Restructuring Charges (Schedule Of Accrued Restructuring Balances) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 1,091
Restructuring charges	613
Cash Payment	(1,373)
Non-Cash Activity	(344)
Foreign Exchange Adjustments	13
Ending Balance	0
2014 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	617
Cash Payment	(617)
Non-Cash Activity	0
Foreign Exchange Adjustments	0
Ending Balance	0
2013 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	953
Restructuring charges	12
Cash Payment	(646)
Non-Cash Activity	(344)
Foreign Exchange Adjustments	25
Ending Balance	0
2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	138
Restructuring charges	(16)
Cash Payment	(110)
Non-Cash Activity	0
Foreign Exchange Adjustments	(12)
Ending Balance	0
Severance [Member] | 2014 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	614
Cash Payment	(614)
Non-Cash Activity	0
Foreign Exchange Adjustments	0
Ending Balance	0
Severance [Member] | 2013 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	120
Restructuring charges	87
Cash Payment	(193)
Non-Cash Activity	0
Foreign Exchange Adjustments	(14)
Ending Balance	0
Severance [Member] | 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	34
Restructuring charges	45
Cash Payment	(79)
Non-Cash Activity	0
Foreign Exchange Adjustments	0
Ending Balance	0
Other Exit Costs [Member] | 2014 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance		0
Restructuring charges	3
Cash Payment	(3)
Non-Cash Activity	0
Foreign Exchange Adjustments	0
Ending Balance	0	0
Other Exit Costs [Member] | 2013 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	833
Restructuring charges	(75)
Cash Payment	(453)
Non-Cash Activity	(344)
Foreign Exchange Adjustments	39
Ending Balance	0
Other Exit Costs [Member] | 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	104
Restructuring charges	(61)
Cash Payment	(31)
Non-Cash Activity	0
Foreign Exchange Adjustments	(12)
Ending Balance	$ 0