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Acquisitions - Additional Information (Detail) | 9 Months Ended |  | 0 Months Ended | 9 Months Ended | 0 Months Ended |  | 0 Months Ended | 1 Months Ended |
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Sep. 30, 2013 USD ($) | Dec. 31, 2012 USD ($) | Mar. 18, 2013 FTL Seals Technology, Ltd USD ($) | Mar. 18, 2013 FTL Seals Technology, Ltd GBP (£) | Sep. 30, 2013 FTL Seals Technology, Ltd USD ($) | Sep. 30, 2013 FTL Seals Technology, Ltd GBP (£) | Apr. 11, 2012 Precision Photonics Corporation USD ($) | Apr. 30, 2013 ERC USD ($) | Apr. 30, 2013 ERC JPY (¥) | Apr. 30, 2012 ERC USD ($) | Jul. 20, 2012 Matcon Group Limited USD ($) | Jul. 20, 2012 Matcon Group Limited GBP (£) | Apr. 30, 2013 Matcon Group Limited USD ($) | Sep. 30, 2013 Matcon Group Limited USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual revenue of entity acquired |  |  |  |  | $ 22,500,000 | £ 15,000,000 |  |  |  |  |  |  |  |
Aggregate purchase price |  |  | 34,500,000 | 23,100,000 |  |  | 20,600,000 | 18,000,000 | 1,470,000,000 |  | 45,800,000 | 29,100,000 |  |
Goodwill | 1,344,176,000 | 1,321,727,000 | 17,994,000 |  |  |  | 13,900,000 |  |  | 8,500,000 | 28,000,000 |  |  |
Intangible assets |  |  | 13,016,000 |  |  |  |  |  |  |  |  |  |  |
Acquisition-related transaction costs | 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Non cash acquistion related costs | 1,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired other than goodwill |  |  |  |  |  |  | 5,100,000 |  |  | 5,600,000 | 14,100,000 |  |  |
Goodwill not deductible for tax purpose |  |  |  |  |  |  | 13,900,000 |  |  | 8,500,000 | 28,000,000 |  |  |
Business acquisition, cash consideration paid |  |  |  |  |  |  |  | 13,300,000 |  |  | 35,000,000 |  |  |
Business acquisition, assumption of debt |  |  | 5,939,000 |  |  |  |  |  |  | 4,700,000 |  |  |  |
Business acquisition, working capital adjustments |  |  |  |  |  |  |  |  |  |  | 2,400,000 |  |  |
Contingent consideration fair value | 4,890,000 | 9,043,000 |  |  |  |  |  |  |  |  | 8,400,000 |  |  | 4,900,000
Payment under contingent consideration arrangement |  |  |  |  |  |  |  |  |  |  |  |  | 3,800,000 |
Business acquisition, minimum potential undiscounted amount of all future payments |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Business acquisition, maximum potential undiscounted amount of all future payments |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,900,000
Business acquisition, amount financed with borrowings under the revolving facility |  |  |  |  |  |  |  |  |  |  | $ 15,000,000 |  |  |

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- Definition Business Acquisition Purchase Price Allocation Goodwill Expected Non Tax Deductible Amount + References No definition available. + Details
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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. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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- Definition Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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- Definition Amount of (increase) decrease in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479 + Details
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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 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464 + Details
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- Definition Amount of liabilities assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition 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. + References 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=14024403&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 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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