Summary of Quarterly Results (Tables)

12 Months Ended

Dec. 29, 2012

Summary of Quarterly Results [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

Quarterly financial data for 2012 and 2011 are as follows:

(dollars in thousands,
except per share amounts)			Thirteen Weeks Ended
		March 31, 2012		June 30, 2012		Sep. 29, 2012		Dec. 29, 2012
Net sales	$	661,610	$	677,097	$	668,391	$	694,307
Gross profit on sales		183,125		187,599		181,276		190,553
Net income		20,026		23,204		17,178		22,103
Basic and diluted earnings per share		.74		.86		.64		.83

(dollars in thousands,								Fourteen
except per share amounts)				Thirteen Weeks Ended				Weeks Ended
		March 26, 2011		June 25, 2011		Sep. 24, 2011		Dec. 31, 2011
Net sales	$	659,455	$	676,660	$	678,612	$	737,777
Gross profit on sales		178,504		182,657		183,146		191,548
Net income		18,601		20,701		16,982		19,300
Basic and diluted earnings per share		.69		.77		.63		.72