Earnings per Share (Tables)

6 Months Ended

Nov. 30, 2014

Earnings per Share

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

	Three Months Ended						Six Months Ended
	November 30,						November 30,
	2014			2013			2014			2013
Basic EPS:
Net income attributable to AAR and noncontrolling interest	$	15.2		$	20.0		$	29.7		$	38.0
Less income attributable to participating shares	(0.3		)	(0.4		)	(0.6		)	(0.8		)
Less income attributable to noncontrolling interest	—			—			(0.1		)	(0.1		)
Net income attributable to AAR available to common shareholders	$	14.9		$	19.6		$	29.0		$	37.1
Basic shares:
Weighted average common shares outstanding	38.7			38.6			38.7			38.6
Earnings per share — basic	$	0.38		$	0.51		$	0.75		$	0.96
Diluted EPS:
Net income attributable to AAR and noncontrolling interest	$	15.2		$	20.0		$	29.7		$	38.0
Less income attributable to participating shares	(0.3		)	(0.4		)	(0.6		)	(0.8		)
Less income attributable to noncontrolling interest	—			—			(0.1		)	(0.1		)
Net income attributable to AAR available to common shareholders	$	14.9		$	19.6		$	29.0		$	37.1
Diluted shares:
Weighted average common shares outstanding	38.7			38.6			38.7			38.6
Additional shares from the assumed exercise of stock options	0.4			0.6			0.5			0.5
Weighted average common shares outstanding — diluted	39.1			39.2			39.2			39.1
Earnings per share — diluted	$	0.38		$	0.50		$	0.74		$	0.95