Goodwill and Other Intangible Assets - Goodwill Narrative (Details)	12 Months Ended
Dec. 31, 2010
Goodwill [Line Items]
1% Reduction in Long-term Revenue Growth Rate	1.00%
1% increase in WACC	1.00%
Minimum [Member]
Goodwill [Line Items]
Estimated Fair Value Exceeding Carrying Value, Percentage	30.00%
Weighted Average Cost of Capital (WACC)	12.00%
Residual Growth Rate	0.00%
Maximum [Member]
Goodwill [Line Items]
Weighted Average Cost of Capital (WACC)	15.00%
Residual Growth Rate	2.00%

Percentage by which estimated fair value exceeds carrying value.

No definition available.

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- Definition

Sensitivity Analysis of Fair Value, Goodwill, Impact of 1 Percent Adverse Change in Discount Rate

+ References

No definition available.

+ Details

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- Definition

Sensitivity Analysis of Fair Value, Goodwill, Impact of 1 Percent Adverse Change in Long-term Revenue Growth Rate

+ References

No definition available.

+ Details

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

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- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

+ Details

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- Details

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