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COMPUTATION OF EARNINGS PER COMMON SHARE (Tables)
 9 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings per Common Share
The following table sets forth the computation of basic and diluted earnings per common share for the three and nine months ended December 31, 2013 and 2012:
 
 
Three Months Ended
 
Nine Months Ended
 
 
December 31,
 
December 31,
(in thousands, except per share data)
 
2013

2012
 
2013
 
2012
Numerator:
 
 
 
 
 
 
 
 
Net income
 
$
34,383

 
$
28,206

 
$
84,474

 
$
77,693

 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
 
Weighted average common shares-basic
 
42,441

 
41,745

 
42,647

 
41,629

Dilutive effect of employee equity incentive plans
 
787

 
873

 
907

 
950

Weighted average common shares-diluted
 
43,228

 
42,618

 
43,554

 
42,579

 
 
 
 
 
 
 
 
 
Basic earnings per common share
 
$
0.81

 
$
0.68

 
$
1.98

 
$
1.87

Diluted earnings per common share
 
$
0.80

 
$
0.66

 
$
1.94

 
$
1.82

 
 
 
 
 
 
 
 
 
Potentially dilutive securities excluded from diluted earnings per common share because their effect is anti-dilutive
 
268

 
1,210

 
173

 
1,125