Segment Information (Narrative) (Details)	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Highest Percentage Of Total Revenue For a Ten Percent Or Greater Customer [Member]
Segment Reporting Information [Line Items]
Percentage of revenue accounted for by two customers over 10% of total revenue		35.00%	30.00%
Percentage of revenue accounted for by one customers over 10% of total revenue	22.00%
Other Percentage Of Total Revenue For a Ten Percent Or Greater Customer [Member]
Segment Reporting Information [Line Items]
Percentage of revenue accounted for by two customers over 10% of total revenue		20.00%	21.00%