Net Earnings Per Share (Tables)

9 Months Ended

Jan. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

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

	Three Months Ended				Nine Months Ended
	January 31,				January 31,
(in thousands, except per share amounts)	2016		2015		2016		2015
Numerator used in basic and diluted net earnings
per common share:
Net income	$	12,013	$	7,282	$	45,351	$	24,191
Denominator:
Denominator for basic net earnings per common
share - weighted-average shares	16,295		15,860		16,253		15,688
Effect of dilutive securities:
Stock options and restricted stock units	162		272		198		265
Denominator for diluted net earnings per common
share - weighted-average shares and assumed
conversions	16,457		16,131		16,450		15,953
Net earnings per share
Basic	$	0.74	$	0.46	$	2.79	$	1.54
Diluted	$	0.73	$	0.45	$	2.76	$	1.52