Goodwill Assets (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 79,111
Goodwill reductions	(153)
Goodwill, Translation Adjustments	1,045
Goodwill, Ending Balance	80,003
North America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	42,443
Goodwill additions	0
Goodwill, Translation Adjustments	9
Goodwill, Ending Balance	42,452
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	19,280
Goodwill reductions	(153)
Goodwill, Translation Adjustments	678
Goodwill, Ending Balance	19,805
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	15,244
Goodwill additions	0
Goodwill, Translation Adjustments	165
Goodwill, Ending Balance	15,409
South America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	2,144
Goodwill additions	0
Goodwill, Translation Adjustments	193
Goodwill, Ending Balance	$ 2,337