v3.10.0.1

Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2018 | Sep. 30, 2017 | Apr. 01, 2017 | Sep. 29, 2018 | Sep. 30, 2017 | Jul. 01, 2017
Related Party Transaction [Line Items] |  |  |  |  |  |
Selling and marketing expenses | $ 2,912 | $ 3,655 |  | $ 8,565 | $ 11,475 |
Director |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Related party expenses |  |  |  |  |  | $ 1,400
Selling and marketing expenses |  |  | $ 600 |  |  |
Selling and marketing |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Selling and marketing expenses |  |  |  |  | $ 1,200 |

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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
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Balance Type: | debit
Period Type: | duration

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Balance Type: |
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