Basis of Presentation (Details)	3 Months Ended		9 Months Ended
	Sep. 29, 2012 D	Oct. 01, 2011 D	Sep. 29, 2012 D	Oct. 01, 2011 D
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Percentage of Total Sales	3.00%	4.00%	3.00%	4.00%
Ship Days	63	63	191	191