Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2013

Schedule of Earnings Per Share Basic And Diluted

	March 31,
	2013		2012		2011
Basic Net Income (Loss) Per Share
Net income (loss)	$	15,014	$	1,495	$	(11,755	)
Weighted average shares used in computing basic net income (loss) per share		39,113		38,374		37,167
Net income (loss) per share—basic	$	0.38	$	0.04	$	(0.32	)

	March 31,
	2013		2012		2011
Diluted Net Income (Loss) Per Share
Net income (loss)	$	15,014	$	1,495	$	(11,755	)
Weighted average shares used in computing basic net income (loss) per share		39,113		38,374		37,167
Effect of dilutive securities		1,939		1,798		—
Weighted average shares used in computing diluted net income (loss) per share		41,052		40,172		37,167
Net income (loss) per share—diluted	$	0.37	$	0.04	$	(0.32	)