Balance Sheet Components - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 28, 2026	Mar. 29, 2025	Mar. 28, 2026	Mar. 29, 2025	Sep. 27, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reserves for excess and obsolete inventory	$ 40.5		$ 40.5		$ 41.2
Amortization expenses	$ 1.1	$ 0.9	$ 2.1	$ 1.7

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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+ Details

Sonos Inc 10-Q