v2.4.0.6

Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2011	Mar. 31, 2010
Income Taxes [Abstract]
Amount of income tax expense, inclusive of interest and penalties, related to a prior year tax examination	$ 4.7
Recognition of a liability for unrecognized tax benefit from prior year	$ 3.2
Consolidated effective income tax rate including tax expense attributable to prior period	20.60%
Consolidated effective income tax rate excluding tax expense attributable to prior periods	14.90%	17.80%

X

- Definition

Consolidated effective income tax rate excluding tax expense attributable to prior periods

+ References

No definition available.

+ Details

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X

- Definition

Recognition of a Liability for Unrecognized Tax Benefit From Prior Year

+ References

No definition available.

+ Details

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- Details

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X

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 47



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Subparagraph 2

-Article 4

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X

- Definition

The portion of the difference between total income tax expense (benefit) as reported in the Income Statement for the current period and the expected income tax expense (benefit) computed attributable to revisions of previously reported income tax expense.

+ References

No definition available.

+ Details

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