Goodwill Assets (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 79,111
Goodwill reductions	(16)
Goodwill, Translation Adjustments	229
Goodwill, Ending Balance	79,324
North America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	42,443
Goodwill additions	98
Goodwill, Translation Adjustments	(93)
Goodwill, Ending Balance	42,448
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	19,280
Goodwill reductions	(114)
Goodwill, Translation Adjustments	90
Goodwill, Ending Balance	19,256
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	15,244
Goodwill additions	0
Goodwill, Translation Adjustments	(208)
Goodwill, Ending Balance	15,036
South America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	2,144
Goodwill additions	0
Goodwill, Translation Adjustments	440
Goodwill, Ending Balance	$ 2,584