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Earnings Per Share (Tables)
 9 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Computation Of Basic And Diluted Weighted Average Common Shares Outstanding
The table below presents the computation of basic and diluted weighted average common shares outstanding for the three and nine months ended December 31, 2012 and 2011:

 
Three Months Ended
 
Nine Months Ended
 
December 31,
 
December 31,
(In thousands)
2012
 
2011
 
2012
 
2011
Weighted average common shares outstanding:
 
 
 
 
 
Basic
77,417

 
75,940

 
77,123

 
76,632

Incremental shares from assumed exercises of stock options and options under the ESPP
1,527

 
1,765

 
1,760

 
1,708

Diluted shares outstanding
78,944

 
77,705

 
78,883

 
78,340