Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Unrecognized tax benefits balance at January 1	$ 145.2us-gaap_UnrecognizedTaxBenefits	$ 138.4us-gaap_UnrecognizedTaxBenefits	$ 127.2us-gaap_UnrecognizedTaxBenefits
Gross change for current year positions	10.5	8.5	10.2
Increases for prior period positions	2.9	1.4	7.8
Decrease for prior period positions	(14.1)	(2.1)	(6.1)
Decrease due to settlements and payments	(1.2)
Decrease due to statute expirations	(0.7)	(1.0)	(0.7)
Unrecognized tax benefits balance at December 31	$ 142.6us-gaap_UnrecognizedTaxBenefits	$ 145.2us-gaap_UnrecognizedTaxBenefits	$ 138.4us-gaap_UnrecognizedTaxBenefits

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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-Publisher FASB

-Name Accounting Standards Codification

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