Net Income Per Share

9 Months Ended

Dec. 31, 2011

Net Income Per Share [Abstract]

Net Income Per Share

15. Net Income Per Share

Calculations of the basic and diluted net income per share and potential common shares are as follows (in thousands, except per share data):

	Three Months Ended December 31,				Nine Months Ended December 31,
	2011		2010		2011		2010
Basic:
Net income	$	10,031	$	11,101	$	19,481	$	26,494
Weighted average common shares outstanding		41,523		42,105		42,126		41,946
Basic net income per share	$	0.24	$	0.26	$	0.46	$	0.63
Diluted:
Net income	$	10,031	$	11,101	$	19,481	$	26,494
Weighted average common shares outstanding		41,523		42,105		42,126		41,946
Weighted average stock options		141		310		157		333
Weighted average restricted stock units		639		758		532		557
Diluted weighted average shares		42,303		43,173		42,815		42,836
Diluted net income per share	$	0.24	$	0.26	$	0.46	$	0.62

The following table sets forth options and restricted stock units excluded from the calculation of diluted net income per share, since their inclusion would be antidilutive (in thousands).

	Three Months Ended December 31,				Nine Months Ended December 31,
	2011		2010		2011		2010
Stock options		0		0		0		20
Restricted stock units		96		0		98		9
Total		96		0		98		29