v2.3.0.15

Comprehensive Income (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2011
Comprehensive Income [Abstract] |
Components Of Comprehensive Income |
|  | Fiscal Year Ended |
|  | September 25, 2009 |  |  | September 24, 2010 |  |  | September 30, 2011 |
|  | (in thousands) |
Net income including controlling interest |  | $ | 244,346 |  |  | $ | 282,827 |  |  | $ | 310,582 |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustment, net of tax |  |  | (3,866 | ) |  |  | (1,290 | ) |  |  | 509 |
Unrealized gains (losses) on available-for-sale securities, net of tax |  |  | 3,167 |  |  |  | (622 | ) |  |  | (907 | )
Reversal of unrealized losses on auction rate certificates, net of tax |  |  | 3,727 |  |  |  | — |  |  |  | — |
Comprehensive income |  |  | 247,374 |  |  |  | 280,915 |  |  |  | 310,184 |
Less: comprehensive loss (income) attributable to controlling interest |  |  | (419 | ) |  |  | (792 | ) |  |  | 1,185 |
Comprehensive income attributable to Dolby Laboratories, Inc. |  | $ | 247,793 |  |  | $ | 281,707 |  |  | $ | 308,999 |

X
- Details
Name: | us-gaap_ComprehensiveIncomeNetOfTaxAbstract
Namespace Prefix: | us-gaap
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 220 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 45 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e526-108580 + Details
Name: | us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration