v2.3.0.15

Related Party Transactions (Details) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2011 | Sep. 24, 2010 | Sep. 25, 2009
Related party rent expense included in general and administrative expenses | $ 1,372,000 | $ 1,372,000 | $ 1,272,000
Distributed to principal stockholder | $ 300,000 | $ 300,000 | $ 300,000
Dolby Properties, LLC [Member] |  |  |
Ownership interest | 37.50% |  |
Dolby Properties Brisbane, LLC [Member] |  |  |
Ownership interest | 49.00% |  |
Dolby Properties Burbank, LLC [Member] |  |  |
Ownership interest | 49.00% |  |
Dolby Properties United Kingdom, LLC [Member] |  |  |
Ownership interest | 49.00% |  |
Dolby Properties, LP [Member] |  |  |
Ownership interest | 10.00% |  |

X
- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -SubTopic 10 -Topic 225 -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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Balance Type: | debit
Period Type: | duration

X
- Definition The amount of cash distributions paid to a common shareholder or unit-holder by a LLC or LP. + Details
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Namespace Prefix: | us-gaap
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + Details
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Namespace Prefix: | us-gaap
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant