Goodwill Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 58,151
Goodwill, Acquired During Period	13,429
Goodwill, Translation Adjustments	(1,527)
Goodwill, Ending Balance	70,053
North America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	28,127
Goodwill, Acquired During Period	13,429
Goodwill, Translation Adjustments	(611)
Goodwill, Ending Balance	40,945
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	11,184
Goodwill, Acquired During Period	0
Goodwill, Translation Adjustments	(341)
Goodwill, Ending Balance	10,843
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	15,018
Goodwill, Acquired During Period	0
Goodwill, Translation Adjustments	(458)
Goodwill, Ending Balance	14,560
South America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	3,822
Goodwill, Acquired During Period	0
Goodwill, Translation Adjustments	(117)
Goodwill, Ending Balance	$ 3,705