Restructuring (Schedule of Restructuring Reserve by Type of Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2015	$ 7,410
Restructuring Charges	656	0
Payments for Restructuring	(5,060)
Non-cash adjustments	(13)
Currency Translation	(100)
Balance at March 31, 2015	2,893
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2015	6,525
Restructuring Charges	656
Payments for Restructuring	(4,904)
Non-cash adjustments	(13)
Currency Translation	(100)
Balance at March 31, 2015	2,164
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2015	885
Restructuring Charges	0
Payments for Restructuring	(156)
Non-cash adjustments	0
Currency Translation	0
Balance at March 31, 2015	$ 729