Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill, beginning balance	$ 45,970	$ 44,691	$ 37,912
Acquisitions	153,320	1,279	6,779
Goodwill, ending balance	199,290	45,970	44,691
Americas [Member]
Goodwill [Line Items]
Goodwill, beginning balance	7,868	6,641	0
Acquisitions	153,320	1,227	6,641
Goodwill, ending balance	161,188	7,868	6,641
Asia [Member]
Goodwill [Line Items]
Goodwill, beginning balance	38,102	38,050	37,912
Acquisitions	0	52	138
Goodwill, ending balance	$ 38,102	$ 38,102	$ 38,050