Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 28, 2012	Sep. 28, 2012
ASSETS
Cash and cash equivalents	$ 316,193	$ 492,600
Short-term investments	118,681	302,693
Accounts receivable, net of allowance of $699 at December 28, 2012 and $956 at September 28, 2012	51,797	43,495
Inventories	21,023	16,700
Deferred taxes	82,661	80,966
Prepaid expenses and other current assets	28,203	33,832
Total current assets	618,558	970,286
Long-term investments	308,277	361,614
Property, plant and equipment, net	254,361	254,676
Intangible assets, net	52,913	56,526
Goodwill	281,763	281,375
Deferred taxes	24,362	22,634
Other non-current assets	11,716	13,687
Total assets	1,551,950	1,960,798
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	9,900	14,831
Accrued liabilities	99,019	116,092
Income taxes payable	12,890	2,424
Deferred revenue	22,656	23,493
Total current liabilities	144,465	156,840
Long-term deferred revenue	18,893	18,192
Deferred taxes	2,714	2,696
Other non-current liabilities	40,078	39,837
Total liabilities	206,150	217,565
Stockholders' equity:
Additional paid-in capital	0	0
Retained earnings	1,316,461	1,709,479
Accumulated other comprehensive income	11,214	10,687
Total stockholders' equity-Dolby Laboratories, Inc.	1,327,777	1,720,269
Controlling interest	18,023	22,964
Total stockholders' equity	1,345,800	1,743,233
Total liabilities and stockholders' equity	1,551,950	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