated Hedges
Interest rate swaps: Other assets and deferred costs (noncurrent)	66.5	118.1
Interest rate swaps: Long-term debt	71.1	119.5
Interest rate locks: AOCI	$ 8.0	$ 0

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Fair value as of the balance sheet date of AOCI, derivative assets designated as interest rate fair value hedging instruments.

+ References

No definition available.

+ Details

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- Details

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- Definition

Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

+ Details

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- Definition

Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments.

+ References

+ Details

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- Definition

Fair value as of the balance sheet date of all derivative assets designated as interest rate fair value hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

+ Details

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- Definition

Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

+ Details

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