Earnings per Share (Tables)

3 Months Ended

Aug. 31, 2013

Earnings per Share

Reconciliation of the computations of basic and diluted earnings per share information

	Three Months Ended
	August 31,
	2013			2012
Basic EPS:
Net income attributable to AAR and noncontrolling interest	$	18.0		$	18.3
Less income attributable to participating shares	(0.4		)	(0.6		)
Less income attributable to noncontrolling interest	(0.1		)	(0.1		)
Net income attributable to AAR available to common shareholders	$	17.5		$	17.6
Basic shares:
Weighted average common shares outstanding	38.6			38.5
Earnings per share — basic	$	0.45		$	0.46
Diluted EPS:
Net income attributable to AAR and noncontrolling interest	$	18.0		$	18.3
Less income attributable to participating shares	(0.4		)	(0.6		)
Less income attributable to noncontrolling interest	(0.1		)	(0.1		)
Add after-tax interest on convertible debt	—			1.2
Net income attributable to AAR available to common shareholders	$	17.5		$	18.8
Diluted shares:
Weighted average common shares outstanding	38.6			38.5
Additional shares from the assumed exercise of stock options	0.4			—
Additional shares from the assumed conversion of convertible debt	—			3.2
Weighted average common shares outstanding — diluted	39.0			41.7
Earnings per share — diluted	$	0.45		$	0.45