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Balance sheet components - Accrued expenses (Details) - USD ($) $ in Thousands | Mar. 30, 2019 | Sep. 29, 2018
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Accrued advertising and marketing | $ 10,208 | $ 11,613
Accrued taxes | 3,808 | 4,175
Accrued inventory | 644 | 4,179
Accrued manufacturing, logistics and product development | 6,897 | 8,290
Accrued general and administrative expenses | 5,396 | 3,322
Other accrued payables | 4,992 | 7,108
Total accrued expenses | $ 31,945 | $ 38,687

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6911-107765 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 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765 + Details
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