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Property and Equipment - Narrative (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2017 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation |  | $ 11,600 | $ 13,400 | $ 16,300
Proceeds from sale of building |  | 0 | 0 | 7,895
Property and equipment, net |  | 39,230 | 34,883 |
Accumulated depreciation and amortization |  | 125,990 | 141,367 |
Gain on sale of building |  | 0 | 0 | $ 4,624
Restructuring |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation |  | $ 400 | $ 600 |
Shanghai, China | Building |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from sale of building | $ 7,900 |  |  |
Property and equipment, net | 3,600 |  |  |
Accumulated depreciation and amortization | 1,400 |  |  |
Direct selling costs | 1,100 |  |  |
Gain on sale of building | $ 4,600 |  |  |

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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