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Restructuring (Schedule of Restructuring Reserve by Type of Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Restructuring Reserve [Roll Forward]
December 31, 2015			$ 10,010
Charges	$ 19,312	$ 2,631	19,666	$ 5,941
Cash payments			(10,564)
Currency translation			(81)
September 30, 2016	19,031		19,031
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
December 31, 2015			9,498
Charges			18,947
Cash payments			(9,501)
Currency translation			(88)
September 30, 2016	18,856		18,856
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
December 31, 2015			512
Charges			719
Cash payments			(1,063)
Currency translation			7
September 30, 2016	$ 175		$ 175