Variable Interest Entity (Effect Of Variable Interest Entity) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 02, 2010
Variable Interest Entity [Line Items]
Assets	$ 39,606
Sales	12,370
Income before income taxes	$ 3,415
Assets, Total [Member]
Variable Interest Entity [Line Items]
Variable interest entity, % of Total	2.90%
Sales Percentage [Member]
Variable Interest Entity [Line Items]
Variable interest entity, % of Total	0.50%
Percentage Of Income Before Taxes [Member]
Variable Interest Entity [Line Items]
Variable interest entity, % of Total	1.60%