v2.4.0.6
Document And Entity Information
9 Months Ended
Jun. 28, 2013
Jul. 19, 2013
Class A Common Stock [Member]
Jul. 19, 2013
Common Class B [Member]
Entity Registrant Name Dolby Laboratories, Inc.    
Entity Central Index Key 0001308547    
Current Fiscal Year End Date --09-27    
Entity Filer Category Large Accelerated Filer    
Document Type 10-Q    
Document Period End Date Jun. 28, 2013    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus Q3    
Amendment Flag false    
Entity Common Stock, Shares Outstanding    46,772,289 54,997,311