Acquisition Funded Through Use Of Existing Cash

No definition available.

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- Definition

Business Acquisition Approximate Annual Revenue

+ References

No definition available.

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- Definition

Business Acquisition Cost of Acquired Entity Financed by Borrowings

+ References

No definition available.

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- Definition

Business Acquisition Cost Of Acquired Entity Transaction Cost

+ References

No definition available.

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- Definition

Business Acquisition Purchase Price Allocation Goodwill Expected Non Tax Deductible Amount

+ References

No definition available.

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- Definition

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

Amount of cash paid to acquire the entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 51

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Fair value of noncash consideration given by the acquirer to acquire the entity. Does not include cash paid, the fair value of debt and securities issued and liabilities incurred to acquire the entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 52

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Amount of acquisition cost of a business combination allocated to assets, excluding financial assets and goodwill, lacking physical substance.

+ References

No definition available.

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- Definition

The amount of acquisition cost of a business combination allocated to liabilities assumed.

+ References

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

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- Definition

Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition.

+ References

No definition available.

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

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-Paragraph 1

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- Definition

For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

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Acquisitions - Additional Information (Detail)	3 Months Ended		3 Months Ended				1 Months Ended		1 Months Ended
Acquisitions - Additional Information (Detail)	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2013 FTL Seals Technology, Ltd USD ($)	Mar. 31, 2013 FTL Seals Technology, Ltd GBP (£)	Mar. 18, 2013 FTL Seals Technology, Ltd USD ($)	Mar. 18, 2013 FTL Seals Technology, Ltd GBP (£)	Apr. 30, 2012 Precision Photonics Corporation USD ($)	Apr. 11, 2012 Precision Photonics Corporation USD ($)	Apr. 30, 2012 ERC USD ($)	Apr. 30, 2012 ERC JPY (¥)	Jul. 31, 2012 Matcon Group Limited USD ($)	Jul. 31, 2012 Matcon Group Limited GBP (£)	Mar. 31, 2013 Matcon Group Limited USD ($)	Jul. 20, 2012 Matcon Group Limited USD ($)	Jul. 20, 2012 Matcon Group Limited GBP (£)
Business Acquisition [Line Items]
Annual revenue of entity acquired			$ 22,500,000	£ 15,000,000			$ 7,000,000		$ 27,000,000	¥ 2,140,000,000
Aggregate purchase price					34,600,000	23,100,000		20,600,000	18,000,000	1,470,000,000				45,800,000	29,100,000
Acquisition cash payment made for funded from operation			34,600,000					20,600,000
Goodwill recognized in acquisition			18,084,000		18,100,000			13,900,000	8,500,000					28,000,000
Intangible assets recognized in acquisition					13,000,000			5,100,000	5,600,000					14,100,000
Goodwill not deductible for tax purpose					18,100,000			13,900,000	8,500,000					28,000,000
Acquisition-related transaction costs	1,100,000
Business acquisition, cash consideration paid									13,300,000					35,000,000
Business acquisition, assumption of debt			5,939,000						4,700,000
Acquired entity, approximate annual revenue											34,400,000	22,000,000
Business acquisition, working capital adjustments														2,400,000
Contingent consideration fair value	8,644,000	9,043,000											8,600,000	8,400,000
Business acquisition, minimum potential undiscounted amount of all future payments														3,800,000
Business acquisition, maximum potential undiscounted amount of all future payments														8,600,000
Business acquisition, amount financed with borrowings under the revolving facility														$ 15,000,000