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COMPUTATION OF EARNINGS PER COMMON SHARE (Tables)
6 Months Ended
Sep. 30, 2017
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 six months ended September 30, 2016 and 2017:
 
 
Three Months Ended 
 September 30,
 
Six Months Ended 
 September 30,
(in thousands, except per share data)
 
2016(1)
 
2017
 
2016(1)
 
2017
Basic earnings per common share:
 
 
 
 
 
 
 
 
Numerator:
 
 
 
 
 
 
 
 
Net income
 
$
20,474

 
$
19,953

 
$
40,861

 
$
38,781

Income allocated to participating securities, basic
 
n/a

 
(597
)
 
n/a

 
(1,169
)
Net income attributable to common shareholders, basic
 
$
20,474

 
$
19,356

 
$
40,861

 
$
37,612

 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
 
Weighted average common shares, basic
 
32,281

 
32,570

 
32,269

 
32,538

 
 
 
 
 
 
 
 
 
Basic earnings per common share
 
$
0.63

 
$
0.59

 
$
1.27

 
$
1.16

 
 
 
 
 
 
 
 
 
Diluted earnings per common share:
 
 
 
 
 
 
 
 
Numerator:
 
 
 
 
 
 
 
 
Net income attributable to common shareholders, basic
 
$
20,474

 
$
19,356

 
$
40,861

 
$
37,612

Net effect of reallocating undistributed earnings of unvested shareholders
 
n/a

 
3

 
n/a

 
15

Net income attributable to common shareholders, diluted
 
$
20,474

 
$
19,359

 
$
40,861

 
$
37,627

 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
 
Weighted average common shares-basic
 
32,281

 
32,570

 
32,269

 
32,538

Dilutive effect of employee equity incentive plans
 
445

 
239

 
596

 
573

Weighted average common shares, diluted
 
32,726

 
32,809

 
32,865

 
33,111

 
 
 
 
 
 
 
 
 
Diluted earnings per common share
 
$
0.63

 
$
0.59

 
$
1.24

 
$
1.14

 
 
 
 
 
 
 
 
 
Potentially dilutive securities excluded from diluted earnings per common share because their effect is anti-dilutive
 
543

 
1,389

 
634

 
959

(1) As previously disclosed in forms 10-Q and 10-K for Fiscal Year 2017, the two-class method of calculating earnings per share did not have a material impact on the Company's earnings per share calculation for the three and six months ended September 30. 2016; as such, these periods have not been adjusted to reflect the two-class method of calculating earnings per share in the above table.