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Segment Information (Major Customers) (Narrative) (Details)	9 Months Ended
	Sep. 30, 2012
Segment Reporting Information
Number of customers included in five largest customer concentration disclosure	5
Sales Revenue, Net | Minimum
Segment Reporting Information
Concentration risk benchmark percentage	10.00%
Accounts Receivable | Minimum
Segment Reporting Information
Concentration risk benchmark percentage	10.00%

X

- Definition

Percentage threshold over which a concentration risk is deemed to exist necessitating disclosure.

+ References

No definition available.

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- Definition

Additional information about the entity or its reportable segments that may contribute to an understanding of the enterprise.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 8

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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