Earnings Per Share

3 Months Ended

Dec. 28, 2012

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

We compute basic earnings per share by dividing net income attributable to Dolby Laboratories, Inc. by the weighted-average number of shares of Class A and Class B common stock outstanding during the period. For diluted earnings per share, we divide net income attributable to Dolby Laboratories, Inc. by the sum of the weighted-average number of shares of Class A and Class B common stock outstanding and the potential number of dilutive shares of Class A and Class B common stock outstanding during the period.

The following table sets forth the computation of basic and diluted earnings per share attributable to Dolby Laboratories, Inc.:

	Fiscal Quarter End
	December 28, 2012		December 30, 2011
Numerator:
Net income attributable to Dolby Laboratories, Inc.	$	51,349	$	73,159
Denominator:
Weighted-average shares outstanding—basic	102,361		108,884
Potential common shares from options to purchase Class A and Class B common stock	326		382
Potential common shares from restricted stock units	836		177
Weighted-average shares outstanding—diluted	103,523		109,443
Net income per share attributable to Dolby Laboratories, Inc.—basic	$	0.50	$	0.67
Net income per share attributable to Dolby Laboratories, Inc.—diluted	$	0.50	$	0.67
Antidilutive options excluded from calculation	5,178		6,698
Antidilutive restricted stock units excluded from calculation	1,327		1,305