Earnings per Share (Tables)

3 Months Ended

Aug. 31, 2014

Earnings per Share

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

	Three Months Ended
	August 31,
	2014			2013
Basic EPS:
Net income attributable to AAR and noncontrolling interest	$	14.5		$	18.0
Less income attributable to participating shares	(0.3		)	(0.4		)
Less income attributable to noncontrolling interest	(0.1		)	(0.1		)
Net income attributable to AAR available to common shareholders	$	14.1		$	17.5
Basic shares:
Weighted average common shares outstanding	38.8			38.6
Earnings per share — basic	$	0.36		$	0.45
Diluted EPS:
Net income attributable to AAR and noncontrolling interest	$	14.5		$	18.0
Less income attributable to participating shares	(0.3		)	(0.4		)
Less income attributable to noncontrolling interest	(0.1		)	(0.1		)
Net income attributable to AAR available to common shareholders	$	14.1		$	17.5
Diluted shares:
Weighted average common shares outstanding	38.8			38.6
Additional shares from the assumed exercise of stock options	0.4			0.4
Weighted average common shares outstanding — diluted	39.2			39.0
Earnings per share — diluted	$	0.36		$	0.45