Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 29, 2013	Sep. 28, 2012
ASSETS
Cash and cash equivalents	$ 328,508	$ 492,600
Short-term investments	124,415	302,693
Accounts receivable, net of allowance of $1,098 at March 29, 2013 and $956 at September 28, 2012	91,201	43,495
Inventories	19,487	16,700
Deferred taxes	84,038	80,966
Prepaid expenses and other current assets	29,432	33,832
Total current assets	677,081	970,286
Long-term investments	327,946	361,614
Property, plant and equipment, net	249,017	254,676
Intangible assets, net	48,489	56,526
Goodwill	280,979	281,375
Deferred taxes	30,988	22,634
Other non-current assets	12,005	13,687
Total assets	1,626,505	1,960,798
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	6,673	14,831
Accrued liabilities	119,638	116,092
Income taxes payable	5,516	2,424
Deferred revenue	20,547	23,493
Total current liabilities	152,374	156,840
Long-term deferred revenue	19,167	18,192
Deferred taxes	2,691	2,696
Other non-current liabilities	43,740	39,837
Total liabilities	217,972	217,565
Stockholders' equity:
Additional paid-in capital	3,425	0
Retained earnings	1,378,371	1,709,479
Accumulated other comprehensive income	8,772	10,687
Total stockholders' equity-Dolby Laboratories, Inc.	1,390,670	1,720,269
Controlling interest	17,863	22,964
Total stockholders' equity	1,408,533	1,743,233
Total liabilities and stockholders' equity	1,626,505	1,960,798
Class A Common Stock [Member]
Stockholders' equity:
Common stock	47	46
Class B Common Stock [Member]
Stockholders' equity:
Common stock	$ 55	$ 57