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Acquisitions, Divestiture and Goodwill (Divestiture) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 30, 2016 | Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Business divestiture |  | $ 1,750 | $ 3,500 | $ 0
Misfit escrow receipts |  | 0 | $ 3,341 | $ 0
Misfit, Inc. |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Business divestiture | $ 3,500 |  |  |
Amount held in escrow | $ 3,500 |  |  |
Misfit escrow receipts |  | $ 1,800 |  |
Escrow period after closing of divestiture | 2 years |  |  |

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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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