Interim Condensed Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 25, 2021	Jun. 26, 2020	Jun. 25, 2021	Jun. 26, 2020
Statement of Comprehensive Income [Abstract]
Net income including controlling interest	$ 54,560	$ 67,378	$ 273,595	$ 204,643
Other comprehensive income:
Currency translation adjustments gains, net of tax expense of ($110), $0, ($617), and $0	898	8,471	8,300	1,900
Unrealized gains/(losses) on investments, net of tax benefit/(expense) of $42, ($556), $88, and ($763)	(162)	478	(522)	(411)
Unrealized gains/(losses) on cash flow hedges, net of tax expense of ($123), ($110), ($453), and ($110)	(1,658)	5,764	(1,876)	2,040
Other Comprehensive Income (Loss), Net of Tax	(922)	14,713	5,902	3,529
Comprehensive income	53,638	82,091	279,497	208,172
Less: comprehensive (income) attributable to controlling interest	(10)	(312)	(7,899)	(134)
Comprehensive income attributable to Dolby Laboratories, Inc.	$ 53,628	$ 81,779	$ 271,598	$ 208,038