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Basic And Diluted Earnings Per Share (Tables)

3 Months Ended

Jul. 31, 2011

Basic And Diluted Earnings Per Share

Summary Of Basic And Diluted Earnings Per Share

		Three Months Ended July 31,
		2011				2010
		(in thousands, except per share data)
Net earnings attributable to common stockholders:		$	15,411			$	10,904
Weighted-average common shares outstanding:
Basic weighted-average number of common shares outstanding			45,969				44,642
Effect of dilutive securities:
Restricted stock			844				780
Stock options			483				326
ESPP			3				7
Diluted weighted-average number of common shares outstanding			47,299				45,755
Net earnings per common share:
Basic earnings per share		$	0.34			$	0.24
Diluted earnings per share		$	0.33			$	0.24

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Tabular disclosure of an entity's basic and diluted earnings per share calculations.

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