Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2017

Accounting Policies [Abstract]

Schedule of Earnings Per Share Basic And Diluted

	Fiscal Years Ended March 31,
	2017		2016		2015
Basic Net Income Per Share
Net income	$	52,116	$	38,147	$	113,688
Weighted average shares used in computing basic net    income per share		43,238		42,204		40,632
Net income per share - basic	$	1.21	$	0.90	$	2.80

	Fiscal Years Ended March 31,
	2017		2016		2015
Diluted Net Income Per Share
Net income	$	52,116	$	38,147	$	113,688
Weighted average shares used in computing basic net    income per share		43,238		42,204		40,632
Effect of dilutive securities		1,420		2,691		2,226
Weighted average shares used in computing diluted    net income per share		44,658		44,895		42,858
Net income per share - diluted	$	1.17	$	0.85	$	2.65