Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of Federal Statutory Tax Expense to Effective Income Tax Expense) (Details)

v2.4.1.9
Income Taxes (Reconciliation of Federal Statutory Tax Expense to Effective Income Tax Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Income Tax Disclosure [Abstract]        
Expected income tax expense   $ 5,382us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ 5,191us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ 2,618us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
State tax expense, net of federal benefit   548us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes 647us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes 456us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Non-deductible compensation   863us-gaap_IncomeTaxReconciliationNondeductibleExpense 711us-gaap_IncomeTaxReconciliationNondeductibleExpense 457us-gaap_IncomeTaxReconciliationNondeductibleExpense
FICA tip credit   (2,539)us-gaap_IncomeTaxReconciliationTaxCredits (2,092)us-gaap_IncomeTaxReconciliationTaxCredits (1,342)us-gaap_IncomeTaxReconciliationTaxCredits
Other 556us-gaap_IncomeTaxReconciliationOtherReconcilingItems 83us-gaap_IncomeTaxReconciliationOtherReconcilingItems (261)us-gaap_IncomeTaxReconciliationOtherReconcilingItems 54us-gaap_IncomeTaxReconciliationOtherReconcilingItems
Total income tax expense   $ 4,337us-gaap_IncomeTaxExpenseBenefit $ 4,196us-gaap_IncomeTaxExpenseBenefit $ 2,243us-gaap_IncomeTaxExpenseBenefit