Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	12 Months Ended
	Sep. 25, 2015	Sep. 26, 2014	Sep. 27, 2013
Statement of Comprehensive Income [Abstract]
Net income including controlling interest	$ 183,240	$ 208,720	$ 190,302
Other comprehensive income/(loss):
Foreign currency translation adjustments, net of tax	(14,858)	(5,004)	(2,037)
Unrealized gains/(losses) on available-for-sale securities, net of tax	(155)	302	(876)
Comprehensive income	168,227	204,018	187,389
Less: comprehensive (income) attributable to controlling interest	(1,326)	(2,715)	(991)
Comprehensive income attributable to Dolby Laboratories, Inc.	$ 166,901	$ 201,303	$ 186,398