Revenue and Geographic Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Oct. 01, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 1,518,056	$ 1,655,255	$ 1,752,336
Sonos speakers
Disaggregation of Revenue [Line Items]
Revenue	1,169,604	1,293,440	1,368,916
Sonos system products
Disaggregation of Revenue [Line Items]
Revenue	267,744	285,064	297,110
Partner products and other revenue
Disaggregation of Revenue [Line Items]
Revenue	80,708	76,751	86,310
Americas
Disaggregation of Revenue [Line Items]
Revenue	1,004,770	1,048,245	1,044,113
Europe, Middle East and Africa ("EMEA")
Disaggregation of Revenue [Line Items]
Revenue	430,428	518,179	578,034
Asia Pacific ("APAC")
Disaggregation of Revenue [Line Items]
Revenue	82,858	88,831	130,189
United States
Disaggregation of Revenue [Line Items]
Revenue	930,286	971,151	964,118
Other countries
Disaggregation of Revenue [Line Items]
Revenue	$ 587,770	$ 684,104	$ 788,218