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Balance Sheet Components - Summary of Changes in Deferred Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
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Dec. 30, 2023 | Dec. 31, 2022
Contract with Customer, Liability [Roll Forward] |  |
Deferred revenue, beginning of period | $ 80,838 | $ 83,470
Recognition of revenue included in beginning of period deferred revenue | (4,023) | (11,520)
Revenue deferred, net of revenue recognized on contracts in the respective period | 9,090 | 10,031
Deferred revenue, end of period | $ 85,905 | $ 81,981

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- Definition Contract With Customer, Liability, Recognition Of Period Deferred Revenue + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Contract With Customer, Liability, Revenue Deferred, Net of Revenue Recognized On Contracts + References No definition available. + Details
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- Definition Contract with Customer, Liability [Roll Forward] + References No definition available. + Details
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Namespace Prefix: | sono_
Data Type: | xbrli:stringItemType
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
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Period Type: | instant