Net Income Per Share

3 Months Ended

Sep. 30, 2011

Earnings Per Share, Basic and Diluted [Abstract]

The following table presents the calculation of basic and diluted net income per share attributable to common shareholders:



	Three months ended September 30,
	2011		2010
	(in thousands, except per share data)
Numerator:
Net income - basic and diluted	$	2,139	$	8,800

Denominator:
Basic:
Weighted average shares of common share used in computing basic net income per share	24,472		22,115
Diluted:
Add weighted average effect of dilutive securities:
Share options, RSU and ESPP	1,023		1,547
Weighted average shares of common share used in computing diluted net income per share	25,495		23,662
Net income per share:
Basic	$	0.09	$	0.40
Diluted	$	0.08	$	0.37

The following potential dilutive securities are not included in the above calculation because their effect was anti-dilutive for the periods indicated:



	Three months ended September 30,
	2011	2010
	(in thousands)
Share options to purchase common shares	940	1,786
ESPP to purchase common shares	401	259
Total potential dilutive securities	1,341	2,045