Income Taxes (Reconciliation Of Income Tax Rate To Income Before Taxes From Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 30, 2014	Dec. 31, 2013	Dec. 25, 2012
Income Tax Expense (Benefit) [Line Items]
Income tax expense	$ 7,723us-gaap_IncomeTaxExpenseBenefit	$ 5,556us-gaap_IncomeTaxExpenseBenefit	$ 5,592us-gaap_IncomeTaxExpenseBenefit
Continuing Operations [Member]
Income Tax Expense (Benefit) [Line Items]
Income tax expense at federal statutory rate	8,486	6,220	7,058
State tax expense, net	1,872	2,163	443
FICA tip and work opportunity credits	(3,007)	(2,620)	(2,200)
Nondeductible (nontaxable) insurance		(486)	(160)
Other items, net	372	279	451
Income tax expense	$ 7,723	$ 5,556	$ 5,592
Income tax expense at federal statutory rate, Percentage	35.00%	35.00%	35.00%
State tax expense, net, Percentage	8.00%	12.00%	2.00%
FICA tip and work opportunity credits, Percentage	(12.00%)	(15.00%)	(10.00%)
Nondeductible (nontaxable) insurance, Percentage	0.00%	(3.00%)	(1.00%)
Other items, net, Percentage	1.00%	2.00%	2.00%
Total income tax expense from continuing operations, Percentage	32.00%	31.00%	28.00%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to life insurance expense.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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