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Business Segment, Geographic Area, Product and Significant Customer Information - Net Revenues by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Total net revenues	$ 209,332	$ 186,798	$ 641,137	$ 577,848
Operating Segments [Member] | Advanced Manufacturing Capital Equipment [Member]
Segment Reporting Information [Line Items]
Total net revenues	174,101	146,360	532,300	458,337
Operating Segments [Member] | Global Service [Member]
Segment Reporting Information [Line Items]
Total net revenues	29,891	28,278	87,319	80,676
Operating Segments [Member] | Asia Region Sales [Member]
Segment Reporting Information [Line Items]
Total net revenues	46,733	40,549	158,887	133,438
Operating Segments [Member] | Other [Member]
Segment Reporting Information [Line Items]
Total net revenues	19,289	21,444	59,301	61,520
Corporate and Eliminations [Member]
Segment Reporting Information [Line Items]
Total net revenues	$ (60,682)	$ (49,833)	$ (196,670)	$ (156,123)

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 225



-SubTopic 10



-Section S99



-Paragraph 2



-Subparagraph (SX 210.5-03.1)



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

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