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Acquisitions (Schedule Of Amortized Periods For Acquired Intangible Assets) (Details)	6 Months Ended
	Jun. 30, 2012 Y
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	12
Proprietary Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	10
Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	2

X

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X

- Definition

The useful life of all finite-lived intangible assets.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 12, 13, 14

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 35

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6904245&loc=d3e15372-109273

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