Income Taxes (Components of Provision (Benefit) for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 30, 2014	Dec. 31, 2013	Jan. 01, 2013
Current tax provision:
Federal	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 49us-gaap_CurrentFederalTaxExpenseBenefit
State	792	561	559
Total current tax provision	792us-gaap_CurrentIncomeTaxExpenseBenefit	561us-gaap_CurrentIncomeTaxExpenseBenefit	608us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred tax provision:
Federal	668	283	16
State	5,662	3,923	2,591
Total deferred tax provision (benefit)	6,330us-gaap_DeferredIncomeTaxExpenseBenefit	4,206us-gaap_DeferredIncomeTaxExpenseBenefit	2,607us-gaap_DeferredIncomeTaxExpenseBenefit
Total provision for income taxes	$ 7,122us-gaap_IncomeTaxExpenseBenefit	$ 4,767us-gaap_IncomeTaxExpenseBenefit	$ 3,215us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.