v3.26.1
Document and Entity Information
Apr. 30, 2026
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001308547
Document Type 8-K
Document Period End Date Apr. 30, 2026
Entity Registrant Name DOLBY LABORATORIES, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-32431
Entity Tax Identification Number 90-0199783
Entity Address, Address Line One 1275 Market Street
Entity Address, City or Town San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94103-1410
City Area Code (415)
Local Phone Number 558-0200
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Class A common stock, $0.001 par value
Trading Symbol DLB
Security Exchange Name NYSE
Entity Emerging Growth Company false