Earnings per Share (Tables)

3 Months Ended

Aug. 31, 2011

Earnings per Share

Computation of basic and diluted earnings per share

(In thousands except per share data)	Three Months Ended
		August 31, 2011		August 31, 2010
Basic Earnings per Share
Net income		$	68,638	$	61,277
Less: net income allocated to participating unvested securities		370		227
Net income available to common shareholders		$	68,268	$	61,050
Basic weighted average common shares outstanding		131,309		152,164
Basic earnings per share		$	0.52	$	0.40
Diluted Earnings per Share
Net income		$	68,638	$	61,277
Less: net income allocated to participating unvested securities		370		227
Net income available to common shareholders		$	68,268	$	61,050
Basic weighted average common shares outstanding		131,309		152,164
Effect of dilutive securities – employee stock options		29		—
Diluted weighted average common shares outstanding		131,338		152,164
Diluted earnings per share		$	0.52	$	0.40