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COMPUTATION OF EARNINGS PER COMMON SHARE
 9 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
COMPUTATION OF EARNINGS PER COMMON SHARE
COMPUTATION OF 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, 2012 and 2011:

 
 
Three Months Ended
 
Nine Months Ended
 
 
December 31,
 
December 31,
(in thousands, except per share data)
 
2012
 
2011
 
2012
 
2011
Numerator:
 
 
 
 
 
 
 
 
Net income
 
$
28,206

 
$
30,898

 
$
77,693

 
$
85,150

 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 

 
 
 
 
Weighted average common shares-basic
 
41,745

 
42,541

 
41,629

 
44,623

Dilutive effect of employee equity incentive plans
 
873

 
1,099

 
950

 
1,234

Weighted average common shares-diluted
 
42,618

 
43,640

 
42,579

 
45,857

 
 
 
 
 
 
 
 
 
Basic earnings per common share
 
$
0.68

 
$
0.73

 
$
1.87

 
$
1.91

 
 
 
 
 
 
 
 
 
Diluted earnings per common share
 
$
0.66

 
$
0.71

 
$
1.82

 
$
1.86

 
 
 
 
 
 
 
 
 
Potentially dilutive securities excluded from diluted earnings per common share because their effect is anti-dilutive
 
1,210

 
1,092

 
1,125

 
1,458