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Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified | Mar. 29, 2013 | Dec. 31, 2012
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Schedule of Intangible Assets Disclosure [Line Items] |  |
Amortizable intangible assets, gross carrying amount | $ 139,269 | $ 103,047
Amortizable intangible assets, accumulated amortization | (78,806) | (76,054)
Amortizable intangible assets, net carrying amount | 60,463 | 26,993
Gross carrying amount | 152,296 | 116,074
Accumulated amortization | (78,806) | (76,054)
Net carrying amount | 73,490 | 40,020
Patents and acquired technology |  |
Schedule of Intangible Assets Disclosure [Line Items] |  |
Amortizable intangible assets, gross carrying amount | 67,857 | 61,667
Amortizable intangible assets, accumulated amortization | (51,656) | (50,904)
Amortizable intangible assets, net carrying amount | 16,201 | 10,763
Customer Relationships |  |
Schedule of Intangible Assets Disclosure [Line Items] |  |
Amortizable intangible assets, gross carrying amount | 54,582 | 33,245
Amortizable intangible assets, accumulated amortization | (20,005) | (18,981)
Amortizable intangible assets, net carrying amount | 34,577 | 14,264
Customer Backlog |  |
Schedule of Intangible Assets Disclosure [Line Items] |  |
Amortizable intangible assets, gross carrying amount | 3,598 | 2,355
Amortizable intangible assets, accumulated amortization | (3,239) | (2,355)
Amortizable intangible assets, net carrying amount | 359 |
Trademarks, trade names and other |  |
Schedule of Intangible Assets Disclosure [Line Items] |  |
Amortizable intangible assets, gross carrying amount | 13,232 | 5,780
Amortizable intangible assets, accumulated amortization | (3,906) | (3,814)
Amortizable intangible assets, net carrying amount | 9,326 | 1,966
Trade Names |  |
Schedule of Intangible Assets Disclosure [Line Items] |  |
Non-amortizable intangible assets, gross carrying amount | 13,027 | 13,027
Non-amortizable intangible assets, accumulated amortization |  |
Non-amortizable intangible assets, net carrying amount | $ 13,027 | $ 13,027

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(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. + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(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. + Details
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