Income Taxes (Narrative)(Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 25, 2016 |
Dec. 27, 2015 |
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| Income Tax Contingency [Line Items] | |||
| Deferred tax balance adjustment | $ (11,696) | $ 0 | $ 0 |
| Employee Service Share-based Compensation, Tax Benefit from Compensation Expense | 9,200 | ||
| Excess tax benefit from stock-based compensation | 3,265 | $ 34 | |
| Deferred Tax Assets, Tax Credit Carryforwards, General Business | $ 13,653 | $ 12,653 | |
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- Definition Tax Cuts And Jobs Act Of 2017 Change In Tax Rate Income Tax Expense (Benefit) No definition available.
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- Definition Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible general business tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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