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Segment Information - Additional Information (Detail) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 28, 2019 USD ($) | Sep. 28, 2019 USD ($) | Jun. 29, 2019 USD ($) | Mar. 30, 2019 USD ($) | Dec. 29, 2018 USD ($) | Sep. 29, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 28, 2019 USD ($) Segment Customer | Dec. 29, 2018 USD ($) Customer | Dec. 30, 2017 USD ($) Customer
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
External revenue | $ | $ 994,879 | $ 1,011,658 | $ 1,045,040 | $ 1,033,000 | $ 1,182,351 | $ 1,202,081 | $ 1,182,786 | $ 1,047,926 | $ 4,084,577 | $ 4,615,144 | $ 3,646,364
Number of segments | Segment |  |  |  |  |  |  |  |  | 2 |  |
Number of customers accounting for 10 percent or more of total revenue | Customer |  |  |  |  |  |  |  |  | 0 | 0 | 0
No single customer accounted for benchmark percentage to be considered major customer |  |  |  |  |  |  |  |  | 10.00% | 10.00% | 10.00%

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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