Stock-based Compensation - Narrative (Details) - USD ($)	6 Months Ended	12 Months Ended
	Mar. 29, 2025	Sep. 28, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expense	$ 0	$ 0
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expense	$ 115,600,000	115,400,000
Unrecognized stock-based compensation expense, period of recognition	2 years 4 months 24 days
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expense	$ 3,800,000	$ 200,000
Unrecognized stock-based compensation expense, period of recognition	1 year 6 months	1 year 6 months

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Sonos Inc 10-Q