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Earnings Per Share (Tables)
 6 Months Ended
Aug. 31, 2017
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 (in thousands, except per share data):
 
 
 
Three Months Ended August 31,
 
Six Months Ended August 31,
 
 
2017
 
2016
 
2017
 
2016
 
 
(Restated)
 
(Restated)
 
(Restated)
 
(Restated)
Numerator:
 
 
 
 
 
 
 
 
Net income for basic and diluted earnings per common share
 
$
9,786

 
$
10,159

 
$
21,848

 
$
32,348

Denominator:
 
 
 
 
 
 
 
 
Denominator for basic earnings per common share–weighted average shares
 
25,970

 
25,987

 
25,991

 
25,950

Effect of dilutive securities:
 
 
 
 
 
 
 
 
Employee and director stock awards
 
66

 
132

 
74

 
131

Denominator for diluted earnings per common share
 
26,036

 
26,119

 
26,065

 
26,081

Earnings per share basic and diluted:
 
 
 
 
 
 
 
 
Basic earnings per common share
 
$
0.38

 
$
0.39

 
$
0.84

 
$
1.25

Diluted earnings per common share
 
$
0.38

 
$
0.39

 
$
0.84

 
$
1.24