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Goodwill and Other Intangibles - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 26, 2020 | Dec. 31, 2019
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 858,278 | $ 784,995
Accumulated Amortization | $ 603,110 | $ 544,792
Weighted-Average Amortization Period | 7 years | 7 years
Trademarks and In Process Research and Development [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 13,702 | $ 13,782
Software Development [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 542,127 | 481,986
Accumulated Amortization | $ 378,999 | $ 333,255
Weighted-Average Amortization Period | 5 years | 5 years
Purchased Intangibles [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 209,877 | $ 200,523
Accumulated Amortization | $ 159,747 | $ 151,722
Weighted-Average Amortization Period | 11 years | 11 years
Licensing Agreements [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 5,600 | $ 5,669
Accumulated Amortization | $ 5,345 | $ 5,298
Weighted-Average Amortization Period | 6 years | 6 years
Patents and Other Intangibles [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 86,972 | $ 83,035
Accumulated Amortization | $ 59,019 | $ 54,517
Weighted-Average Amortization Period | 8 years | 8 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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X
- 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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X
- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References No definition available. + Details
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