v3.24.3
Per Share Data (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Sep. 27, 2024
Sep. 29, 2023
Sep. 30, 2022
Schedule Of Earnings Per Share Basic And Diluted [Line Items]      
Net income attributable to Dolby Laboratories, Inc. $ 261,825 $ 200,656 $ 184,087
Weighted Average Number of Shares Outstanding, Basic 95,544 95,771 99,990
Potential common shares from options to purchase Class A and Class B common stock 586 763 958
Potential common shares from restricted stock units 1,158 1,139 912
Incremental Common Shares Attributable To Employee Stock Purchase Plan 37 60 123
Weighted Average Number of Shares Outstanding, Diluted 97,325 97,733 101,983
Basic (usd per share) $ 2.74 $ 2.10 $ 1.84
Net income per share attributable to Dolby Laboratories, Inc. - Diluted $ 2.69 $ 2.05 $ 1.81
Employee Stock [Member]      
Schedule Of Earnings Per Share Basic And Diluted [Line Items]      
Anti-dilutive securities, excluded from calculations 3 2 0
Employee Stock Option [Member]      
Schedule Of Earnings Per Share Basic And Diluted [Line Items]      
Anti-dilutive securities, excluded from calculations 1,152 930 587
Restricted Stock Units [Member]      
Schedule Of Earnings Per Share Basic And Diluted [Line Items]      
Anti-dilutive securities, excluded from calculations 10 7 1,158