Costs Associated With Exit Or Disposal Activities (Liabilities And Expenses Related To Exit Activities) (Details) (USD $) In Thousands	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010
Costs Associated With Exit Or Disposal Activities
Balance at beginning of period	$ 1,301	$ 3,038
Charged to earnings	1,952	2,232
Cash paid	(1,696)	(3,032)
Balance at the end of period	$ 1,557	$ 2,238