Derivative Instruments and Hedging Activities (Fair Value of Derivative Instruments Outstanding) (Details) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Fair Value Hedge Liabilities	$ 0
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	10.1	21.0
Fair Value Hedge Assets	162.3
Derivative Asset Designated as Hedging Instrument, Fair Value	172.4	135.9
Derivative Liability Designated as Hedging Instrument, Fair Value	28.4	14.2
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	28.4	14.2
Interest-Rate Swap Agreements [Member] \| Other Assets [Member]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	8.9	9.9
Fair Value Hedge Assets	160.2	114.9
Interest-Rate Swap Agreements [Member] \| Other Liabilities [Member]
Fair Value Hedge Liabilities	0	0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	9.0	9.9
Foreign Exchange Forward Contracts [Member] \| Accounts Payable [Member]
Fair Value Hedge Liabilities	0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	19.4	4.3
Foreign Exchange Forward Contracts [Member] \| Prepaid Expenses and Other [Member]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	1.2	11.1
Fair Value Hedge Assets	$ 2.1

Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-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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Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

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

-Publisher FASB

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

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Fair value of all derivative assets designated as fair value hedging instruments.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-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.

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Fair value of all derivative liabilities designated as fair value hedging instruments.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-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.

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