Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Apr. 02, 2016	Jan. 02, 2016	Apr. 04, 2015
Property and equipment, accumulated depreciation	$ 185,915	$ 183,686	$ 187,958
Preferred Stock, Par Value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized (in shares)	15,000,000	15,000,000	15,000,000
Preferred Stock, Shares Issued (in shares)	0	0	0
Preferred Stock, Shares Outstanding (in shares)	0	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	50,000,000	50,000,000	50,000,000
Common stock, shares issued (in shares)	15,815,211	15,795,891	17,310,853
Common stock, shares outstanding (in shares)	15,815,211	15,795,891	17,310,853

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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