Restructuring Charges (Schedule Of Accrued Restructuring Balances) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 1,091
Restructuring charges	181
Cash Payment	(724)
Non-Cash Activity	(237)
Foreign Exchange Adjustments	15
Ending Balance	326
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	(471)
Non-Cash Activity	(237)
Foreign Exchange Adjustments	24
Ending Balance	269
2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	138
Restructuring charges	0
Cash Payment	(72)
Non-Cash Activity	0
Foreign Exchange Adjustments	(9)
Ending Balance	57
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	87
Cash Payment	(179)
Non-Cash Activity	0
Foreign Exchange Adjustments	3
Ending Balance	31
Severance [Member] | 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	34
Restructuring charges	7
Cash Payment	(41)
Non-Cash Activity	0
Foreign Exchange Adjustments	0
Ending Balance	0
Other Exit Costs [Member] | 2013 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	833
Restructuring charges	(87)
Cash Payment	(292)
Non-Cash Activity	(237)
Foreign Exchange Adjustments	21
Ending Balance	238
Other Exit Costs [Member] | 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	104
Restructuring charges	(7)
Cash Payment	(31)
Non-Cash Activity	0
Foreign Exchange Adjustments	(9)
Ending Balance	$ 57