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Revenue and Geographic Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 1,443,276	$ 1,518,056	$ 1,655,255
Sonos speakers
Disaggregation of Revenue [Line Items]
Revenue	1,121,808	1,169,604	1,293,440
Sonos system products
Disaggregation of Revenue [Line Items]
Revenue	249,237	267,744	285,064
Partner products and other revenue
Disaggregation of Revenue [Line Items]
Revenue	72,231	80,708	76,751
Americas
Disaggregation of Revenue [Line Items]
Revenue	922,941	1,004,770	1,048,245
Europe, Middle East and Africa ("EMEA")
Disaggregation of Revenue [Line Items]
Revenue	441,177	430,428	518,179
Asia Pacific ("APAC")
Disaggregation of Revenue [Line Items]
Revenue	79,158	82,858	88,831
United States
Disaggregation of Revenue [Line Items]
Revenue	855,740	930,286	971,151
Other countries
Disaggregation of Revenue [Line Items]
Revenue	$ 587,536	$ 587,770	$ 684,104

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