Restructuring (Schedule of Restructuring Reserve by Type of Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2014			$ 7,410
Charges incurred	$ 2,631	$ 5,619	5,941	$ 6,772
Cash payments			(8,120)
Non-cash adjustments			(3,401)
Currency translation			(206)
Balance at September 30, 2015	1,624		1,624
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2014			6,525
Charges incurred			2,380
Cash payments			(7,778)
Non-cash adjustments			0
Currency translation			(35)
Balance at September 30, 2015	1,092		1,092
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2014			885
Charges incurred			3,561
Cash payments			(342)
Non-cash adjustments			(3,401)
Currency translation			(171)
Balance at September 30, 2015	$ 532		$ 532