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COMPUTATION OF EARNINGS (LOSS) PER COMMON SHARE
 9 Months Ended
Dec. 31, 2011
Earnings Per Share [Abstract]  
COMPUTATION OF EARNINGS (LOSS) 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, 2011 and 2010:
 
 
Three Months Ended
 
Nine Months Ended
 
 
December 31,
 
December 31,
(in thousands, except per share data)
 
2011
 
2010
 
2011
 
2010
Numerator:
 
 
 
 
 
 
 
 
Net income
 
$
30,898

 
$
31,552

 
$
85,150

 
$
82,927

 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 

 
 
 
 

Weighted average common shares-basic
 
42,541

 
47,649

 
44,623

 
47,621

Dilutive effect of employee equity incentive plans
 
1,099

 
1,782

 
1,234

 
1,650

Weighted average common shares-diluted
 
43,640

 
49,431

 
45,857

 
49,271

 
 
 
 
 
 
 
 
 
Earnings per common share-basic
 
$
0.73

 
$
0.66

 
$
1.91

 
$
1.74

 
 
 
 
 
 
 
 
 
Earnings per common share-diluted
 
$
0.71

 
$
0.64

 
$
1.86

 
$
1.68

 
 
 
 
 
 
 
 
 
Potentially dilutive securities excluded from earnings per common share-diluted because their effect is anti-dilutive
 
1,092

 
1,321

 
1,458

 
1,607