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Restructuring (Schedule of Restructuring Reserve by Type of Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Restructuring Reserve [Roll Forward]
December 31, 2015			$ 10,010
Charges	$ 389	$ 2,654	354	$ 3,310
Cash payments			(9,018)
Currency translation			(84)
June 30, 2016	1,262		1,262
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
December 31, 2015			9,498
Charges			22
Cash payments			(8,628)
Currency translation			(89)
June 30, 2016	803		803
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
December 31, 2015			512
Charges			332
Cash payments			(390)
Currency translation			5
June 30, 2016	$ 459		$ 459