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Segment Information - Additional Information (Detail) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 USD ($) | Sep. 24, 2016 USD ($) | Jun. 25, 2016 USD ($) | Mar. 26, 2016 USD ($) | Dec. 26, 2015 USD ($) | Sep. 26, 2015 USD ($) | Jun. 27, 2015 USD ($) | Mar. 28, 2015 USD ($) | Dec. 31, 2016 USD ($) Customer Segment | Dec. 26, 2015 USD ($) Customer | Dec. 27, 2014 USD ($) Customer
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
External revenue | $ | $ 892,829 | $ 787,938 | $ 775,223 | $ 711,644 | $ 848,602 | $ 841,726 | $ 868,383 | $ 762,380 | $ 3,167,634 | $ 3,321,091 | $ 3,184,790
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 Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
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- Definition Number Of Customers Accounting For 10 Percent Or More Of Revenue + References No definition available. + Details
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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 of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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