Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill, beginning balance	$ 199,290	$ 45,970	$ 44,691
Acquisitions		153,320
Purchase accounting adjustments	(7,674)		1,279
Goodwill, ending balance	191,616	199,290	45,970
Americas [Member]
Goodwill [Line Items]
Goodwill, beginning balance	161,188	7,868	6,641
Acquisitions		153,320
Purchase accounting adjustments	(7,674)		1,227
Goodwill, ending balance	153,514	161,188	7,868
Asia [Member]
Goodwill [Line Items]
Goodwill, beginning balance	38,102	38,102	38,050
Acquisitions		0
Purchase accounting adjustments	0		52
Goodwill, ending balance	$ 38,102	$ 38,102	$ 38,102