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Business Segment, Geographic Area, Product and Significant Customer Information - Schedule of Gross Profit (Loss) by Reportable Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Gross profit	$ 87,680	$ 62,234	$ 61,958	$ 54,702	$ 52,601	$ 56,571	$ 76,516	$ 83,791	$ 266,574	$ 269,479	$ 374,988
Advanced Manufacturing Capital Equipment [Member]
Segment Reporting Information [Line Items]
Gross profit									187,685	171,308	263,863
Analytical Solutions Group [Member]
Segment Reporting Information [Line Items]
Gross profit									29,431	32,741	31,800
Europe Region Sales & Service Operations [Member]
Segment Reporting Information [Line Items]
Gross profit									13,600	15,156	21,323
Asia Region Sales & Service Operations [Member]
Segment Reporting Information [Line Items]
Gross profit									42,948	36,962	45,267
Corporate, Eliminations and Other [Member]
Segment Reporting Information [Line Items]
Gross profit									$ (7,090)	$ 13,312	$ 12,735

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ 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 210.5-03.1,2)

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

+ Details

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Period Type:	duration

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- Details

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Data Type:	xbrli:stringItemType
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