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COMPUTATION OF EARNINGS PER COMMON SHARE
 12 Months Ended
Mar. 31, 2013
Earnings Per Share, Basic and Diluted [Abstract]  
Computation of Earnings Per Common Share
COMPUTATION OF EARNINGS PER COMMON SHARE

The Company has a share-based compensation plan under which employees may be granted share-based awards, including shares of restricted stock on which non-forfeitable dividends are paid on unvested shares. As such, shares of restricted stock are considered participating securities under the two-class method of calculating earnings per share as described in the Earnings per Share Topic of the FASB ASC. The two-class method of calculating earnings per share did not have a material impact on the Company's earnings per share calculation as of March 31, 2013, 2012, and 2011.

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

(in thousands, except earnings per share data)
 
Fiscal Year Ended March 31,
 
 
2013
 
2012
 
2011
Numerator:
 
 
 
 
 
 
Net income
 
$
106,402

 
$
109,036

 
$
109,243

 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
Weighted average common shares-basic
 
41,748

 
44,023

 
47,713

Dilutive effect of employee equity incentive plans
 
990

 
1,242

 
1,631

Weighted average shares-diluted
 
42,738

 
45,265

 
49,344

 
 
 
 
 
 
 
Basic earnings per common share
 
$
2.55

 
$
2.48

 
$
2.29

Diluted earnings per common share
 
$
2.49

 
$
2.41

 
$
2.21

 
 
 
 
 
 
 
Potentially dilutive securities excluded from earnings per diluted share because their effect is anti-dilutive
 
1,038

 
1,199

 
1,606