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Earnings Per Share
 12 Months Ended
Apr. 30, 2016
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share
 
The following table summarizes the computations of basic and diluted earnings per share:
 
FISCAL YEARS ENDED APRIL 30
(in thousands, except per share amounts)
2016

2015

2014
Numerator used in basic and diluted earnings per common share:
 

 

 
Net income
$
58,723


$
35,499


$
20,461

Denominator:
 

 

 
Denominator for basic earnings per common share -
 

 

 
weighted-average shares
16,256


15,764


15,299

Effect of dilutive securities:


 

 
Stock options and restricted stock units
186


273


354

Denominator for diluted earnings per common share -
 

 

 
weighted-average shares and assumed conversions
16,442


16,037


15,653

Net earnings per share
 

 

 
Basic
$
3.61


$
2.25


$
1.34

Diluted
$
3.57


$
2.21


$
1.31



There were no potentially dilutive securities for the fiscal year ended April 30, 2016, which were excluded from the calculation of net earnings per share. Potentially dilutive shares of 0.1 million issuable under the Company’s stock incentive plans have been excluded from the calculation of net earnings per share for each of the fiscal years ended April 30, 2015 and 2014, as the effect would be anti-dilutive.