Basic and Diluted Earnings Per Share (Tables)

9 Months Ended

Jan. 31, 2013

Basic And Diluted Earnings Per Share

The following table summarizes basic and diluted earnings per share calculations:

	Three Months  Ended January 31,				Nine Months Ended January  31,
	2013		2012		2013		2012
	(in thousands, except per share data)
Net earnings attributable to common stockholders	$	9,482	$	11,717	$	21,096	$	42,275
Weighted-average common shares outstanding:
Basic weighted-average number of common shares outstanding		47,367		46,528		47,149		46,332
Effect of dilutive securities:
Restricted stock		491		567		426		567
Stock options		157		250		167		279
ESPP		—		—		—		15
Diluted weighted-average number of common shares outstanding		48,015		47,345		47,742		47,193
Net earnings per common share:
Basic earnings per share	$	0.20	$	0.25	$	0.45	$	0.91
Diluted earnings per share	$	0.20	$	0.25	$	0.44	$	0.90