Consolidated Statements of Equity (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Common Stock [Member]
Shares withheld on restricted stock grants for withholding taxes	27,417
Purchase of common stock, shares		859,029	643,777
Additional Paid-in Capital [Member]
Stock options exercised, tax impact (in Dollars)	(2,283)	(2,009)	(1,808)
Treasury Stock [Member]
Shares withheld on restricted stock grants for withholding taxes		20,537	11,207
Retained Earnings [Member]
Cash dividends paid, per share (in Dollars per share)	0.76	0.63	0.15