Restructuring And Other Impairment Charges (Schedule Of Changes In Accrued Liability Associated With Restructuring Program) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 01, 2012
Restructuring Cost and Reserve [Line Items]
Balance, beginning	$ 2,474
Subsequent Accruals	(1,931)
Payments	(125)
Translation	176
Balance, ending	594
Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning	320
Payments	(3)
Translation	8
Balance, ending	325
Facility Closure Costs [Member]
Restructuring Cost and Reserve [Line Items]
Subsequent Accruals	92
Payments	(92)
Contract Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning	2,133
Subsequent Accruals	(2,023)
Payments	(30)
Translation	167
Balance, ending	247
Other Restructuring Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning	21
Translation	1
Balance, ending	$ 22