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Income Taxes (Details)	3 Months Ended		6 Months Ended
Income Taxes (Details)	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011
Income Tax Disclosure [Abstract]
Effective Income Tax Rate, Continuing Operations	6.40%	66.10%	5.70%	(2.40%)

- 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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