Other Financial Information (Schedule Of Percentage Distribution Of Inventories) (Details)	9 Months Ended	12 Months Ended
	Oct. 01, 2011	Jan. 01, 2011
Other Financial Information [Abstract]
Percentage of inventories determined using the last-in, first-out (LIFO) inventory valuation method	56.00%
Raw Material and Work in Process	36.00%	36.00%
Finished Goods and Purchased Parts	64.00%	64.00%