Interim Condensed Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	3 Months Ended
Dec. 28, 2018	Dec. 29, 2017
Statement of Comprehensive Income [Abstract]
Net income including controlling interest	$ 98,358	$ (53,158)
Other comprehensive income:
Foreign currency translation adjustments, net of tax	(3,728)	1,218
Unrealized gains/(losses) on available-for-sale securities, net of tax	770	(1,593)
Comprehensive income	95,400	(53,533)
Less: comprehensive (income) attributable to controlling interest	12	(138)
Comprehensive income attributable to Dolby Laboratories, Inc.	$ 95,412	$ (53,671)

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 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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