Restructuring Charges (Schedule Of Components Of Restructuring Charges) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 1,500	$ 2,400	$ 4,200
Total restructuring charges	2,200	4,515	6,724
2012 [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	1,529
Facility lease costs	55
Other exit costs	209
Total restructuring charges	1,793
2012 [Member] | Americas [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	494
Total restructuring charges	494
2012 [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	531
Other exit costs	176
Total restructuring charges	707
2012 [Member] | Asia [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	504
Facility lease costs	55
Other exit costs	33
Total restructuring charges	592
2011 [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		2,386
Facility lease costs		1,958
Other exit costs		514
Total restructuring charges	272	4,858
2011 [Member] | Americas [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		421
Other exit costs		22
Total 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
Total 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
Total 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
Total restructuring charges	48	(322)	5,825
2010 [Member] | Americas [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			1,388
Facility lease costs			494
Other exit costs			369
Total restructuring charges			2,251
2010 [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			1,374
Other exit costs			137
Total restructuring charges			1,511
2010 [Member] | Asia [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			1,384
Other exit costs			679
Total restructuring charges			$ 2,063