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Income Taxes (Details)	3 Months Ended
Income Taxes (Details)	Mar. 31, 2012	Apr. 02, 2011
Income Taxes [Abstract]
Open tax years by major tax jurisdiction	The tax years 2008 through 2010 remain open to examination by multiple state taxing jurisdictions
Effective tax rate	28.00%	32.10%

- 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.

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