Per Share Data

The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share amounts):



	Three Months Ended June 30,				Nine Months Ended June 30,
	2011		2010		2011		2010
Numerator for basic and diluted net income per share:
Net income attributable to ISSI	$	8,090	$	16,041	$	21,083	$	30,391
Denominator for basic net income per share:
Weighted average common shares outstanding	26,768		25,965		26,546		25,429
Dilutive stock options and awards	1,783		2,061		1,776		1,378
Denominator for diluted net income per share	28,551		28,026		28,322		26,807
Basic net income per share	$	0.30	$	0.62	$	0.79	$	1.20
Diluted net income per share	$	0.28	$	0.57	$	0.74	$	1.13

For the three months and nine months ended June 30, 2011, stock options and awards for 1,309,000 and 1,043,000 shares, respectively, were excluded from diluted earnings per share by the application of the treasury stock method. For the three months and nine months ended June 30, 2010, options to purchase 139,000 and 927,000 shares, respectively, were excluded from diluted earnings per share by the application of the treasury stock method.