Restructuring And Thailand Flood Related Charges, Net Of Insurance (Schedule Of Components Of Restructuring Charges) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 2,400	$ 4,200	$ 4,300
Restructuring charges	4,515	6,724	8,264
2011 [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	2,386
Facility lease costs	1,958
Other exit costs	514
Restructuring charges	4,858
2011 [Member] | Americas [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	421
Other exit costs	22
Restructuring charges	443
2011 [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	1,829
Facility lease costs	1,335
Other exit costs	203
Restructuring charges	3,367
2011 [Member] | Asia [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	136
Facility lease costs	623
Other exit costs	289
Restructuring charges	1,048
2010 [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		4,146
Facility lease costs		494
Other exit costs		1,185
Restructuring charges		5,825
2010 [Member] | Americas [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		1,388
Facility lease costs		494
Other exit costs		369
Restructuring charges		2,251
2010 [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		1,374
Other exit costs		137
Restructuring charges		1,511
2010 [Member] | Asia [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		1,384
Other exit costs		679
Restructuring charges		2,063
2009 [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			4,301
Facility lease costs			2,843
Other exit costs			1,094
Restructuring charges			8,238
2009 [Member] | Americas [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			1,262
Facility lease costs			139
Other exit costs			920
Restructuring charges			2,321
2009 [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			2,100
Facility lease costs			2,704
Other exit costs			144
Restructuring charges			4,948
2009 [Member] | Asia [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			939
Other exit costs			30
Restructuring charges			$ 969