Goodwill And Other Acquisition Intangibles (Other Acquisition Intangibles) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 594.1	$ 582.2
Accumulated Amortization	(293.2)	(278.8)
Net Carrying Value	300.9	303.4
Technology-Based [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	16.2
Gross Carrying Value	55.8	54.7
Accumulated Amortization	(40.7)	(39.0)
Net Carrying Value	15.1	15.7
Marketing-Related Weighted Average Useful Life Less Than 2 Years [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	2.0
Gross Carrying Value	1.9	1.9
Accumulated Amortization	(1.9)	(1.9)
Net Carrying Value	0	0
Marketing Related Weighted Average Useful Life For 15.3 Years [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	15.3
Gross Carrying Value	65.1	63.0
Accumulated Amortization	(34.9)	(33.2)
Net Carrying Value	30.2	29.8
Marketing-Related Weighted Average Useful Life For 40 Years [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	40
Gross Carrying Value	44.3	43.0
Accumulated Amortization	(6.4)	(5.9)
Net Carrying Value	37.9	37.1
Customer-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	15
Gross Carrying Value	427.0	419.6
Accumulated Amortization	(209.3)	(198.8)
Net Carrying Value	$ 217.7	$ 220.8

The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

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- Definition

The average useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275

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- Definition

Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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- Definition

The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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