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Investment in Other Company - Additional Information (Detail) € in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2014 USD ($)	Sep. 30, 2014 USD ($)	Aug. 31, 2015 EUR (€)	Aug. 31, 2015 USD ($)	Oct. 31, 2014 EUR (€)	Oct. 31, 2014 USD ($)	Aug. 30, 2014 EUR (€)	Aug. 30, 2014 USD ($)
Schedule of Cost-method Investments [Line Items]
Capital loss from the sale of investment	$ 404	$ 404
Antcor Advanced Network Technologies S.A
Schedule of Cost-method Investments [Line Items]
Business acquisition consideration received			€ 99	$ 111	€ 17	$ 21	€ 757	$ 1,011
Capital loss from the sale of investment	$ 404	$ 404

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+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 225



-SubTopic 10



-Section S99



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



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



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 03



-Paragraph 7



-Subparagraph c



-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 03



-Paragraph 7



-Subparagraph d



-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 03



-Paragraph 9



-Article 5

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