Earnings Per Share (Tables)

9 Months Ended

Nov. 30, 2012

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted earnings per share:

	Three Months ended November 30,				Nine Months Ended November 30,
	2012		2011		2012		2011
	(Unaudited) (In thousands except share and per share data)
Numerator:
Net income for basic and diluted earnings per common share	$	15,364	$	10,021	$	47,223	$	29,092
Denominator:
Denominator for basic earnings per common share–weighted average shares	25,362,450		25,163,452		25,301,207		25,120,596
Effect of dilutive securities:
Employee and Director stock awards	240,412		210,832		236,050		219,064
Denominator for diluted earnings per common share	25,602,862		25,374,284		25,537,257		25,339,660
Earnings per share basic and diluted:
Basic earnings per common share	$	0.61	$	0.40	$	1.87	$	1.16
Diluted earnings per common share	$	0.60	$	0.39	$	1.85	$	1.15