v2.4.0.6
Document and Entity Information
6 Months Ended
Apr. 01, 2011
Apr. 21, 2011
Class A Common Stock
Apr. 21, 2011
Class B Common Stock
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Apr. 01, 2011    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus Q2    
Entity Registrant Name Dolby Laboratories, Inc.    
Entity Central Index Key 0001308547    
Current Fiscal Year End Date --09-30    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   53,041,905 58,765,654