Interim Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 29, 2024	Mar. 31, 2023	Mar. 29, 2024	Mar. 31, 2023
Revenue:
Revenue	$ 364,523	$ 375,891	$ 680,097	$ 710,812
Total revenue	364,523	375,891	680,097	710,812
Cost of revenue:
Total cost of revenue	38,777	41,049	70,837	75,499
Gross profit	325,746	334,842	609,260	635,313
Operating expenses:
Research and development	62,493	67,951	129,526	132,401
Sales and marketing	90,038	95,695	169,041	177,900
General and administrative	66,742	61,939	131,908	121,911
Restructuring charges	(2,495)	33	3,596	(211)
Total operating expenses	216,778	225,618	434,071	432,001
Operating income	108,968	109,224	175,189	203,312
Other income/(expense):
Interest income/(expense), net	8,597	6,807	17,784	11,604
Other income, net	4,183	1,250	9,608	2,347
Total other income	12,780	8,057	27,392	13,951
Income before income taxes	121,748	117,281	202,581	217,263
Provision for income taxes	(23,534)	(21,398)	(36,786)	(41,932)
Net income including noncontrolling interest	98,214	95,883	165,795	175,331
Less: net income attributable to noncontrolling interest	(384)	(187)	(984)	(260)
Net income attributable to Dolby Laboratories, Inc.	$ 97,830	$ 95,696	$ 164,811	$ 175,071
Net income per share:
Basic (in usd per share)	$ 1.02	$ 1.00	$ 1.72	$ 1.83
Diluted (in usd per share)	$ 1.01	$ 0.98	$ 1.69	$ 1.80
Weighted-average shares outstanding:
Basic (in shares)	95,718	95,820	95,547	95,862
Diluted (in shares)	96,856	97,298	97,397	97,392
Cash dividend declared per common share (in dollars per share)	$ 0.30	$ 0.27	$ 0.60	$ 0.54
Cash dividend paid per common share (in dollars per share)	$ 0.30	$ 0.27	$ 0.60	$ 0.54
Licensing
Revenue:
Revenue	$ 338,240	$ 351,608	$ 632,007	$ 659,619
Cost of revenue:
Cost of revenue	15,318	21,365	31,054	34,724
Products and services
Revenue:
Revenue	26,283	24,283	48,090	51,193
Cost of revenue:
Cost of revenue	$ 23,459	$ 19,684	$ 39,783	$ 40,775