Interim Condensed Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2022	Mar. 26, 2021	Apr. 01, 2022	Mar. 26, 2021
Statement of Comprehensive Income [Abstract]
Net income including controlling interest	$ 36,519	$ 76,345	$ 116,529	$ 219,035
Other comprehensive income:
Currency translation adjustments gains/(losses), net of tax benefit/(expense) of $34 , ($35), $0, and ($507)	(485)	(766)	(1,756)	7,402
Unrealized losses on investments, net of tax benefit/(expense) of ($1), $44, ($5), and $46	(3,516)	(195)	(4,020)	(360)
Unrealized gains/(losses) on cash flow hedges, net of tax expense of ($49), ($40), ($80), and ($330)	(59)	(2,364)	178	(218)
Other Comprehensive Income (Loss), Net of Tax	(4,060)	(3,325)	(5,598)	6,824
Comprehensive income	32,459	73,020	110,931	225,859
Less: comprehensive (income) attributable to controlling interest	101	(234)	152	(7,889)
Comprehensive income attributable to Dolby Laboratories, Inc.	$ 32,560	$ 72,786	$ 111,083	$ 217,970