Restructuring Charges (Schedule Of Accrued Restructuring Balances) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 1,091
Restructuring charges	181
Cash Payment	(655)
Non-Cash Activity	(105)
Foreign Exchange Adjustments	7
Ending Balance	519
2014 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	181
Cash Payment	(181)
Non-Cash Activity	0
Foreign Exchange Adjustments	0
Ending Balance	0
2013 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	953
Restructuring charges	0
Cash Payment	(421)
Non-Cash Activity	(105)
Foreign Exchange Adjustments	16
Ending Balance	443
2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	138
Restructuring charges	0
Cash Payment	(53)
Non-Cash Activity	0
Foreign Exchange Adjustments	(9)
Ending Balance	76
Severance [Member] | 2014 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	181
Cash Payment	(181)
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	178
Cash Payment	(157)
Non-Cash Activity	0
Foreign Exchange Adjustments	(1)
Ending Balance	140
Severance [Member] | 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	34
Restructuring charges	0
Cash Payment	(30)
Non-Cash Activity	0
Foreign Exchange Adjustments	0
Ending Balance	4
Other Exit Costs [Member] | 2013 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	833
Restructuring charges	(178)
Cash Payment	(264)
Non-Cash Activity	(105)
Foreign Exchange Adjustments	17
Ending Balance	303
Other Exit Costs [Member] | 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	104
Restructuring charges	0
Cash Payment	(23)
Non-Cash Activity	0
Foreign Exchange Adjustments	(9)
Ending Balance	$ 72