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Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
Income Taxes (Details) (USD $)	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Income Tax Expense (Benefit) [Abstract]
Deferred Tax Assets, Tax Credit Carryforwards	$ 4,300,000		$ 4,300,000
Effective Income Tax Rate, Continuing Operations	40.70%	40.60%	41.00%	40.30%
Income Tax Benefit	$ 15,342,000	$ 15,448,000	$ 9,279,000	$ 11,067,000

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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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

The cumulative amount of future tax effects arising from the unused tax credit carryforward that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward is the amount by which tax credits available for utilization exceed statutory limitations.

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