v2.4.0.6

Summary of Significant Accounting Policies (Other) (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Jan. 31, 2010 Affiliated Entity [Member]
Consolidated Entities [Line Items]
Equity Method Investment, Ownership Percentage			50.00%
Earnings per share:
Basic weighted average shares outstanding	87,974	87,530
Potential dilutive effect	0	457
Diluted weighted average shares outstanding	87,974	87,987

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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