Goodwill Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 58,151
Goodwill, Translation Adjustments	482
Goodwill, Ending Balance	58,633
North America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	28,127
Goodwill, Translation Adjustments	193
Goodwill, Ending Balance	28,320
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	11,184
Goodwill, Translation Adjustments	108
Goodwill, Ending Balance	11,292
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	15,018
Goodwill, Translation Adjustments	144
Goodwill, Ending Balance	15,162
South America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	3,822
Goodwill, Translation Adjustments	37
Goodwill, Ending Balance	$ 3,859