Income Taxes (Components Of The Net Deferred income Tax Asset (Liability)) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 02, 2015	Dec. 27, 2013
Deferred income tax assets:
Allowance for doubtful accounts	$ 518	$ 661
Net operating loss and tax credits carryforward	9,283	12,855
Accrued expenses and other liabilities	3,160	3,967
Deferred Tax Assets, Total	12,961us-gaap_DeferredTaxAssetsGross	17,483us-gaap_DeferredTaxAssetsGross
Valuation allowance	(1,452)	(1,569)
Deferred tax assets, net	11,509us-gaap_DeferredTaxAssetsNet	15,914us-gaap_DeferredTaxAssetsNet
Deferred income tax liabilities:
Depreciation	(4,628)	(4,614)
Tax over book amortization on goodwill and intangibles	(9,872)	(10,546)
Other items	(106)us-gaap_DeferredTaxLiabilitiesOther	(11)us-gaap_DeferredTaxLiabilitiesOther
Deferred tax liabilities, net	(14,606)us-gaap_DeferredTaxLiabilities	(15,171)us-gaap_DeferredTaxLiabilities
Net deferred income tax asset (liability)	$ (3,097)us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 743us-gaap_DeferredTaxAssetsLiabilitiesNet

Deferred tax assets operating loss and tax credits carryforwards.

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