Interim Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2022	Mar. 26, 2021	Apr. 01, 2022	Mar. 26, 2021
Revenue:
Revenue	$ 334,371	$ 319,558	$ 686,004	$ 709,432
Total revenue	334,371	319,558	686,004	709,432
Cost of revenue:
Total cost of revenue	35,515	32,378	68,224	67,682
Gross margin	298,856	287,180	617,780	641,750
Operating expenses:
Research and development	67,421	65,808	136,245	129,580
Sales and marketing	84,230	78,046	181,400	153,491
General and administrative	98,693	59,398	161,137	113,852
Gain on sale of assets	0	0	0	(13,871)
Restructuring charges	5,162	741	5,067	10,764
Total operating expenses	255,506	203,993	483,849	393,816
Operating income	43,350	83,187	133,931	247,934
Other income/(expense):
Interest income	1,098	962	1,814	1,936
Interest expense	(87)	(167)	(171)	(252)
Other income/(expense), net	(910)	1,385	(681)	2,711
Total other income	101	2,180	962	4,395
Provision for income taxes	(6,932)	(9,022)	(18,364)	(33,294)
Net income including controlling interest	36,519	76,345	116,529	219,035
Less: net (income)/loss attributable to controlling interest	201	(128)	205	(7,620)
Net income attributable to Dolby Laboratories, Inc.	$ 36,720	$ 76,217	$ 116,734	$ 211,415
Net income per share:
Basic (in usd per share)	$ 0.36	$ 0.75	$ 1.15	$ 2.09
Diluted (in usd per share)	$ 0.36	$ 0.73	$ 1.13	$ 2.02
Weighted-average shares outstanding:
Basic (in shares)	101,343	101,464	101,285	101,090
Diluted (in shares)	102,707	104,581	103,477	104,414
Cash dividend declared per common share (in dollars per share)	$ 0.25	$ 0.22	$ 0.50	$ 0.44
Cash dividend paid per common share (in dollars per share)	$ 0.25	$ 0.22	$ 0.50	$ 0.44
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	$ 43,451	$ 85,367	$ 134,893	$ 252,329
Licensing
Revenue:
Revenue	313,833	303,585	646,117	676,590
Cost of revenue:
Cost of revenue	16,672	16,060	31,607	29,006
Products and services
Revenue:
Revenue	20,538	15,973	39,887	32,842
Cost of revenue:
Cost of revenue	$ 18,843	$ 16,318	$ 36,617	$ 38,676