Revenue Recognition (Schedule of Disaggregation of Revenue) (Details) $ in Thousands	3 Months Ended
	Dec. 26, 2025 USD ($) country	Dec. 27, 2024 USD ($)
Revenue from External Customer [Line Items]
Total revenue	$ 346,706	$ 356,999
Revenue from contract with customer, percent	100.00%	100.00%
Countries technologies are licensed in \| country	60
United States
Revenue from External Customer [Line Items]
Total revenue	$ 129,208	$ 140,957
Revenue from contract with customer, percent	37.00%	39.00%
International
Revenue from External Customer [Line Items]
Total revenue	$ 217,498	$ 216,042
Revenue from contract with customer, percent	63.00%	61.00%
Licensing
Revenue from External Customer [Line Items]
Total revenue	$ 319,771	$ 330,479
Revenue from contract with customer, percent	92.00%	93.00%
Revenue from contract with customer, licensing percent	100.00%	100.00%
Products and services
Revenue from External Customer [Line Items]
Total revenue	$ 26,935	$ 26,520
Revenue from contract with customer, percent	8.00%	7.00%
Broadcast
Revenue from External Customer [Line Items]
Total revenue	$ 100,263	$ 115,762
Revenue from contract with customer, licensing percent	31.00%	35.00%
Mobile
Revenue from External Customer [Line Items]
Total revenue	$ 74,949	$ 61,524
Revenue from contract with customer, licensing percent	23.00%	19.00%
CE
Revenue from External Customer [Line Items]
Total revenue	$ 45,602	$ 49,457
Revenue from contract with customer, licensing percent	14.00%	15.00%
PC
Revenue from External Customer [Line Items]
Total revenue	$ 28,717	$ 31,256
Revenue from contract with customer, licensing percent	9.00%	9.00%
Other
Revenue from External Customer [Line Items]
Total revenue	$ 70,240	$ 72,480
Revenue from contract with customer, licensing percent	23.00%	22.00%

Dolby Laboratories, Inc. 10-Q