Restructuring And Other Impairment Charges (Schedule Of Changes In Accrued Liability Associated With Restructuring Program) (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 01, 2012	Jul. 01, 2012 Termination Benefits [Member]	Jul. 01, 2012 Facility Closure Costs [Member]	Jul. 01, 2012 Contract Termination Costs [Member]	Jul. 01, 2012 Other Restructuring Costs [Member]	Dec. 31, 2011 Other Restructuring Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2011	$ 2,474	$ 320		$ 2,133	$ 21	$ 21
Subsequent Accruals	(1,875)		148	(2,023)
Payments	(153)	(5)	(148)
Translation	(19)	(13)		(6)
Balance at July 1, 2012	$ 427	$ 302		$ 104	$ 21	$ 21