Net Income Per Share (Tables)

6 Months Ended

Sep. 30, 2011

Net Income Per Share [Abstract]

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

	Three Months  Ended September 30,				Six Months Ended September 30,
	2011		2010		2011		2010
Basic:
Net income	$	7,051	$	8,248	$	9,450	$	15,393
Weighted average common shares outstanding		42,258		41,922		42,433		41,867
Basic net income per share	$	0.17	$	0.20	$	0.22	$	0.37
Diluted:
Net income	$	7,051	$	8,248	$	9,450	$	15,393
Weighted average common shares outstanding		42,258		41,922		42,433		41,867
Weighted average stock options		128		315		163		324
Weighted average restricted stock units		334		541		465		435
Diluted weighted average shares		42,720		42,778		43,061		42,626
Diluted net income per share	$	0.17	$	0.19	$	0.22	$	0.36

Antidilutive Securities Excluded From Computation Of Diluted EPS

	Three Months Ended September 30,				Six Months Ended September 30,
	2011		2010		2011		2010
Stock options		0		29		0		32
Restricted stock units		175		38		86		51
Total		175		67		86		83