Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	12 Months Ended
Sep. 28, 2018	Sep. 29, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income including controlling interest	$ 122,805	$ 202,427	$ 186,402
Other comprehensive income/(loss):
Foreign currency translation adjustments, net of tax	(5,578)	3,653	85
Unrealized gains/(losses) on available-for-sale securities, net of tax	(2,571)	(1,119)	392
Comprehensive income	114,656	204,961	186,879
Less: comprehensive (income) attributable to controlling interest	(489)	(715)	246
Comprehensive income attributable to Dolby Laboratories, Inc.	$ 114,167	$ 204,246	$ 187,125

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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