Income Taxes Effective Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory federal income tax provision (benefit)	$ 1	$ (9,223)	$ (8,371)
State income taxes (benefit), net of federal provision (benefit)	6	(749)	(656)
Change in valuation allowance	2,959	24,326	624
Employment tax credits	(2,710)	(2,291)	(2,298)
Miscellaneous	(256)	(298)	304
Provision (benefit) for income taxes	$ 0	$ 11,765	$ (10,397)

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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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 other adjustments.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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