Interim Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 25, 2021	Jun. 26, 2020	Jun. 25, 2021	Jun. 26, 2020
Revenue:
Revenue	$ 286,799	$ 246,909	$ 996,231	$ 890,601
Total revenue	286,799	246,909	996,231	890,601
Cost of revenue:
Total cost of revenue	31,644	29,888	99,326	104,033
Gross margin	255,155	217,021	896,905	786,568
Operating expenses:
Research and development	62,094	59,583	191,674	177,319
Sales and marketing	80,714	70,934	234,205	254,537
General and administrative	56,116	50,843	169,968	164,172
Gain on sale of assets	0	0	(13,871)	0
Restructuring charges	140	1,522	10,904	1,866
Total operating expenses	199,064	182,882	592,880	597,894
Operating income	56,091	34,139	304,025	188,674
Other income/(expense):
Interest income	741	2,578	2,677	12,231
Interest expense	(108)	(34)	(360)	(131)
Other income, net	2,401	3,307	5,112	4,449
Total other income	3,034	5,851	7,429	16,549
Income before income taxes	59,125	39,990	311,454	205,223
(Provision for)/benefit from income taxes	(4,565)	27,388	(37,859)	(580)
Net income including controlling interest	54,560	67,378	273,595	204,643
Less: net (income)/loss attributable to controlling interest	61	(93)	(7,559)	(109)
Net income attributable to Dolby Laboratories, Inc.	$ 54,621	$ 67,285	$ 266,036	$ 204,534
Net income per share:
Basic (in usd per share)	$ 0.54	$ 0.67	$ 2.63	$ 2.03
Diluted (in usd per share)	$ 0.52	$ 0.66	$ 2.54	$ 1.99
Weighted-average shares outstanding:
Basic (in shares)	101,351	100,593	101,177	100,594
Diluted (in shares)	104,633	102,075	104,607	102,912
Cash dividend declared per common share (in dollars per share)	$ 0.22	$ 0.22	$ 0.66	$ 0.66
Cash dividend paid per common share (in dollars per share)	$ 0.22	$ 0.22	$ 0.66	$ 0.66
Licensing
Revenue:
Revenue	$ 271,569	$ 235,125	$ 948,159	$ 821,673
Cost of revenue:
Cost of revenue	12,480	12,572	41,486	38,157
Products and services
Revenue:
Revenue	15,230	11,784	48,072	68,928
Cost of revenue:
Cost of revenue	$ 19,164	$ 17,316	$ 57,840	$ 65,876