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Income Taxes (Reconciliation of Income Taxes) (Details)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 25, 2013
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Dec. 26, 2012
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Dec. 28, 2011
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| Reconciliation of income taxes at the U.S. federal statutory tax rate to effective tax rate: | |||
| Statutory provision rate | 35.00% | 35.00% | 35.00% |
| State, foreign, and other taxes, net of federal income tax benefit | 6.00% | 5.00% | 6.00% |
| Wage addback (deductions) on income tax credits earned (expired), net | 3.00% | 2.00% | (4.00%) |
| General business credits generated | (10.00%) | (7.00%) | (14.00%) |
| Other | (1.00%) | 3.00% | (4.00%) |
| Effective tax rate before release of valuation allowance | 33.00% | 38.00% | 19.00% |
| Release of valuation allowance | (1.00%) | (2.00%) | (315.00%) |
| Effective tax rate | 32.00% | 36.00% | (296.00%) |