XML 15 R5.htm IDEA: XBRL DOCUMENT
v3.23.1

Interim Condensed Consolidated Statements Of Operations (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2023 | Apr. 01, 2022 | Mar. 31, 2023 | Apr. 01, 2022
Related party rent expense: |  |  |  |
Included in net income attributable to noncontrolling interest | $ 71 | $ 71 | $ 142 | $ 142

X
- Definition Costs and Expenses, Related Party Attributable to Controlling Interest + References No definition available. + Details
Name: | dlb_CostsAndExpensesRelatedPartyAttributableToControllingInterest
Namespace Prefix: | dlb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Related Party Transactions, Rent Expense [Abstract] + References No definition available. + Details
Name: | dlb_RelatedPartyTransactionsRentExpenseAbstract
Namespace Prefix: | dlb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration