Goodwill Assets (Details) (USD $)	3 Months Ended
Mar. 31, 2015
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 77,933,000us-gaap_Goodwill
Goodwill, Acquired During Period	(528,000)us-gaap_GoodwillAcquiredDuringPeriod
Goodwill, Translation Adjustments	(2,236,000)us-gaap_GoodwillTranslationAdjustments
Goodwill, Ending Balance	75,169,000us-gaap_Goodwill
North America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	42,677,000
Goodwill, Acquired During Period	0
Goodwill, Translation Adjustments	(63,000)
Goodwill, Ending Balance	42,614,000
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	16,050,000
Goodwill, Acquired During Period	(528,000)
Goodwill, Translation Adjustments	(1,583,000)
Goodwill, Ending Balance	13,939,000
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	16,006,000
Goodwill, Acquired During Period	0
Goodwill, Translation Adjustments	(55,000)
Goodwill, Ending Balance	15,951,000
South America [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	3,200,000
Goodwill, Acquired During Period	0
Goodwill, Translation Adjustments	(535,000)
Goodwill, Ending Balance	$ 2,665,000

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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