Net Income Per Share (Tables)

12 Months Ended

Mar. 31, 2012

Net Income Per Share [Abstract]

Calculations Of Basic And Diluted Net Income Per Share And Potential Common Shares

	Year Ended March 31,
	2012		2011		2010
Basic:
Net income	$	32,428	$	37,265	$	27,917
Weighted average common shares outstanding		42,035		42,059		40,691
Basic net income per share	$	0.77	$	0.89	$	0.69
Diluted:
Net income	$	32,428	$	37,265	$	27,917
Weighted average common shares outstanding		42,035		42,059		40,691
Weighted average stock options		154		320		711
Weighted average restricted stock units		561		594		513
Diluted weighted average shares		42,750		42,973		41,915
Diluted net income per share	$	0.76	$	0.87	$	0.67

Antidilutive Securities Excluded From Computation Of Diluted EPS

	Year Ended March 31,
	2012		2011		2010
Stock options		0		14		200
Restricted stock units		82		6		6